The first to purpose that all matter is made of atomsA(110)
B.(118)

Answers

Answer 1

Answer:

Dalton's atomic theory was the first complete attempt to describe all matter in terms of atoms and their properties. Dalton based his theory on the law of conservation of mass and the law of constant composition. The first part of his theory states that all matter is made of atoms, which are indivisible.

Explanation:


Related Questions

The ions formed when MgI2 dissociates in water are

Answers

The ions formed when MgI2 dissociates in water are Mg2+ and I− ions. Due to their great water solubility, these salts are typical ionic halides.

What are MgI2's cation and anion?

Iodine anion I2+ and magnesium cation Mg2+ interact structurally. It exists in anhydrous form with a hexagonal crystal structure, hexahydrate form with a monoclinic structure, and octahydrate form with an orthorhombic structure.

What forms a dissociation of MgI2?

When magnesium iodide is dissolved in water, it totally dissociates to form magnesium cations and iodide anions in the aqueous solution.

Mg2+ contains how many ions?

The Mg2+ ion contains 10 electrons. A magnesium atom that is neutral would have 12 electrons to counteract the positive charge of the atom's 12 protons. An ion must possess more protons than electrons in order to be positively charged.

To know more about magnesium visit

https://brainly.com/question/30487159

#SPJ4

when solute is added to a pure solvent what happens to the freezing point?

Answers

The consequence of adding one solution to a solvents affects a system provides freezing point throughout the reverse directions that it affects its boiling point.

What exactly is the freezing point?

The final temperature is the specific temperature at which a liquids transforms into a solid. The melting temperature term refers to a changing argument, just like the annealing temperature term does.

What does water's freezing point mean?

Due to the salty in ocean, it freezes at a lower temperature than fresh water—approximately 28.4 degrees Fahrenheit. Nonetheless, considering that only the watery part of freshwater freeze, very little salt is present in the ice when it is formed.

To know more about freezing point visit:

https://brainly.com/question/28032179

#SPJ4

how many moles of magnesium hydroproaxide are requierd to produce 12 moles of water

Answers

We would need six moles of magnesium hydroxide in the reaction.

What is the equation of the reaction?

We must note that the reaction that we want to deal with here is a neutralization reaction and the reaction would involve the combination of the hydrochloric acid and the magnesium hydroxide molecule.

The equation of the reaction is something like this;

2HCl + Mg(OH)2 ----> MgCl2 + 2H2O

We have from the balanced reaction equation;

1 mole of magnesium hydroxide would yeild 2 moles of water

x moles of magnesium hydroxide would yeild 12 moles of water

x = 1 * 12/2

= 6 moles

Learn more about reaction:https://brainly.com/question/28984750

#SPJ1

what is the ph of a solution that consists of 0.20 m ammonia, nh3, and 0.20 m ammonium chloride, nh4cl?

Answers

The pH of a solution is determined by the relative concentrations of the two components, with ammonia having a pKa of 9.25 and ammonium chloride having 9.24.

What is pH?

A solution's acidity or alkalinity is determined by its pH, which ranges from 0 to 14, with 7 representing neutrality. Acidic solutions have a pH under 7, while basic or alkaline solutions have a pH beyond 7.

The pH of a solution containing 0.20 M each of ammonium chloride (NH4Cl) and ammonia (NH3) depends on the ratio of the two substances' concentrations. Ammonium chloride has a pKa of 9.24 while ammonia has a pKa of 9.25. The pH of the solution will be determined by the relative concentrations of the two components. The component that is present in the highest concentration will have a pH that is the closest to its pKa. For instance, the pH of the solution would be closest to 9.25, the pKa of ammonia, if the relative quantities of ammonium chloride and ammonia are equal.

To know more about pH, visit

brainly.com/question/15289741

#SPJ1

What particles are used to calculate the atomic mass *?

Answers

The number of protons and the number of neutrons determine an  element’s atomic mass: mass number = protons + neutrons.

Atoms of each element contain a characteristic number of protons. In fact, the number of protons determines what atom we are looking at (e.g., all atoms with six protons are carbon atoms); the number of protons in an atom is called the atomic number. In contrast, the number of neutrons for a given element can vary. Forms of the same atom that differ only in their number of neutrons are called isotopes. Together, the number of protons and the number of neutrons determine an element’s mass number: mass number = protons + neutrons. If you want to calculate how many neutrons an atom has, you can simply subtract the number of protons, or atomic number, from the mass number. A property closely related to an atom’s mass number is its atomic mass. The atomic mass of a single atom is simply its total mass and is typically expressed in atomic mass units or amu. By definition, an atom of carbon with six neutrons, carbon-12, has an atomic mass of 12 amu. Other atoms don’t generally have round-number atomic masses for reasons that are a little beyond the scope of this article. In general, though, an atom's atomic mass will be very close to its mass number, but will have some deviation in the decimal places. Since an element’s isotopes have different atomic masses, scientists may also determine the relative atomic mass—sometimes called the atomic weight—for an element. The relative atomic mass is an average of the atomic masses of all the different isotopes in a sample, with each isotope's contribution to the average determined by how big a fraction of the sample it makes up. The relative atomic masses given in periodic table entries—like the one for hydrogen, below—are calculated for all the naturally occurring isotopes of each element, weighted by the abundance of those isotopes on earth. Extraterrestrial objects, like asteroids or meteors, might have very different isotope abundances.

Learn more about atomic mass here:

https://brainly.com/question/8101390

#SPJ4

write a balanced chemical equation for epsom salt being hjeated to produce magnesium sulfate solid and water vapor

Answers

The balanced chemical equation for epsom salt being heated to produce magnesium sulfate solid and water vapor is:

[tex]MgSO4*7H2O (s) -- > MgSO4 (s) + 7H2O (g)[/tex]

Magnesium sulphate heptahydrate, often known as epsomite, is a mineral with the chemical formula MgSO47H2O. Anhydrous salt plus water vapor plus hydrated salt. The molar ratio of salt to water can be calculated since many hydrates contain water in a stoichiometric amount. Magnesium sulphate heptahydrate crystals lose seven water molecules when they are gently heated, turning them into anhydrous magnesium sulphate. A single replacement occurs in this reaction. This is a single-replacement reaction because the general formula is met. The crystals of magnesium sulphate heptahydrate are typically needle-like and white, crystalline, or dazzling. It is easily soluble in water, more easily soluble in boiling water, and almost insoluble in alcohol.

To learn more about epsom salt click here https://brainly.com/question/14874763

#SPJ4

atoms of the same element with varying number of neutrons.

Answers

The same element's atoms called isotopes have variable quantities of neutrons, but identical numbers of protons and electrons.

An atom is what?

The tiniest piece of something that cannot be destroyed chemically. The center of every atom is called the nucleus, and it is made up of protons and neutrons (particles with no charge). The nucleus is filled with electrons, which are negative particles.

Neutrons are what?

Every atom's nucleus contains protons and neutrons, which are subatomic particles. The lone exception is hydrogen, which has a single proton in its nucleus. Neutrons are somewhat heavier than positively charged protons and have an electric charge that is neither positive nor negative.

Is the number of electrons in an isotope always the same?

We are informed that because these isotopes are neutral atoms, they will all have an identical number of protons and electrons. The same number of protons exist in all isotopes of the same element, so it stands to reason that there will also be an equal number of electrons in each of these isotopes.

To know more about neutrons visit:

https://brainly.com/question/29771588

#SPJ4

Large tides, called spring tides, are experienced in the Earth's oceans when the Moon is in position

Responses

A A.A.

B B.B.

C A and C.A and C.

D B and D.

Answers

Large tides, called spring tides, are experienced in the Earth's oceans when the Moon is in position C A and C.

What are large tides?

Large tides, also known as spring tides, are the highest and lowest tides experienced in the Earth's oceans. They occur when the gravitational forces of the Moon and Sun are aligned, either on the same side of the Earth or on opposite sides. This alignment results in a combined gravitational pull on the Earth's oceans, causing the tides to rise to their maximum height and then fall to their minimum height.

Spring tides occur twice a month, during the full moon and new moon phases, and they have a greater tidal range than the more common, intermediate tides known as neap tides. The height of the tides is affected by a number of factors, including the size and shape of the ocean basin, the depth of the water, and the coastlines and ocean currents.

It is important to note that the term "spring tide" has nothing to do with the season of spring, but rather is derived from the Old English word "springan," which means to "leap up."

To know more about Large Tides, visit:

https://brainly.com/question/1133278

#SPJ1

g the half-life of a certain radioactive substance is 24 hours. there are 9 grams present initially. a. express the amount of substance remaining as a function of time t. b. when will there be 1 gram remaining?

Answers

a. The amount of substance remaining as a function of time t can be described by the exponential decay equation:

A(t) = A0 * 0.5^(t/T),

where A(t) is the amount of substance remaining at time t, A0 is the initial amount of substance (9 grams in this case), T is the half-life of the substance (24 hours), and 0.5^(t/T) represents the fraction of the initial amount remaining at time t.

So, the amount of substance remaining at time t can be expressed as:

A(t) = 9 * 0.5^(t/24)

b. To find when there will be 1 gram remaining, we can set A(t) = 1 and solve for t:

1 = 9 * 0.5^(t/24)

0.111 = 0.5^(t/24)

t/24 = log(0.111)/log(0.5)

t = 24 * log(0.111)/log(0.5)

Using a calculator, we can approximate t to be approximately 77.2 hours. So, after 77.2 hours, there will be 1 gram of the substance remaining.

To know more about Half-Life:

https://brainly.com/question/24710827

#SPJ4

which of the following characteristics can be written only in space c? (5 points) group of answer choices formed between positively and negatively charged ions occurs due to the sharing of electrons between two non-metal atoms occurs in substances that are mostly solids at normal temperature and pressure formed between an atom with very high electronegativity and an atom with very low electronegativity

Answers

The correct option is C. occurs in substances that are mostly solids at normal temperature and pressure.

A covalent bond is a chemical bond that entails the sharing of electrons to form electron pairs between atoms. these electron pairs are known as shared pairs or bonding pairs. The strong stability of attractive and repulsive forces between atoms, after they share electrons, is referred to as covalent bonding.

A covalent bond consists of the mutual sharing of 1 or greater pairs of electrons between atoms. those electrons are concurrently attracted through the two atomic nuclei. Covalent bond paperwork is when the distinction among the electronegativities of atoms is simply too small for an electron switch to occur to shape ions. Covalent bonds involve the sharing of electron pairs between atoms. Electron pairs shared between atoms of identical or very comparable electronegativity represent a nonpolar covalent bond (e.g., H–H or C–H), while electrons shared among atoms of unequal electronegativity constitute a polar covalent bond (e.g., H–O).

To learn more about Covalent Bond visit here:

brainly.com/question/19382448

#SPJ4

Complete Question:

Lonic Bond Covalent Bond A which of the following characteristics can be written only in space c? (5 points)

A). formed between positively and negatively charged ions.

B). occurs due to the sharing of electrons between two non-metal atoms.

C). occurs in substances that are mostly solids at normal temperature and pressure.

D). formed between an atom with very high electronegativity and an atom with very low electronegativity.

Answer:

The correct answer is B). occurs due to the sharing of electrons between two non-metal atoms.

Explanation:

OoOoO

"Covalent bonds occur when two nonmetal atoms share electrons to achieve a stable configuration of the noble gases."-FLVS 2023 lesson ;)

if 4.0 ml of 0.20 m nacl is diluted by addition of 1.0 ml water, calculate the m concentration of the new solution.

Answers

Answer:

0.8 m of nacl

Explanation:

Using the dilution formula m1 v1 = m2 v2 and substation we get .20(4)=m2(1) and after solving for m2 via algebra we get .08 m of nacl

why is it necessary to balance chemical equations

Answers

It is necessary to balance chemical equations so as to ensure that law of conservation of mass is obeyed.

What is a chemical equation?

Chemical equation is a symbolic representation of a chemical reaction which is written in the form of symbols and chemical formulas.The reactants are present on the left hand side while the products are present on the right hand side.

A plus sign is present between reactants and products if they are more than one in any case and an arrow is present pointing towards the product side which indicates the direction of the reaction .There are coefficients present next to the chemical symbols and formulas .

Learn more about chemical equation,here:

https://brainly.com/question/12047033

#SPJ1

Question: Consider The Temperatures, Masses, Average Velocities, And Average Kinetic Energy Of The Three Kinds Of Gas In The Mixture. What Do They Have In Common? What Are The Differences? Drag The Appropriate Items To Their Respective Bins. Reset Help Partial Pressure Temperature Average Kinetic Energy Molar Mass Electronegativity Atom Size Average Velocity Common

Answers

The common things in all gases are temperature, average kinetic energy, and average velocity. The different thing about gases is their masses.

What impact does temperature have on the typical kinetic energy of gas molecules?

A gas's temperature directly relates to the average kinetic energy of its particles. The particles must travel more quickly as the gas warms since their mass is constant.

What connection exists between temperature and typical kinetic energy?

The average kinetic energy of a substance's particles is directly inversely correlated with its temperature. As the temperature rises, the particles must move more quickly because their mass is constant.

What happens to a sample of matter's kinetic energy as it is transitioning from a solid to a liquid?

When a substance transitions from a solid to a liquid to a gas state, attractive forces do not become weaker; rather, the particles' increased kinetic energy, which denotes a higher rate of motion, enables them to defeat the forces.

To know more about gas mixture visit;

https://brainly.com/question/7966903

#SPJ4

calculate the amount of water in grams that must be added to 28.2 g of mgcl2 in the preparation of a 1.5% by mass solution.

Answers

In order to prepare a 1.5 percent by mass solution, 28.2 g of magnesium chloride requires 1851.8 g of water.

1.5 % by mass, means 1.5 g of solute in 100 g of solution.  

So, 98.5 g of water was added to prepare 1.5 % solution.      

28.2 g of Magnesium Chloride will use

28.2 × 98.5 ÷ 1.5 = 1851.8 g

Magnesium chloride:

Low levels of magnesium in the blood can be prevented and treated with the use of this medicine, a mineral supplement. Some brands are also used to treat symptoms of excess stomach acid, including indigestion, heartburn, and stomach upset.

Men, women, children, and pregnant women can all use magnesium chloride without any ill effects.

Learn more about Magnesium here:

https://brainly.com/question/13042446

#SPJ4

how many rings do pyrimidines have in their structure?

Answers

Answer:

One, which just has six members and two nitrogen atoms.

what are the partial pressures of nh3 and h2s at equilibrium, that is, what are the values of pnh3 and ph2s , respectively?

Answers

H2S has a pressure of 0.368 atm, while NH3 has a pressure of 0.325 atm.

According to the query, the equilibrium partial pressure of NH3 and H2S has the values PNH3 and PH2S. The air is separated in accordance with the numerical equilibrium of the partial pressures of ammonia and hydrogen sulphate. The sum will be as follows:

According to ammonium bisulfite, the NH4HS(s)⇄NH3(g)+H2S(g) reacts with NH3 to produce hydrogen sulphide and ammonia (g)

This reaction will occur at 25°C if K's p-value is 0.120. NH3 has a partial pressure of 0.325 atm, while H2S has a partial pressure of 0.368 atm.

To learn about the pressure of NH3 visit;

brainly.com/question/6960398.

#SPJ4

if your new destination list needs a water park adventure, we gathered the top contenders in the world for your consideration. nrh2o in texas brought us a slide that enjoys the badge of being

Answers

The world's largest uphill water ride. The water park, NRH2O in Texas, boasts a slide that has the distinction of being the world's largest uphill water ride.

This means that the slide has been designed in such a way that it provides a unique and thrilling experience to water park-goers by allowing them to travel uphill on their raft or inner tube. This type of ride is rare and provides a different type of experience compared to traditional water slides that follow a downhill slope. NRH2O in Texas is one of the top contenders for a water park adventure and is a must-visit destination for those who are looking for an exciting and unique water ride experience.

Learn more about Texas here: brainly.com/question/29991787

#SPJ4

Complete question:

If your new destination list needs a water park adventure, we gathered the top contenders in the world for your consideration. NRH2O in Texas brought us a slide that enjoys the badge of being _____________

in the arrhenius equation, the collision frequency and molecular orientation are incorporated in the value of
a. T
b. R
c. Eact
d. A

Answers

The amount of A within the Arrhenius equation takes into account that both collision frequency as well as molecule orientation.

Explaining the Arrhenius equation:

For this many chemical and biological reactions, the relationship between event speed and temperature is described by the Arrhenius equation. Such expression can be written as [9]: (6.10), while k is the rate of kinetic reaction, k0 is the equilibrium concentration, E is the angular frequency, R is the universal recurring theme, and the absolute temperature is T.

The Arrhenius equation: Where is it Used?

To predict how a shift in the temperature would affect the rate constant and, in turn, total rate of the reaction, utilize the Arrhenius equation. The rate of the reaction is determined using the Formula. It is an important component of chemical kinetics.

To know more about Arrhenius equation visit:

https://brainly.com/question/17924702

#SPJ4

Barium metal was quantitatively precipitated from a 1.52 g sample of BaCl_2_ 2H_2_o. The mass of the barium that was collected was 0.844g. Calculate the experimental mass percent of barium in the sample. And the theoretical mass percent of barium in BaCl_2_ 2H_2_O.

Answers

While the theoretically weight percent or barium in BaCl22H2O is 56.2%, the actual mass percentage for barium inside the sample is 55.5%.

Where does barium come from?

The use of barium sulfate aids in the diagnosis or discovery of issues with the oesophagus, stomach, and intestines. It is a contrast material for radiography. To make the various bodily components clearly visible, contrast chemicals are employed. Only a doctor or someone working closely with a doctor should administer this medication.

Actual mass % of Ba is calculated as follows:

0.844/1.52 x 100% = 55.5%

Ba's theoretical mass percent is  

= 137.33/244.26 times 100%, or

= 56.2%, of the molar mass of Ba in comparison to the molar mass of BaCl2.2H2O.

To know more about Barium visit :

https://brainly.com/question/20098623

#SPJ4

a physical chemist measures the width of a molecule. the width is . what is the width in meters? write your answer in scientific notation.

Answers

The width of the molecule in scientific notation can be expressed as equal to 66 × [tex]10^{-9}[/tex] meters.

A physical chemist measures the width of a molecule = 66 nanometers.

1 nanometer = 0.000000001 meter.

This can be expressed under scientific notation as:

1nm = [tex]\frac{1}{100000000}[/tex] meters = [tex]10^{-9}[/tex]

Therefore, 66nm can be expressed in scientific notation as 66 ×[tex]10^{-9}[/tex] meters.

Using scientific notation, one can describe a given quantity as a number with the requisite number of significant digits for a specific level of accuracy, multiplied by 10 to the appropriate power, for example, 1.56 × [tex]10^{7}[/tex]. It is a way to convey extremely large or extremely small numbers in a more straightforward manner.

To know more about scientific notation, refer:

https://brainly.com/question/27862246

#SPJ4

Complete question is:

A physical chemist measures the width of a molecule. the width is 66nm. what is the width in meters? write your answer in scientific notation.

a 3% solution of sulphuric acid was mixed with an 18% solution of sulphuric acid to produce an 8% solution. howe much 3% solution and how much !8% solution were used to produce 15 l of 8% solution

Answers

An 8% solution of sulfuric acid was created by combining a 3% solution and an 18% solution of the acid.

What occurs if 200 grammes of a 25% sulfuric acid solution are mixed with 300 grammes of a 40% sulfuric acid solution?

In order to do that, 300g of 40% sulfuric acid solution and 200g of 25% sulfuric acid solution were combined. The amount of acid in the mixture must also be determined. This means that 34% of the mixture is acid, on average.

.18x+.03(15-x)=.08*15

.18x+.45-.03x=1.2

.15x=1.2-.45

.15x=.75

x=.75/.15

x=5 L of 18% solution is used.

15-5=10 L of 3% solution is used.

To know more about sulfuric acid visit :-

https://brainly.com/question/15659334

#SPJ4

the molar mass and density of acetic acid are 60.1 g/mol and 1.049 g/ml, respectively. what is the volume in ml of 3.2 mmol of acetic acid?

Answers

The volume of acetic acid with the molar mass and density of acetic acid are 60.1 g/mol and 1.049 g/ml = 5.729 L

The volume occupied by one mole of a chemical element or chemical compound at standard temperature and pressure (STP) is known as the molar volume (Vm). By dividing the mass density (ρ) by the molar mass (M), it can be computed. One mole of any gas has a defined volume when it is at a particular temperature and pressure.

The equation:

Vm = M/ρ

Where,

Vm = molar volume (L)

M = molar mass (g/mol)

ρ = density (g/ml)

Hence,

The volume of acetic acid:

Vm = (60.1 g/mol) / (1.049 g/ml)

= 5.729 L

Learn more about volume here: https://brainly.com/question/30489350

#SPJ4

which of the following correctly reflect ways in which a chemical equilibrium can be disturbed? select all that apply. multiple select question. changing the volume of the reaction container for a reaction involving gases changing the temperature of the system using a larger container for a reaction in aqueous solution changing the concentrations of reactants or products

Answers

Changing the volume of the reaction container for a reaction involving gases, changing the temperature of the system, and changing the concentrations of reactants or products can all disturb a chemical equilibrium.

Correct answer: letter B.

Additionally, using a larger container for a reaction in aqueous solution can also cause a shift in the equilibrium.

Chemical equilibrium is a state of balance reached between the forward and reverse reactions in a chemical system. In a chemical equilibrium, the rate of the forward and reverse reactions is equal, and the concentrations of reactants and products remain constant. This is because the rate of the forward reaction is equal to the rate of the reverse reaction, and the system is in a state of dynamic balance.

Learn more about chemical equilibrium:

https://brainly.com/question/30459780

#SPJ4

which postulate(s) of dalton's atomic theory of matter is/are not true? i. atoms of a given element are identical ii. atoms are indestructible iii. atoms combine in simple ratios to form compounds

Answers

Atoms of an unmarried element can have special loads' which isn't always found in postulates of Dalton's atomic theory.

i). Atoms of a given element are identical in length, mass, and other homes. Atoms of various factors range in size, mass, and other houses.

ii). Atoms are indivisible and indestructible. All atoms of a given detail are the same in mass and home.

iii). Atoms combine inside the ratio of small complete numbers to form compounds. The relative variety and types of atoms are steady in a given compound.

Dalton’s atomic idea was a systematic principle on the nature of count numbers put forward by the English physicist and chemist John Dalton in the year 1808. It said that everyone is counted changed into made of small, indivisible debris known as ‘atoms’.

All materials, in step with Dalton’s atomic idea, are made of atoms, which can be indivisible and indestructible constructing devices. even as a detail’s atoms were all equal in size and mass, numerous factors possessed atoms of various sizes and masses. Atoms of different factors can combine with every other in fixed complete-number ratios that allow you to form compounds. All atoms of a selected element are equal in mass, size, and different houses. but, atoms of various elements showcase extraordinary homes and vary in mass and length.

To learn more about Dalton's atomic theory visit here

brainly.com/question/11855975

#SPJ4

alkenes are versatile synthetic precursors, because the pi bond of an alkene can generally function as either a or a :

Answers

Alkenes are versatile synthetic precursors, because the pi bond of an alkene can generally function as either a strong base or a weak acid

Alkenes are hydrocarbons that have a carbon-carbon double bond.Olefin is commonly equated with alkene, which is any hydrocarbon having one or more double bonds.Internal and terminal monoalkenes are the two primary subcategories. Terminal alkenes, sometimes referred to as -olefins, are preferable[Reference required]However, the International Union of Pure and Applied Chemistry (IUPAC) suggests using the name "olefin" for the general class - cyclic or acyclic, with one or more double bonds - instead of "alkene" for acyclic hydrocarbons with just one double bond, alkadiene, alkatriene, etc., or polyene for acyclic hydrocarbons with two or more double bonds, cycloalkene, cycloalka.

learn more about alkene Refer:brainly.com/question/13910028

#SPJ4

complete question:

Alkenes are versatile synthetic precursors, because the pi bond of an alkene can generally function as either a ____ or a ____:

a.Lewis acid; Lewis base

b.weak base; strong acid

c.strong base; weak acid

d.weak base; weak neucleophile

nuclei above the belt of stability can lower their neutron-to-proton ration by undergoing what process? choose all correct answers; you may make more than one choice.

Answers

Nuclei above the belt of stability can lower their neutron-to-proton ratio by beta emission.

What is difference between beta emission, gamma emission and alpha emission?

Alpha emission: A new element Y (daughter nucleus) with a mass number equal to (A-4) and an atomic number equal to is created when the nucleus of a radioactive element X with mass number A and atomic number Z emits a particle (Z-2). Atomic number Z thus drops by two units and mass number drops by four units as a result of the emission of an alpha particle.

Beta emission: The number of nucleons in the nucleus (protons and neutrons) remains constant during beta emission, however the number of neutrons is reduced by one and the number of protons is increased by one.

Gamma emission: When a gamma particle is emitted, the atomic number Z and mass number A of the nucleus remain unchanged.

To learn more about beta emission visit;

https://brainly.com/question/28564218

#SPJ4

Correct question:

Nuclei above the belt of stability can lower their neutron-to-proton ratio by_____

A) gamma emission.

B) positron emission.

C) beta emission.

D) electron capture.

E) Any of the above processes will lower the neutron-to-proton ratio.

what volume of 0.150 m naoh solution is required to react completely with 50.0 ml of 0.200 m hcl solution? [write the chemical equation first.]

Answers

0.150 M NaOH solution is mixed thoroughly with 50.0 ml of 0.200 M HCl solution. Then the volume of solution required to react with HCl is 100 ml.

The dilution process is a process carried out by mixing a solvent that is larger than the substance being dissolved. In principle, dilution only adds solvent, so that the number of moles of solute before dilution is the same as the number of moles of solute after dilution.

Formula:

                                     V₁ × M₁ = V₂ × M₂

Information:

M₁ = Molarity of the solution before dissolution/dilution

V₁ = Volume of solution before dissolution/dilution

M₂ = Molarity of the solution after dissolution/dilution

V₂ = Volume Molarity of the solution after dissolution/dilution

HCl(aq) + NaOH(aq) → NaCl(aq) + H₂O(aq)

In the given question

[NaOH] = 0.150 M

  V HCl = 50.0 ml

    [HCl] = 0.200 M

0.1 M NaOH = 0.1 N

Required NaOH solution:

V₁ × M₁ = V₂ × M₂

V₁ × 0.1 M = 50.0 mL × 0.2.00 M

V₁ × 0.1 M = 10.00 ml.M

            V₁ = 10.00 ml.M/0.1 M

            V₁ = 100 ml

So, the NaOH solution is 100 ml.

Learn more about the volume of the solution when reacted at https://brainly.com/question/29097593.

#SPJ4

Explain how magnetic potential energy can be transformed into kinetic energy.

Answers

Answer:

When moving magnets together, the amount of potential energy is increasing and being stored in the magnetic field but when you let go the magnetic force causes the potential energy to convert into kinetic energy and move.Explanation:

what is the enzyme-mediated hydrolysis process that breaks down large macronutrients into smaller molecules.

Answers

Chemical digestion is the process of breakdown of large macronutrients into smaller molecules by enzyme-mediated hydrolysis.

Chemical digestion is the process by which large macronutrients are broken down into smaller molecules via enzyme-mediated hydrolysis. The hydrolysis of the C-N bond digests proteins and polypeptides. About 20% of the proteins are digested by stomach pepsin, with the remainder digested by pancreatic and small intestine enzymes.
Enzymatic hydrolysis is a process in which hydrolase-type enzymes use a water molecule to cleave a substrate into reaction products. For optimal activity, the reaction conditions (temperature, pH, etc.) are specific to each enzyme.
Hydrolases are a type of enzyme that commonly acts as a biochemical catalyst by using water to break a chemical bond, resulting in the division of a larger molecule into smaller molecules.

Go through the given link below to know more about chemical digestion:-

https://brainly.com/question/21470803

#SPJ4

at s.t.p,a certain mass of gas occupies a volume of 800cm3 ,find the temperature at which the gas occupies 940cm3 and has a pressure of 675mmhy.​

Answers

The temperature of the gas is 285 K

What is the Boyle's law?

Boyle's law is a fundamental law of physics that describes the relationship between the pressure and volume of a gas at constant temperature. The law states that the pressure of a gas is inversely proportional to its volume, such that if the volume of a gas increases, its pressure decreases, and vice versa. Mathematically, this relationship is expressed as:

P * V = k (constant)

P1V1/T1 = P2V2/T1

P1V1T2 = P2V2T1

T2 = P2V2T1/P1V1

T2 =  675 * 940 * 273/760 * 800

T2 = 285 K

Learn more about gas laws:https://brainly.com/question/27009857

#SPJ1

Other Questions
Answer the question that follows based on the graph to the right a state implemented a much needed hike in gasoline prices, increasing it by $2. this was followed by a public outcry against the price rise. a year later, the state further increased gasoline prices by half a dollar. this time round, the public accepted it as essential even though there was a general murmur of dissatisfaction. which of the following best explains the reason for the public's acceptance? theory x skinner's law weber's law theory y equity theory under the headright system, group of answer choices a colonist received fifty acres of land for every person for whom he paid passage to virginia. the virginia economy successfully diversified. only the gentleman class could own land in virginia. a head tax was levied on every adult man and woman in the colonies. a tax was levied for each slave brought into the colony You haven't experienced any nervousness at all throughout the speech preparation process. Then on speech day, as you walk to the front of the room, you suddenly felt extremely nervous. This experience describes all of the following EXCEPT:a. the spotlight effect.b. extremely normal and typical.c. visualization.d. the illusion of transparency. How did Roosevelt's Policies effect America??Did he provide the American people with a square deal? Pls answer quick I have history next period! a client with a diagnosis of rhinosinusitis has been prescribed ciprofloxacin 250 mg sc b.i.d. when contacting the prescriber, the nurse should question the: a gecko is in a room that is 12 feet long, 10 feet wide and 8 feet tall. the gecko is currently on a side wall ($10^{\prime}$ by $8^{\prime}$), one foot from the ceiling and one foot from the back wall ($12^{\prime}$ by $8^{\prime}$). the gecko spots a fly on the opposite side wall, one foot from the floor and one foot from the front wall. what is the length of the shortest path the gecko can take to reach the fly assuming that it does not jump and can only walk across the ceiling and the walls? express your answer in simplest radical form. which of the following actions by the federal government would most likely be considered an implied power based on the precedent established by mcculloch v. maryland (1819)? Recommend two conflict resolution strategies you could implement to resist negative social pressure from your friends in a responsible way and indicate how each strategy could help you protect your rights as an individual A carbon skeleton is covalently bonded to both an amino acid and a carboxyl group. When placed under water, it... The purpose of the ncci medically unlikely edits is? Which is the fastest way to obtain information about your audience?A) SurveysB) InterviewsC) Contact an informantD) Prior Observation according to the text, igor stravinsky did not believe expression to be the primary purpose of music. a group of nursing students are discussing the actions of aspirin. the students are able to correctly explain which action as being responsible for reducing fever? true/false/ the peruvian development economist hernando de soto has argued that much of the developing world will fail to reap the benefits of capitalism until they relax the property rights offered by their legal systems. compare and contrast the ethical and political forces that affect the development and operation of the legal system and stare decisis. a nursing instructor is observing a nursing student caring for a newborn with a diagnosis of bladder exstrophy. the nursing student provides appropriate care to the infant by which action A bike tire just ran over a nail, and it is losing pressure at a rate of 10% every minute. The tire pressure is currently 1,060 kilopascals. What will it be in 4 minutes? note: this is a multi-part question. once an answer is submitted, you will be unable to return to this part. a minivan is tested for acceleration and braking. in the street-start acceleration test, the elapsed time is 8.4 s for a velocity increase from 10 km/h to 100 km/h. in the braking test, the distance traveled is 44 m during braking to a stop from 100 km/h. assume constant values of acceleration and deceleration. determine the deceleration during the braking test. the deceleration during the braking test is m/s2 T/F the inciting incident occurs when the protagonist faces their greatest obstacle.