The use of another person's information without properly citing and recognizing it within your own work is known as plagiarism.
What exactly does data mean?In technology, the term "data" refers to information that has been formatted in a way that makes it effective for transmission / processing. Data is information that has been binary-digitally changed for usage with modern computers and transmission technologies. The topic data may be expressed in both the plural and singular forms.
What functions do data serve?Information that has been transformed it into format that can be transmitted or processing is referred to as data in computing. Data is information that has been binary-digitally changed for usage with modern computers and transmission technologies.
To know more about data visit :
https://brainly.com/question/24710783
#SPJ4
why does the size of an atom decrease as you move across a period?
A reduced atomic radius is the result of the electron cloud being drawn closer to the nucleus due to a larger effective nuclear charge's stronger attraction to the electrons.
By atomic, what do you mean?Atomic is derived from the Greek word atomos, which means "uncut" or "indivisible," and means "indivisible particle" in Latin. the meanings of atomic. adjective. containing, involving, or pertaining to atoms.
Is atomic a sort of word?Atomic is an adjective, as was said above. Use of the adjective: Atomic hydrogen is released in a stream. We created a little nuclear bomb in the basement. The hairs of a bedbug are virtually atomic, to use an adjective.
To know more about Atom visit:
https://brainly.com/question/20948994
#SPJ4
you mix 2 moles of hbr with 3 moles of koh in enough water to make 1 l of solution. how much kbr do you expect to make?
The three moles of KBr we can expect when You mix 2 moles of HBr with 3 moles of KOH in enough water to make 1 L of solution.
Option C is correct.
How can you tell if a solution is straightforward?A solution's pH will be between 0 and 14. The term "neutral" refers to solutions with a pH of 7. The solution is acidic if the pH is below 7. The solution is basic when the pH level is higher than 7.
What is the buffer solution's pH?A basic buffer with a basic pH is created when a strong acid and a weak base and its salt are combined. Ammonium chloride and ammonium hydroxide are mixed in water to a pH of 9.25. They have the salt with a weak base and a weak base.
Does lactate act as a pH buffer?Lactate serves as a brief "neutralizer" or "buffer" to the cell's increased proton accumulation during prolonged high-intensity exercise. Lactate testing is an excellent "indirect" indicator of the metabolic state of the cell due to the correlation between elevated acidity and increased lactate synthesis.
Question incomplete:You mix 2 moles of HBr with 3 moles of KOH in enough water to make 1 L of solution. How much KBr do you expect to make?a. 2 molesb. 5 moles c. 3 moles. d. 1 moles
Learn more about moles:
brainly.com/question/30373566
#SPJ4
if you did not know the formula of the metal chloride product in the balanced reaction, would you be able to determine the molar mass of the metal?
Yes, you can determine the molar mass of the metal if you know the balanced reaction and the molar masses of the reactants.
By calculating the mole ratio of reactants, you can figure out the mole ratio of the products, and then calculate the molar mass of the metal by multiplying the mole ratio of the metal chloride product by its molar mass.
For example, if the balanced equation is 2Na + Cl2 → 2NaCl, then the moles of the metal in 2NaCl is 2 moles and the molar mass of the metal is 22.99 g/mol.
Learn more about the molar mass of the metal:
https://brainly.com/question/6112557
#SPJ4
which of the following aqueous solutions has the lowest freezing point and the highest boiling point? which of the following aqueous solutions has the lowest freezing point and the highest boiling point? 0.050 m nacl 0.100 m sucrose 0.050 m cacl2 0.05 m na3po4
Of the four aqueous solutions listed, the one with the lowest freezing point and the highest solution boiling point is 0.050 M NaCl. This is because NaCl is a strong electrolyte, meaning it dissociates completely into ions in solution, and thus has the greatest effect on lowering the freezing point and raising the boiling point compared to the other solutions, which are weaker electrolytes or nonelectrolytes.
About SolutionsSolution is a homogeneous mixture consisting of two or more substances. The substance which is present in a smaller amount in a solution is called the solute or solute, while the substance which is present in a greater amount than the other substances in the solution is called the solvent or solvent.
Learn More About Solutions at https://brainly.com/question/3184550
#SPJ4
true or false. orbitals are a delocalized cloud of electron density
It holds true. Orbitals are still a molecular orbitals cloud of charge density, which means that the protons are dispersed across a wide area as opposed to someone being centralized in a single place.
Where are the orbitals?Each subshell's electrons are organized into orbitals, which are areas of the atom's interior where a certain electron is still most likely to be. There are two electrons in each orbital, and their spins vary. An electron in a certain subshell can be located in an atom's orbital, an area of space.
What is the name for orbitals?Any atom typically contains a large number of orbitals for each n value and these orbitals are collectively referred to as electron shells.
To know more about Orbitals visit :
https://brainly.com/question/18914648
#SPJ4
why is the energy from a molecule of atp required by the sodium-potassium pump?
The sodium-potassium pump requires a molecule of ATP's energy.
What is ATP?The main source of energy in cells is ATP (adenosine triphosphate), a highly energetic molecule. It is utilised by enzymes to fuel a variety of cellular functions, such as muscle contraction, protein synthesis, and ion transport. It stores and transmits chemical energy within cells.
The sodium-potassium pump is an active transport process that transports ions against their concentration gradient, requiring energy input. As a result, it needs the energy from an ATP molecule. The pump creates a concentration gradient and preserves the resting membrane potential by exchanging three sodium ions (Na+) for two potassium ions (K+) in the cell membrane.
The ATP molecule is hydrolyzed to ADP as part of the pumping process, and the energy contained in the ATP molecule is utilised to power the movement of ions against their concentration gradient. Numerous cellular processes, such as nerve impulses and muscle contractions, depend on this crucial mechanism, and the pump needs ATP energy to operate effectively.
To know more about ATP, visit:
https://brainly.com/question/15543060
#SPJ4
all organic compounds contain ______, hydrogen, and usually oxygen.
Answer:
Carbon
Explanation:
Carbon is the BASIS of organic chemistry.
if 8.06 g of magnesium oxide decomposes to form 4.86 g of magnesium, what mass of oxygen gas is also released in the reaction?
3.20 grams mass of oxygen gas is released in the reaction if 8.06 g of magnesium oxide decomposes to form 4.86 g of magnesium.
A chemical reaction that results in the breakdown of one reactant into two or more products is known as a decomposition reaction.
Decomposition reaction = 2Mg0= O2 + 2Mg
In order to get two moles or 48.6 grammes, and one mole, or 32 grammes, of oxygen, you must break down two moles, or 80.6 grammes, of magnesium.
The result of 8.06 grammes of MgO is (8.06 32) / 80.6.
= 3.2 grammes of oxygen gas
To learn more about decomposition reaction please visit -
https://brainly.com/question/30136091
#SPJ4
how does a conjugate acid differ from its conjugate base? select all that apply. multiple select question. the conjugate acid has one more h than its conjugate base. a conjugate base may be positively charged, neutral, or negatively charged. the conjugate acid will be more negatively charged than its conjugate base. the conjugate acid is the substance that reacts with the original base in an acid-base reaction. the conjugate acid of a neutral base will have a charge of 1.
The conjugate acid has one more h than its conjugate base. A conjugate base may be positively charged, neutral, or negatively charged.
What is conjugate acid and conjugate base?Conjugate acids and bases are ideas included in the Bronsted-Lowry acid-base theory. An acid loses a hydrogen ion as it splits into its ions in water. The conjugate base of the acid is the species that results.
In a chemical process, the conjugate base has the capacity to either acquire or absorb a proton. The proton and hydrogen is given away in the process by the conjugate acid. The conjugate acid has one more h than its conjugate base. A conjugate base may be positively charged, neutral, or negatively charged.
Therefore, the conjugate acid has one more h than its conjugate base. A conjugate base may be positively charged, neutral, or negatively charged.
To learn more about conjugate acid and conjugate base, here:
https://brainly.com/question/12883745
#SPJ1
What adds nucleotides to exposed bases?
An enzyme known as DNA polymerase adds nucleotides to exposed bases during DNA replication.
What is DNA polymerase?An enzyme known as DNA polymerase, which adds nucleotides to the exposed bases of the DNA strand, catalyses the replication of DNA. The DNA double helix unwinds and the two strands split during DNA replication. This enables the original DNA strand's exposed bases to act as a template for the construction of a new complimentary strand.
By pairing the appropriate complementary nucleotide with the exposed base and then joining the complementary nucleotides together via the formation of a phosphodiester bond, DNA polymerase adds nucleotides to the exposed bases. A primase is required to add a short RNA primer to the template strand since DNA polymerase can only add nucleotides to the 3'-end of a developing strand.
To know more about DNA, visit:
https://brainly.com/question/28481425
#SPJ4
when the velocity of an enzymatic reaction is 30% vmax, what is the relationship between km and substrate concentration?
The correct answer to the first question is a) 0.4Km = [S].
When the velocity of an enzymatic reaction is 30% Vmax, the substrate concentration is 0.4 times the Michaelis constant (Km). This means that the substrate concentration is equal to 0.4 times the Km value.
The correct answer to the second question is e) a and b.
The glycogen phosphorylase enzyme can be activated/stimulated by both phosphorylation of selected serine residues in the phosphorylase b form of the enzyme, as well as the actions of positive allosteric modulators such as AMP
Find out more about enzymatic reaction
brainly.com/question/29102181
#SPJ4
question:-
When the velocity of an enzymatic reaction is 30% Vmax, what is the relationship between Km and substrate concentration? a) 0.4Km=[S] b) Km=0.4[ S] c) Km=4[ S] d) [S]=40Km Question 7 The glycogen phosphorylase enzyme is activated/stimulated by: a) phosphorylation of selected serine residues found in the phosphorylase b form of the enzyme. b) the actions of positive allosteric modulators such as AMP. c) proteolysis through the actions of trypsin followed by self digestion. d) the association of 4 phosphorylase b subunits to produce phosphorylase a, a functional oligomeric protein. e) a and b
in which of the following regions of a generic phase diagram it is possible for the liquid to be the most stable phase? check all that apply. in which of the following regions of a generic phase diagram it is possible for the liquid to be the most stable phase?check all that apply. temperatures greater than the critical temperature temperatures less than the temperature of the triple point pressures greater than the critical pressure pressures less than the pressure of the triple point
In a generic phase diagram, it is possible for the liquid to be the most stable phase at:
Temperatures less than the temperature of the triple point.
Pressures less than the pressure of the triple point.
The triple point on a phase diagram represents the conditions (temperature and pressure) at which all three phases (solid, liquid, and gas) can coexist in equilibrium. At temperatures below the temperature of the triple point and pressures below the pressure of the triple point, the liquid phase is the most stable phase and can exist on its own without undergoing a phase change.
On the other hand, temperatures greater than the critical temperature and pressures greater than the critical pressure are in the supercritical region, where the distinction between the liquid and gas phases is no longer meaningful, and the substance exists as a supercritical fluid. In this region, the liquid is not a stable phase and would evaporate or boil if present.
Learn more about pressure here:
https://brainly.com/question/29341536
#SPJ4
At conditions of Standard Temperature and Pressure, determine how many liters of hydrogen gas are produced by placing a zinc nail with a mass of 2.2g into an excess of hydrochloric acid. A) 0.0015L
B) 0.75L
C) 1.33L
D) 6.42L
B) 0.75L of hydrogen gas would be produced by placing a 2.2g zinc nail into an excess of hydrochloric acid at standard temperature and pressure (STP).
The general gas equation, often known as the ideal gas law, is the equation of state for an ideal gas. It has a number of limitations, but it provides a decent approximation of the behavior of numerous gases under various circumstances.
The common empirical form of the ideal gas law is as follows:
[tex]PV=nRT[/tex]
The reaction that occurs can be represented as:
[tex]Zn+2HCl[/tex] → [tex]ZnCl_2 + H_2[/tex]
As we see,
1 mole hydrogen is generated by 1 mole zinc.
It is stated that the reaction is occurred at Standard Temperature and Pressure.
So, We know,
At STP, 1 mole would contain 22.4 L
∵ 1 mole zinc will provide 22.4 L of hydrogen gas.
We shall now determine the quantity of zinc moles by the formula
(Provided mass) / (Molecular weight of Zinc = 65)
⇒ [tex]\frac{2.2}{65}[/tex]
⇒ 0.035 moles
As a result, the quantity of hydrogen gas ([tex]H_2[/tex]) generated by a 0.035 mole would be:
[tex]0.035*22.4 = 0.78[/tex] ≈ 0.75 L
Learn more about ideal gas law:
brainly.com/question/28257995
#SPJ4
What is the direct transfer of phosphate between substrates is called?
Substrate-level phosphorylation is the term used to describe the direct transfer for phosphate between substrates.
What exactly do you mean by phosphate?In chemistry, a phosphate is an anion, salts, functional group, an ester made from phosphoric acid. Most frequently, it refers to orthophosphate, which is a product of orthophosphoric acid (also known as phosphoric acid) H3PO4. One phosphorus atom is joined with four oxygen atoms to form a phosphate. A phosphate group is what happens when a phosphate molecule is joined to a carbon-containing molecule.
What is phosphate's primary use?In the development of bone and teeth, phosphate is helpful. Additionally, phosphorus is a component of a number of essential compounds, such as those that the cell uses for DNA, cell membranes, and energy (deoxyribonucleic acid).
To know more about phosphate visit :
https://brainly.com/question/2426918
#SPJ4
you respond to a highway incident in which a road trailer has turned onto its side and is heard to be leaking. you can see the placard on the trailer. the identification number on the placard is 1978. what is the chemical? select one: a. propane b. nitrogen c. gasoline d. oxygen
Based on the identification number 1978, the chemical being leaked from the trailer is likely to be gasoline. Option C is correct.
In the United States, the identification number on a placard is known as the UN Number or the Hazardous Materials Identification System (HMIS) number, which is used to identify hazardous materials being transported. The UN number 1978 will corresponds to gasoline, which is a flammable liquid.
It is very important to follow proper safety procedures when responding to a highway incident is involving hazardous materials, as gasoline can be highly flammable as well as pose a risk of fire or explosion.
To know more about gasoline here
https://brainly.com/question/13402652
#SPJ4
You titrate a 200 ml hbr solution with 0.5 m koh. if it takes 150 ml of koh to reach the equivalence point, what was the concentration of the original acid solution?
The reaction between HBr and KOH is a neutralization reaction, which occurs when an acid reacts with a base to form a salt and water.
The balanced chemical equation for the reaction between HBr and KOH is:
HBr + KOH -> KBr + H2O
This equation tells us that one mole of HBr reacts with one mole of KOH to form one mole of KBr and one mole of water.
Next, we need to find the number of moles of HBr that reacted with KOH. This can be calculated using the volume (150 ml) and concentration (0.5 M) of the KOH solution:
moles KOH = 0.5 M x 150 ml / 1000 ml/L = 0.075 moles
Since one mole of HBr reacts with one mole of KOH, the number of moles of HBr is equal to the number of moles of KOH:
moles HBr = 0.075 moles
Finally, we can use the number of moles of HBr and the volume of the HBr solution (200 ml) to calculate its concentration:
concentration HBr = moles HBr / (200 ml / 1000 ml/L) = 0.075 moles / 0.2 L = 0.375 M
To learn more about neutralization reaction please click on below link
https://brainly.com/question/30068395
#SPJ4
Rank the solvents according to their polarities, from the most polar to nonpolar.
water, ethanol, acetone, ethyl acetate, and hexane.
Water is the most good solvent, then ethanol, acetone, ethyl acetate, and hexane in decreasing order of polarity.
What does polarity imply in plain English?An object has polarity when it has 2 distinct, opposing poles that may alternatively attract or reject each other and. The phrase is frequently employed to describe the electron's movement in the fields of electric, magnetism, chemical, and electronic signaling.
What are some polarity instances?Polarities are frequently seen in company, such as centralized vs decentralization or development versus profit maximization. Considering the work-life balance, liberal vs conservative beliefs, etc. It is a hallmark of the system that there is a constant inherent bad blood between the two.
To know more about polarity visit:
https://brainly.com/question/30002497
#SPJ4
unfavorable temperatures and ph changes can cause a protein to change shape. this is called
A protein can alter shape in response to harsh temperatures and ph changes. It's known as denaturation.
What is the straightforward meaning of protein?(PROH-teen) a structure composed of amino acids. The body need proteins to operate correctly. They serve as the building blocks for several bodily components, including the skin, hair, and acids, cytokines, and antibodies.
What makes protein so crucial?Protein is present in every human cell. The core component of proteins is an amino acid chain. In order for your body to repair damaged cells and create new ones, you need proteins in your diet. Protein is essential for proper growth and development in children, adolescents, and expecting women.
To know more about Protein visit :
https://brainly.com/question/29776206
#SPJ4
The first to purpose that all matter is made of atomsA(110)
B.(118)
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:
there are 39 3939 students in ms. salazar's chemistry class. if ms. salazar divides the class into 9 99 lab groups of 4 44 or 5 55 students each, what would be the number of lab groups with 5 55 students? choose 1 answer: 1 11
The number of lab groups with 5 students would be 1.
To determine the number of lab groups with 5 students, we need to find the remainder when the number of students is divided by the number of students per group. In this case, 39 students ÷ 4 students per group = 9 groups with a remainder of 7.
Since we can't have fractional lab groups, we need to add another group to accommodate the remaining 7 students. This means that the number of lab groups with 5 students would be 7 ÷ 4 students per group = 1 additional group.
So, the number of lab groups with 5 students would be 1.
To know more about lab groups here
https://brainly.com/question/24647770
#SPJ4
--The given question is incorrect, the correct question is
"There are 39 students in Ms. Salazar's chemistry class. If Ms. Salazar divides the class into 9 lab groups of 4 or 5 students each, what would be the number of lab groups with 5 students?"--
a gas made up of homonuclear diatomic molecules escapes through a pinhole 0.268 times as fast as h2 gas. write the chemical formula of the gas
The square root of the gas's molecular mass is inversely proportional to the rate of effusion. the gas's chemical composition; He.
How can the bond order of a homonuclear diatomic molecule be decreased?Note: Either removing electrons from an AntiBonding Molecular Orbital or adding electrons to a Bonding Molecular Orbital can lower the bond order of a homonuclear diatomic molecule.
Which homonuclear diatomic elements are there?Hydrogen (H2), oxygen (O2), nitrogen (N2), and all halogens are homonuclear diatomic molecules. A common triatomic homonuclear molecule is ozone (O3). Arsenic (As4) and phosphorus (P4) are examples of homonuclear tetratomic molecules.
To know more about molecular mass visit :-
https://brainly.com/question/18446366
#SPJ4
How many grams are in 1.77 moles of Bw4Sv3
The molecular weight of Bw4Sv3 is unknown, as it is not a recognized chemical formula.
How to find the no of grams?To find the number of grams in a certain number of moles of a substance, you need to know its molecular weight in grams per mole.
The molecular weight of a substance is the sum of the atomic weights of all the atoms in its molecular formula. To convert the number of moles of a substance to its weight in grams, the molecular weight of the substance is multiplied by the number of moles.
For example, if the molecular weight of a substance is 100 g/mol and you have 1 mole of it, the weight would be 100 g.
However, in this case, Bw4Sv3 is not a recognized chemical formula, so its molecular weight cannot be determined.
Read more about molar mass here:
https://brainly.com/question/837939
#SPJ1
a certain liquid has a normal freezing point of and a freezing point depression constant . a solution is prepared by dissolving some potassium bromide () in of . this solution freezes at . calculate the mass of that was dissolved. round your answer to significant digits.
The mass of solution is 1.0× 10² g
ABOUT MASSMass is a measure of the increase in an object based on force. Everything that occupies space and has mass is called matter. Matter consists of a single substance and a mixture of substances.
Matter has mass and volume. Mass is a measure of the resistance of an object to a certain force or can be interpreted as the amount of matter in an object. Meanwhile, volume is the size of the room it occupies.
Mass is expressed in kilograms (kg) or grams (g), 1 kg = 1000 g. While the volume is expressed in units of cubic meters (m³) or cubic decimeters (dm³). The unit of volume is a unit in the international system. Volume is also often expressed in liters (L) or milliliters (ml).
Learn more about mass of solution at
https://brainly.com/question/29482678
#SPJ4
A tin box has a volume of 60.0 cubic centimeters and a mass of 465 grams. Calculate its density.
Answer:
hi!!
Explanation:
first we search for the volumic mass :
volumic mass = mass/volum=465/60.0 = 7.75 gper cubic centimeters
density = volumic mass of the tin box / volumic mass of water = 7.75/ 1 (g per cubic centimeters)= 7.75
how will the presence or absence of the nh4 ion be detected in fertilizer? add silver nitrate (agno3) and look for a white precipitate. add sodium hydroxide (naoh) and look for a color change with red litmus paper. add hydrochloric acid (hcl) and look for the presence of bubbles. add hydrochloric acid (hcl) and look for a color change with red litmus paper. add hydrochloric acid (hcl), followed by bacl2 and look for the formation of a white precipitate.
The presence or the absence of the NH₄⁺ ion be detected in fertilizer is the correct option is add sodium hydroxide (NaOH) and look for a color change with red litmus paper.
The NH₄⁺ ion that is the ammonium ion in a solution can be detected by adding the sodium hydroxide solution and then heat the solution. The ammonium ion will convert to the ammonia gas if the ammonium ions are present. The ammonia has the different odor.
It will also `change the color of the red litmus paper to the blue. Therefore in this way we can detected the absence and the presence of the ammonium ion.
To learn more about litmus paper here
https://brainly.com/question/13945946
#SPJ4
suppose a sample of vinegar contains 0.0685 g/ml of acetic acid, which has a molar mass of 60.052 g/mol. how many moles of acetic acid are present in a 15.6 ml solution of the vinegar?
There are 0.0027 moles of acetic acid are present in a 15.6 ml solution of vinegar.
By applying the following formula, one can determine how many moles of acetic acid there are:
(Mass of the solute) times / (molar mass of solute)
mass of solute = x (concentration) (volume of solution)
1.07 g moles (mass of solute) = 1.07 g / 60.052 g/mol (mass of solute = 0.0685 g/ml x 15.6 ml) = 0.0027 moles.
The Na, also known as the Avogadro constant, is a proportionality constant that links a sample's amount of material to the number of constituent particles that make up those particles. Acetic acid, with a molar mass of 60.052 g/mol, has a concentration of 0.0685 g/ml in a sample of vinegar. A mole is the unit of mass for a material that contains its component particles.
Learn more about vinegar here:
https://brainly.com/question/4239583
#SPJ4
enough of a monoprotic acid is dissolved in water to produce a 1.79 m solution. the ph of the resulting solution is 2.67 . calculate the ka for the acid.
In this case, the pH of the solution is 2.67, which indicates that it is a strong acid.
The pH of a solution is a measure of its hydrogen ion concentration and can be used to determine the strength of an acid.
The acid dissociation constant (Ka) is a measure of the strength of an acid and is defined as the product of the concentration of hydrogen ions (H+) and the concentration of the conjugate base (A-) divided by the concentration of the undissociated acid (HA).
To calculate the Ka for the monoprotic acid, we need to first determine the concentration of hydrogen ions in the solution. This can be done using the equation:
[H+] = 10^(-pH) = 10^(-2.67) = 4.33 × 10^(-3)
Next, we can use the concentration of hydrogen ions and the initial concentration of the acid to determine the concentration of the conjugate base (A-).
Finally, we can use these values to calculate the Ka for the acid:
Ka = [H+] * [A-] / [HA]
Ka = [H+] × [A-] / [HA] = 6.31 x 10^-3 × [A-] / (1.79 - [A-])
It is important to note that the concentration of the acid will decrease as it dissociates in solution, so it is necessary to use the initial concentration of the acid in this calculation.
Learn more about strong acid:
brainly.com/question/16749233
#SPJ4
on the periodic table of the elements, mercury (hg) has an atomic number of 80 and a mass number of 200.59. it has seven stable isotopes. the most abundant of these probably have
Mercury (Hg) has an atomic number of 80 and a mass number of 200.59. It has seven stable isotopes. The most abundant of these probably have more than 80 neutrons each.
Option A is correct.
What does the term "atomic number" mean?The number of a chemical element in the periodic system, in which the elements are arranged by the number of protons in the nucleus, which increases with increasing number. As a result, the atomic number is also the number of protons in the neutral atom, which is always the same as the number of electrons. The number of protons in an atom's nucleus is known as its atomic number. An element's identity is determined by its number of protons—for example, a carbon atom with six protons is an element, regardless of how many neutrons are present.
An atom's atomic number is the same as the number of protons in its nucleus or electrons in an electrically neutral atom. The number of protons in an atom. A sodium atom, for instance, has 11 electrons and 11 protons.
Incomplete question :
On the periodic table of the elements, mercury (Hg) has an atomic number of 80 and a mass number of 200.59. It has seven stable isotopes. The most abundant of these probably have ________.
A. more than 80 neutrons each.
B. more than 50 neutrons each
C. less than 80 neutrons each
Learn more about atomic number :
brainly.com/question/11353462
#SPJ1
choose one of the precipitates that formed na3po4. write the molecular equation, the complete ionic equation, and the net ionic equation.
The molecular equation, complete complete ionic equation, and the net ionic equation for the reaction of na3po4 is a double displacement reaction.
A precipitation reaction is very insoluble nickel phosphate. It is produced as a light green precipitate when aqueous solutions of the two salts are mixed. The other product is soluble when sodium chloride and that remains in that particular solution for that time.
(1) Molecular equation:
3NiCl2 (aq) + 2Na3PO4 (aq) = Ni3(PO4)2 (s) + 6NaCl (aq)
(2) Ionic equation:
3Ni(2+) (aq) + 6Cl(-) (aq) + 6Na(+) (aq) + 2PO4(3-) = Ni3(PO4)2 (s) + 6Na(+) (aq) + 6Cl(-) (aq)
(3) Net ionic equation:
3Ni(2+) (aq) + 2PO4(3-) (aq) = Ni3(PO4)2 (s)
The net ionic equation is actually obtained by cancellation of the common Na(+) and Cl(-) terms on both the sides which are reactant and product sides.
Learn more about double displacement reaction:
brainly.com/question/29307794
#SPJ4
what is the significance of the different forms of glucose (a or b) to a biologist or nutritionist (not to a pure chemist)?
The distinction between glucose forms (a and b) is important to biologists and nutritionists because it shows the various configurations that glucose may take in three-dimensional space.
The two forms, known as isomers, a and b, share the same chemical formula but have differing spatial arrangements of its atoms. Because of the numerous ways they are arranged, they have various physical and biological characteristics, including variations in solubility and reactivity, as well as interactions with other molecules like enzymes and cell membranes. The relevance of the various forms of glucose in biology and nutrition is connected to how cells utilise glucose as a source of energy. Polysaccharides like starch and cellulose may be created by linking together glucose molecules. When joined together, the various types of glucose may take on distinct characteristics that have an impact on how the body digests and uses these polysaccharides.
learn more about glucose here:
https://brainly.com/question/2396657
#SPJ4