Ionic bonds is the reason which result in the formation of the salt CaCl2.
An ionic bond is what?Ions having opposing charges electrostatically attract one another to form ionic bonds, sometimes referred to as electrovalent bonds, in chemical molecules. Whenever the valance (outermost) electron of one atom are permanently transferred to another atom, a bond of this kind is created.
How are ions bound together?The total transfer of certain electron through one atom to that other results in the formation of an ionic connection. A negatively charged ion known as a cation results from an atom loosing one or more electrons. When an atom receives one or more electrons, it produces an anion, or negative charges ion.
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which of the substances have a standard enthalpy of formation, δh∘f, equal to zero?
All elements have a standard enthalpy of production of zero because the formation of any element in its reference state such as oxygen gas or solid carbon in the form of graphite involves no change.
What are elements?The fundamental components of matter and the purest type of chemical substances are known as elements. They are categorised as chemicals that cannot be chemically broken down into simpler substances.
The enthalpy change that occurs when one mole of a substance is created from its constituent elements in their standard states is known as the standard enthalpy of formation, or hf. The most stable state of an element at a certain temperature and pressure is called the standard state.
The elements are found in their standard states and have a standard enthalpy of production of zero. This is because there is no energy change when an element is formed from its component atoms, and the enthalpy change is consequently equal to zero.
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a closed system allows for the exchange of ___ with the surroundings.
Energy, on the other hand, a closed system can only interchange energy, not matter, with its surroundings.
What can a closed system communicate with outside sources?Through the flow of heat and work, a closed system can exchange energy with its surroundings. In other words, energy can cross the system boundary in the forms of work and heat. According to kinetic theory, heat is the energy resulting from atoms and molecules moving randomly.
Can matter in a closed system be exchanged with its surroundings?In thermodynamics, a closed system can exchange energy with its surroundings (as heat or work), but not matter. A system that is open to the environment can interchange energy and matter, but a system that is insulated from it cannot.
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8.97 dm^3 of hydrogen gas is collected at 38.8 degrees celsius. Find the volume of the gas will occupy at -39.9 degrees celcius if the pressure remains constant
The volume of the gas will occupy at -39.9°C if the pressure remains constant is 6.71dm³.
How to calculate volume?The volume of a given mass of gas can be calculated using Charles's law equation as follows:
V₁/T₂ = V₂/T₂
Where;
V₁ and T₁ = initial volume and temperatureV₂ and T₂ = final volume and temperatureAccording to this question, 8.97dm³ of hydrogen gas is collected at 38.8°C. The volume can be calculated as follows:
8.97/311.8 = V/233.1
0.029 × 233.1 = V
V = 6.71dm³
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The volume of the hydrogen gas that will occupy -39.9 degrees Celsius if the pressure is kept constant is 6.71 dm³
How do I determine the volume occupied at -39.9 degrees C?Volume occupied by a gas at constant pressure can be obtained by using Charles' law equation as illustrated below:
Initial volume of hydrogen gas(V₁) = 8.97 dm³ Initial temperature (T₁) = 38.8 degree C = 38.8 + 273 = 311.8 KFinal temperature (T₂) = -39.9 degree C = -39.9 + 273 = 233.1 KFinal volume of hydrogen gas (V₂) =?V₁ / T₁ = V₂ / T₂
8.97 / 311.8 = V₂ / 233.1
Cross multiply
311.8 × V₂ = 8.97 × 233.1
311.8 × V₂ = 2090.907
Divide both side by 311.8
V₂ = 2090.907 / 311.8
V₂ = 6.71 dm³
Thus, we can conclude from the above calculation that the volume occupied by the gas is 6.71 dm³
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mmonia chemically reacts with oxygen gas to produce nitric oxide and water . what mass of water is produced by the reaction of of oxygen gas? round your answer to significant digits.
The chemical equation represents the reaction describes is;4NH3 + 5O2 = 4NO + 6H2O, 4 moles of NH3 = 4 (14 + 3*1) = 68g, Therefore, 68g of NH3 reacts with 160g of O2.But, we have only 4.5 g of oxygen.68g reacts with 160g,Xg reacts with 4.5, X = 68*4.5 / 160 = 1.9125g.
What type of reaction is an example of ammonia and oxygen?Ammonia's hydrogen is replaced by oxygen.This is a replacement reaction as a result.With the presence of oxygen, ammonia's nitrogen is being oxidized.This is another illustration of a redox process.
How can the mass generated in a reaction be found?For the chemical reaction, the chemical equation must be balanced. Create moles using the information provided.To calculate how much product is produced from each particular reactant, use stoichiometry.The limiting reagent is the one that yields the least amount of the final product.
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which enzyme of the citrate cycle catalyzes the oxidative decarboxylation reaction that produces co2, nadh, and succinyl-coa?
A malate dehydrogenase enzyme transforms malate back into oxaloacetate as the cycle's last step. A coenzyme is created, as is the case with all dehydrogenase-related processes.
What enzyme is responsible for the citric acid cycle process that results in NADH and CO2?
Explanation: Isocitrate dehydrogenase is an enzyme that catalyses the citric acid cycle's rate-limiting step. Isocitrate is converted to alpha-ketoglutarate, NADH, a proton, and a carbon dioxide molecule by the enzyme isocitrate dehydrogenase.
Which enzymes are responsible for the oxidative decarboxylation processes in the citric acid cycle?
Isocitrate can perform step 3, the first oxidative decarboxylation process in the citric acid cycle, because of the position of the hydrolysis on it. Another two-step procedure, step three is catalysed by an enzyme.
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a can of cola contains about 39 grams of sucrose, c12h22o11. how many moles of sucrose does this represent?
Sucrose is included in the package at an amount of 0.113 moles.
Describe sucrose.Sucrose is a naturally sweet simple carbohydrate. Fruits and plants contain it. The formula for it is C 12H 22O 11. The simple sugar is what is consumed.
Is sucrose a good sugar to use?Brief Summary According to an University of Southern california, Francisco study, sucrose, the more "natural type of sugar," may be just as harmful to your health as high fructose corn syrup.
39 g make up the sucrose's bulk.
The mole ratio of sucrose is 342.3 g/mol.
In order to determine the sugar moles, we
Sucrose moles equal 39g /342.3 = 0.113
The molecules of sucrose are therefore 0.113 mol.
Sucrose is included in the package at an amount of 0.113 moles.
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the lattice energy of kf is -821 kj/mol. when 1.427 g of kf is dissolved in water, 0.435 kj of heat is released. calculate the enthalpy of hydration of kf.
The enthalpy of hydration of KF will be 17.64 kJ/mol.
The enthalpy of hydration of a salt is the amount of heat released or absorbed when one mole of the salt dissolves in water to form hydrated ions. The enthalpy of hydration can be calculated as follows:
ΔH hydration = Q / n
where ΔH hydration is the enthalpy of hydration, Q is the heat released or absorbed, and n is the number of moles of salt.
In this case, the heat released is 0.435 kJ and the mass of KF is 1.427 g, so we can first calculate the number of moles of KF:
n = m / M
n = 1.427 g / (58.1 g/mol)
n = 0.0247 mol
Now we can calculate the enthalpy of hydration:
ΔH hydration = Q / n
ΔH hydration = 0.435 kJ / 0.0247 mol
ΔH hydration = 17.64 kJ/mol
So the enthalpy of hydration of KF is 17.64 kJ/mol.
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which is closest in size to one mole of gas at STP?A) A carB) An elephantC) A microwaveD) A marble
The closest size comparison for a mole of any gas to a marble is now at Standards Temperature and Pressure (STP). It is proper to choose D).
Describe a mole :The mole is a normal kind of skin growth (nevi). They are generally caused by blocks of powder cells and appear as small, dark brown spots (melanocytes). Most men with between ten to forty moles, which typically arise throughout adolescence and might change or vanish over time.
What do you call one mole?6.022 1023 units of a material make up one mole of that substance. The number 6.022 1023 is referred to as "Avogadro's constant" or "Avogadro's constant." To translate between mass and the quantity of particles, utilize the mole concept.
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When solute is added to a pure solvent what happens to the freezing point?
Answer:
The freezing point decreases as the boiling point increases.
Two rectangular tanks contain air that have a constant temperature and are connected by a single valve. one tank is holding moist air, while the other is holding dry air. once the valve is opened, what is most likely to happen?
When the valve between two rectangular tanks containing air with varying moisture levels is opened, the air in the tanks mixes and reaches thermodynamic equilibrium.
This means that the air will reach a point where the pressure, temperature, and moisture content in both tanks are equal, and no further moisture transfer will occur.
In this case, the air in the lower moisture content tank will absorb moisture from the air in the higher moisture content tank, until both tanks contain air with the same moisture content. This occurs because the air in the tank with the lower moisture content has a higher affinity for moisture and will thus attract moisture from the tank with the higher moisture content.
In general, the air in the dry air tank will become moister, while the air in the moist air tank will become drier until both tanks contain air with the same moisture content.
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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
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If a hydrogen emission line appears at 656.2 nm in the laboratory, what can we say about a cloud of hydrogen gas with this same emission line at 680.2 nm?
We can say that is receding away from us about a cloud of hydrogen gas with this same emission line at 680.2 nm.
Describe hydrogen.The element hydrogen is represented by the symbol 'H' and atomic number 1. Hydrogen is the lightest element. Hydrogen is typically a gas with the formula H 2 composed of diatomic molecules. It is exceedingly combustible, colorless, tasteless, odorless, and non-toxic.
Can hydrogen be converted into fuel?Additionally, hydrogen is a fuel source of internal combustion engines. However, they produce exhaust emissions and are less efficient than FCEVs. Learn more about fuel cells. The energy content of a gallon of fuel (6.2 pounds, 2.8 kg) is comparable to that of 2.2 lbs, or 1 kilogram, of hydrogen gas.
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A certain amount of glucose, C6H12O6 burned in oxygen, and produced 22 grams of carbon dioxide, CO2. How many grams of water was produced at the same time?
C6H12O6 (s) + 6O2(g) → 6CO2 (g) + 6H2O (g)
A.22 grams of H2O
B.11 grams of H2O
C.9 grams of H2O
D.4.5 grams of H2O
Approximately
60
g of
C
6
H
12
O
6
.
Explanation:
We have the balanced equation (without state symbols):
6
H
2
O
+
6
C
O
2
→
C
6
H
12
O
6
+
6
O
2
So, we would need six moles of carbon dioxide to fully produce one mole of glucose.
Here, we got
88
g
of carbon dioxide, and we need to convert it into moles.
Carbon dioxide has a molar mass of
44
g/mol
. So here, there exist
88
g
44
g
/mol
=
2
mol
Since there are two moles of
C
O
2
, we can produce
2
6
⋅
1
=
1
3
moles of glucose
(
C
6
H
12
O
6
)
.
We need to find the mass of the glucose produced, so we multiply the number of moles of glucose by its molar mass.
Glucose has a molar mass of
180.156
g/mol
. So here, the mass of glucose produced is
1
3
mol
⋅
180.156
g
mol
≈
60
g
to the nearest whole number.
So, approximately
60
grams of glucose will be produced
6. one ml of 1 m naoh was added to 9999 ml of water. what is the final naoh concentration? what is the ph??
The final concentration, C₂ of the aqueous NaOH solution is 0.001 M or 1.0 * 10⁻³
The pH change is 3.
What is the volume of the final concentration of the NaOH solution?The volume of the final concentration of the NaOH solution is determined as follows;
The initial volume = 1.0 mL
The final volume = 999 mL + 1 mL
The final volume = 1000 mL
The initial concentration of the NaOH solution = 1 M
The final concentration is calculated using the dilution formula as follows:
C₁V₁ = C₂V₂
where:
C₁ is the initial concentration
V₁ is the initial volume
C₂ is the final concentration
V₂ is the final volume
C₂ = 1 * 1/1000
C₂ = 0.001 M or 1.0 * 10⁻³
The pH change = -log(10⁻³)
The pH change = 3
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It will turn out that the fundamental ideas behind kinetic theory do not apply equally well to every kind of gas. We will learn why soon, but if you had to make an educated guess, which of these gases best follows kinetic theory?A) Benzene (C6H6)B) IodineC) HeliumD) Hemoglobin, a massive protein that shepherds iron around the bloodstream.
The gas that most closely adheres to the principles of kinetic theory is helium. This is due to the fact that helium is an atom with a low mass and a straightforward structure, making it an excellent instance of an ideal gas.
Explain helium gas.He is the symbol for the element helium, which is a colorless, colorless, and odorless gas with a number of protons. After hydrogen, helium is the second-most abundant in the universe, making up around 24% of its weight.
What purpose does helium gas serve?For welding metals like aluminium, helium is utilized as an inert gas environment. It is also employed in rocketry
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what is the poh of 2.95 m ba(oh)2 solution? is the solution neutral, acidic, or basic? the poh of the solution is: the solution is: g
The pOH of Ba(OH)₂ solution is -0.77 and the solution is highly basic.
pOH of a solution is defined as the hydroxide ion(OH⁻) concentration of that particular solution. It is the measure of alkalinity of a solution. pOH is the negative logarithm of OH⁻ ion concentration.
pOH = -log [OH⁻]
Ba(OH)₂ dissociates as-
Ba(OH)₂ → Ba²⁺ + 2OH⁻
concentration of [OH⁻] = 2.95 M
2[OH⁻] = 2.95 M × 2 = 5.90 M
pOH= -log[OH⁻]
pOH = -log [5.90]
pOH= - 0.77
we know that
pH + pOH = 14
pH = 14- pOH
pH = 14-(-0.77)
pH = 14+ 0.77
pH =14.77
This means that Ba(OH)₂ solution is highly basic.
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the force of attraction between a divalent cation and an divalent anion is 1.92 x 10-8 n. if the ionic radius of the cation is 0.058 nm, what is the anion radius?
The anion radius is 0.072 nm. the cation has a charge of +2, the anion must have a charge of -2
The force of attraction between a divalent cation and an anion is proportional to the product of their charges and inversely proportional to the distance between them. The force can be expressed as F = k * q1 * q2 / r, where k is the Coulomb constant (8.99 x[tex]10^-9[/tex] N [tex]m^2/C^2[/tex]), q1 and q2 are the charges of the cation and anion, respectively, and r is the distance between the centers of the ions.
Since the cation has a charge of +2, the anion must have a charge of -2. Rearranging the equation and plugging in the known values, we can solve for the anion radius: r = sqrt(k * q1 * q2 / F) = sqrt(8.99 x [tex]10^9[/tex] N [tex]m^2/C^2[/tex] * 2 * 2 / (1.92 x [tex]10^-8[/tex] N)) = 0.072 nm.
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What is the correct way to report the length of the rectangle in centimeters?
The correct way to report the length of a rectangle in centimeters is to use the unit symbol "cm" and state the numerical value of the length, for example "The length of the rectangle is 20 cm." or "The length is 20 cm."
When reporting the length of a rectangle in centimeters, it is important to use a clear and consistent unit of measurement. The standard unit of measurement for length in the International System of Units (SI) is the meter, but smaller lengths are often measured in centimeters. The correct way to report the length of a rectangle in centimeters is to include the unit symbol "cm" after the numerical value of the length. For example, you can say "The length of the rectangle is 20 cm." or "The length is 20 cm." This makes it clear to the reader what unit of measurement is being used, and allows for easy conversion to other units if needed. Consistently using a clear unit of measurement, such as "cm" for centimeters, is essential for accurate and precise communication in science and engineering.
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if a reaction vessel initially contains an concentration of 0.0500 m at 500 k, what are the equilibrium concentrations of and at 500 k?
If the reaction vessel initially contains the N₂O₄ concentration of 0.0550 m at 500 k , the equilibrium concentrations at 500 K of the N₂O₄ is 0.0115 M and NO₂ is 0.0769 M.
The equation is as :
N₂O₄ ⇄ 2NO₂
initial 0.0500 0
-2x + 2x
Eq. 0.0500 - x 2x
Kc = [NO₂]² / [ N₂O₄ ]
0.513 = (2x)² / 0.0500 - x
0.513 = 4x² / 0.0500 - x
x = 0.038
Therefore, the concentration of [ N₂O₄ ] = ( 0.0500 - 0.038 ) = 0.0115 M
The equilibrium concentration of [NO₂] = 2 (0.038) = 0.0769 M
This question is incomplete , the complete question is :
If a reaction vessel initially contains an N₂O₄ concentration of 0.0550 m at 500 k , what are the equilibrium concentrations of N₂O₄ and NO₂ at 500 k ?
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In the Arrhenius equation, the collision frequency and molecular orientation are incorporated in the value of A) T B) R C) Eact D) A
The value of both the activation energy in the Arrhenius equation incorporates a collision frequency and molecule orientation (Eact). The right response is C) Eact.
What order is the Arrhenius equation?A formula describing the temperature dependence in reaction rates is the Arrhenius equation. The preexponential factor multiplied by the activation energy exponential, divided by the result of the molar gas constants and the temperature, gives the first-order rate constant.
k = Ae(-Eact/RT), where k is really the equilibrium concentration, R is the heat capacity, T the temperature, as Well as a is the or before component, is the formula for the Arrhenius equation. The least amount of energy required to be delivered toward the reactant molecules for the a chemical reaction to take place is known as the activation energy, and it takes into account how collision frequency and molecule orientation affect the reaction rate. Therefore, C) Eact is the right response.
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why can the hydrogen atom not absorb every color/wavelength of light? why does it only absorb very narrow specific colors/wavelengths?
Only certain wavelengths of light will be absorbed since an atom can only hold a certain amount of energy.
The visible zone contains the transitions from 1 to 2 (i.e., 1 to 2, 3 to 2, 4 to 2, 5 to 2, etc.). This explains why only particular wavelengths of light are emitted by and absorbed by hydrogen. The electrons can only be in these specific orbitals, which explains why. The most stable atom's ground state was represented by the orbit nearest to its nucleus, while the orbits farther away denoted higher-energy excited states. Only a few different wavelengths of light were emitted as a result of transitions from an excited state to a lower-energy state.
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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?
a.0,72M
b.0,38M
c.0,46M
d.0,67M
The original acid method's concentration would be 0.38M based on the assertion made.
Is HBr a strong or weak base?A proton (H) as well as a bromine atom can be found in HBr. It emits protons, which are just hydrogen ions, when forced to dissolve inside of an aqueous solution. The dissociation of hydrogen bromide is practically entirely complete. As a result, it is a powerful acid because, upon total dissociation, it releases hydrogen ions.
HBr + KOH -> KBr + H2O
moles of KOH = volume of KOH * concentration of KOH = 0.150 L * 0.5 mol/L = 0.075 mol
moles of HBr = moles of KOH = 0.075 mol
concentration of HBr = moles of HBr / volume of HBr = 0.075 mol / 0.200 L = 0.375 M = 0.38 M
So, the answer is 0.38 M (Option B).
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Fill in the blank:
Marcel purchased ____ x10^22 atoms of iron to put into the Living putty?
The term mole concept is used here to determine the number of moles of atoms present in 1 × 10²² atoms of iron. The number of moles of atoms present in 1 × 10²² atoms of iron is
What is a mole?One mole of a substance is defined as that quantity of it which contains as many entities as there are atoms exactly in 12 g of carbon - 12. The formula used to calculate the number of moles is:
Number of moles = Given mass / Molar mass
From the equation, Number of atoms = Number of moles × 6.022 × 10²³
The Number of moles = Number of atoms / 6.022 × 10²³
= 1 × 10²² / 6.022 × 10²³ = 1.66 × 10⁴⁴ moles
Thus the number of moles of atoms in 1 × 10²² atoms of iron is 1.66 × 10⁴⁴ moles.
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what is the trend in atomic size as you proceed down a group?
Atomic radius generally increases throughout a group and decreases over a period. Effective nuclear charge rises with time while ion current remains consistent.
How big an atomic is that?The maximum distance from that of a nucleus of an atom to its electronic structure orbital is typically defined as the atomic radius. As a result, the size of the largest filled orbital dictates the size of both the atom or ion even though particles are what occupy space amongst atoms.
The atomic radius is where?The radius in between nuclei of two atoms that are linked together is divided by two to produce the nuclear charge. Ionic radius typically decreases during a period from left to right. Within just a group, atoms' atomic radii typically grow from top to bottom.
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if 50 g of sugar were added to 100 g of water at 20 oc to form a solution, how would you describe the solution?
A homogenous mixture or solution is created when 50 g of sugar and 100 g of water are combined at 20 °C.
What is solution?A solution is a particular kind of mixture in which one or more ingredients are uniformly dispersed in another ingredient, known as the solvent. The solvent in this situation is water, and the solute is sugar.
The amount of solute in the solvent can be used to calculate the concentration of the solution. In this scenario, the sugar solution's concentration would be 50 g/100 g, or 0.5 g/g, or 50%. In other words, water makes up 50% of the solution's weight and sugar makes up 50% of it.
Temperature, pressure, and the makeup of the solute and solvent all have an impact on how soluble they are in a given solvent. In this instance, rising temperatures cause sugar to dissolve more readily in water. This implies that when the temperature rises, more sugar will dissolve in the solution.
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a mechanism to ensure that phi has not been altered or destroyed inappropriately has been established. this mechanism is protecting:
The correct option is A. A mechanism to ensure that PHI has not been altered or destroyed inappropriately has been established. This process is called integrity.
In Archaic and Classical Greek, it represented an aspirated voiceless bilabial plosive, which was the beginning of its typical romanization as ⟨ph⟩.
PHI stands for included fitness facts. The HIPAA Privacy Rule presents federal protections for non-public fitness facts held through protected entities and offers sufferers an array of rights with recognition of that information. The golden ratio or golden imply, represented by way of the Greek letter phi (ϕ), is an irrational variety that approximately equals 1.618. The golden ratio results when the ratio of numbers is the same as the ratio of their sum to the bigger of the two numbers.
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Complete Question:
A mechanism to ensure that PHI has not been altered or destroyed inappropriately has been established. This process is called
A). integrity.
B). audit controls.
C). access control.
D). entity authentication.
determine the mass in grams of sucrose that must be added to 19.9 g of water to make a 0.82 m solution.
The mass of sucrose is [tex]16.228 g[/tex] while added to [tex]19.9g[/tex] of water to make [tex]0.82m[/tex] solution.
How to determine the mass in grams calculation?In this equation, the mass of sucrose is calculated using the molar concentration [tex](M)[/tex] and the mass of water (in grams) that is needed to make the solution. The equation states that the mass of sucrose is equal to the molar concentration of the solution multiplied by the mass of water divided by 1 molar concentration.
The mass of sucrose needed to make a 0.82 M solution can be calculated using the following equation:
mass of sucrose = [tex](0.82 M x 19.9 g of water) / (1 M)[/tex]
mass of sucrose = [tex]16.228 g[/tex]
Therefore, [tex]16.228 g[/tex] of sucrose must be added to [tex]19.9 g[/tex] of water to make a [tex]0.82 M[/tex] solution.
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is it true that higher energy orbitals always extend further away from the nucleus than lower lying orbitals?
Yes , it is true that the higher energy orbitals always extend further away from the nucleus than the lower lying orbitals.
The lower energy orbitals are closer to the nucleus as compared to the higher energy orbital . The Aufbau principles tell us that the electrons first fill to the low energy orbitals that is closer to the nucleus and then fill the higher energy ones. the electrons filling between orbitals of equal energy, the electrons will fill the orbitals singly as far as the possible by the Hund's rule.
Thus , the lower energy orbitals are close to the nucleus than the higher energy orbitals.
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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
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the nonoxidative reactions of the pentose phosphate pathway convert pentose phosphates into hexose phosphates. (a) for every 3 glucose phosphates that enter the pentose phosphate pathway, how many fructose-6-phosphates are recovered? (b) for every 3 glucose-6-phosphates that enter the pentose phosphate pathway, how many glyceraldehyde-3-phosphates are recovered?
Two fructose-6-phosphates are retrieved and one is created directly, however the other two F6P molecules can be used to produce four more through glycolysis.
Fructose-6-phosphate is created from glucose-6-phosphate in what way?In the second phase, phospho-gluco-isomerase (also known as phospho-glucose isomerase) converts glucose-6-phosphate (G6P) into fructose-6-phosphate (F6P). Mg2+ is also required for this reaction. From the following stage, F6P can enter the glycolytic pathway. Low free energy charges are present in this reaction.
How is fructose-6-phosphate produced?When glucose enters a cell, the vast majority of it gets changed into fructose 6-phosphate. After being imported into the cell, fructokinase mostly converts fructose to fructose 1-phosphate. The glycolytic process cannot be directly accessed by fructose-1,6-bisphosphate. It ought to transform into glucose, which produces two ATP molecules.
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