Calculate the number of moles in 75. 0 g of dinitrogen trioxide.

Sugar, sucrose (C12H22O11: a disaccharide, composed of the two monosaccharides: glucose and fructose), is odorless, that is, it lacks odor. When heated a phase change occurs resulting in melting of a thick syrup.

The answer is-

\(4NH_{3}\ (g) + 5O_{2}\ (g)\)→ \(4NO\ (g) +6H_{2}O\ (g)\)

\(2NO\ (g) + O_{2}\ (g)\)→\(2NO_{2} \ (g)\)

Nitric acid is \(HNO_{3}\). Commercial nitric acid (\(HNO_{3}\)) and ammonia (NH3) are mostly produced through the Ostwald process and the Haber-Bosch process, respectively.

Write the mechanism of industrial  synthesis of nitric acid.

\(4NH_{3}\ (g) + 5O_{2}\ (g)\)→ \(4NO\ (g) +6H_{2}O\ (g)\)

\(2NO\ (g) + O_{2}\ (g)\)→\(2NO_{2} \ (g)\)

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dog water ;-; yes friend

Answer:

Gas

Explanation:

The atoms, ions, or molecules that make up the gas are further apart and move freely at high speeds and is can easily be compressible.

Answer:

Gas

Explanation:

A gas is a substance or matter in a state in which it will expand freely to fill the whole of a container' having no shape like a solid and no fixed volume like a liquid.

Answer:

B

Explanation:

The energy required to break one mole of the C-C bond is 348 kJ and the maximum wavelength is 3.44 X 10⁻⁷ m.

Thus, the amount of energy needed to break one C-C bond is given as,

348 x 1000 / 6.023 x 10^23

Required energy is 5.78 x 10^-19 Joules.

The relationship between wavelength and energy is given as,

E = hc / λ

Where,

wavelength is λ

Planck's constant is h.

the speed of light, is c

Substitute the values in the expression to obtain the value of λ,

5.78 X 10⁻¹⁹ Joules = 6.62 X 10⁻³⁴ X 3 X 10⁸ / λ

λ = 3.44 X 10⁻⁷ m

The highest wavelength of light at which a single photon may break a carbon-carbon single bond is 3.44 X 10⁻⁷ m.

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Answer:

1.514 moles

Explanation:

For this problem you want to use dimensional analysis and cancel out your molecules of sugar and be left with moles of sugar. We know that 1 mole (of anything) = 6.022 x 10 ^ 23 molecules, so we should use that conversion to help us. Start with 9.12 x 10 ^23 molecules and divide by 6.022 x 10 ^ 23 molecules, and you will be left with moles.

Hope this helps!

Answer:

P00

Explanation:

?Michael Jackson's hee hee

The pKb for the base, when the pKa of the conjugate acid is 3.93 × 10^(-6), is approximately 14.

The pKa value represents the negative logarithm (base 10) of the acid dissociation constant (Ka). In this case, the given pKa value is 3.93 × 10^(-6).

To find the pKb for the base, we can use the equation: pKb = 14 - pKa.

Substituting the given pKa value into the equation: pKb = 14 - 3.93 × 10^(-6).

Calculating the value: pKb ≈ 14.

The pKb for the base, when the pKa of the conjugate acid is 3.93 × 10^(-6), is approximately 14. This implies that the base is very weak, as a high pKb indicates a low tendency to accept protons (H+ ions) and thus a weaker base.

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Increasing [Ag+] should be done in the following order: Solution X, Solution Y, and Solution Z. saturated solution.

What is saturated solution?

A saturated solution is one in which, at a specific temperature and pressure, the maximum amount of solute has been dissolved. In other words, under those circumstances, no additional solute can be dissolved in the solvent.

.We must evaluate the solubility of silver compounds in each saturated solution in order to establish the sequence of increasing [Ag+] (silver ion concentration) for the solutions X, Y, and Z.

AgCl, followed by AgBr and AgI, has the lowest solubility product constant (Ksp) value, as can be seen from the table. The solubility of the molecule and the concentration of the corresponding ions in the solution decrease with decreasing Ksp values.

Based on this knowledge, we can arrange the answers in the following sequence, increasing [Ag+]:

Solution Z: AgI will produce the highest [Ag+] concentration since it is the most soluble of the three silver compounds.

Solution Y: Because AgBr is less soluble than AgI, Solution Y will have a lower [Ag+] concentration than Solution Z but a greater concentration than Solution X.

The lowest [Ag+] concentration among the solutions may be found in Solution X, which contains AgCl, which is the least soluble of the three silver compounds.

Therefore, increasing [Ag+] should be done in the following order: Solution X, Solution Y, and Solution Z.

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Answer: It would be D, it can not be replicated becuz the methods are different. one plant had water and fertilizer, while the other only had water. You cannot replicate it you will have different outcomes because of the methods. I hope this helps you the answer is D

Explanation:

Answer:

personally I do not think that the experiment can be replicated and if it is replicated they might not get the same result.

Explanation:

It depends on how much fertilizer they used and since plants are different it might give different results. I know this isn't going to help you but go with your gut.

Answer: I believe it was Şaddam Hussein

Explanation:

The solubility of a sample will decrease when the size of the sample increases.

When the Size of sample is bigger, it means there is more particles that make up that sample so the amount of solvent to dissolve the sample will also be in the greater amount. Thus, when the sample size increases the solubility decrease. We can also say that size of sample and solubility are inversely proportional to each other.

In the beta- oxidation pathway, the fatty acid diffuses to the mitochondrial membrane where it is combined with carnitine.

The Beta-oxidation pathway is the process by which fatty acids are broken down into smaller fragments with the release of energy with each repetition of beta-oxidation one acetyl CoA is released from the fatty acid carbon chain. Fatty acid oxidation is initiated on the outer mitochondrial membrane. The activation is catalyzed by acyl-CoA synthetase. For each molecule of fatty acid activated, one molecule of coenzyme A and one molecule of adenosine triphosphate (ATP) are used, equaling a net utilization of the two high-energy bonds in one ATP molecule. The fatty acyl-CoA diffuses to the inner mitochondrial membrane, where it combines with a carrier molecule known as carnitine in a reaction catalyzed by carnitine acyltransferase.

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A change to any gas in the atmosphere affects energy absorbed by the surface in the same way of green house effect.

Green house effect is a phenomena in which energy from the sun comes to the earth and the gases which are present in the atmosphere of the earth absorbs the energy from the sun and raises earths temperature.

The gases which are especially responsible for this effect are carbon dioxide, methane, nitrous oxide, ozone and vapors of water. Change in the concentration of this gases will affect the energy absorbed by the surface.

Hence, this is same like green house effect.

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The correct ground state electron configuration for Sr (strontium) is:

d. [Kr]5s^24d^2.

In the electron configuration, [Kr] represents the noble gas krypton, which comes before strontium in the periodic table and accounts for the filled electron shells prior to strontium. The 5s^2 portion indicates that there are two electrons occupying the 5s orbital, which are the valence electrons of strontium.

Following the noble gas notation, we start with the electron configuration of krypton: [Kr] = 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^10 4p^6.

To complete the electron configuration for strontium, we add the remaining electrons. The 5s orbital is lower in energy than the 4d orbital, so the 5s electrons are added before the 4d electrons. Thus, we have [Kr]5s^2.

Finally, since strontium has an atomic number of 38, its full electron configuration is: 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^10 4p^6 5s^2 4d^2.

This electron configuration accurately represents the distribution of electrons within strontium in its ground state, indicating the specific orbitals and the number of electrons present in each.

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Strontium (Sr)'s precise ground state electron configuration is [Kr]5s2, which is represented by option b in the notation for electron configurations.

The distribution of electrons in the ground state electron configuration of strontium (Sr) depicts the atomic structure of that element.. The electron configuration for a ground state Sr atom is [Kr]5s2. In this configuration, 'Kr' represents a core of electrons identical to that in a krypton atom, and '5s2' indicates two electrons in the 5s subshell. This correct answer aligns with option b [kr]5s2. The core notation [Kr] helps simplify the representation of the electron configuration.

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Answer:

The slope of the line is \(-\frac{10}{7}\).

Explanation:

The slope of the line (\(m\)) is the change in dependent variable (\(y\)) divided by the change in independent variable (\(x\)):

\(m = \frac{y_{f}-y_{o}}{x_{f}-x_{o}}\) (1)

If we know that \((x_{o}, y_{o}) = (0, 2)\) and \((x_{f}, y_{f}) = (1.4, 0)\), then the slope of the line is:

\(m = \frac{0-2}{1.4-0}\)

\(m = -\frac{10}{7}\)

The slope of the line is \(-\frac{10}{7}\).

Answer:

-3/2

Explanation:

L its correct

Answer:

Explanation:

do it right now leking good......, my feet my back due tomorrow

Answer:

1. 111.54 kJ

2. 944.68 kJ

3. 339 kJ

4. 94.92 kJ

5. 21.0578 kJ

Explanation:

1. The heat required to melt a given quantity of ice is known as the latent heat of fusion, \(L^{\circ}_F\), of ice

\(L^{\circ}_F\), of ice = 330 J/g

The heat required to melt a given mass of ice = Mass of ice, m × latent heat of fusion, \(L^{\circ}_F\), of ice

The heat required to melt 338 grams of ice = 338 g × 330 J/g = 111,540 J = 111.54 kJ

2. The latent heat of vaporization, l, of water = 2260 J/g

The heat required to convert, m grams of water to steam at

The heat required to convert 418 grams of boiling water into steam = 418 g × 2260 J/g = 944680 J = 944.68 kJ

3. To convert 150 grams of boiling water to steam, we have;

Heat required = 150 g × 2260 J/g = 339,000 J = 339 kJ

4. To convert 42.0 grams of boiling water to steam, we have;

Heat required = 42.0 g × 2260 J/g = 94,920 J = 94.92 kJ

5. The specific heat capacity of steam is 1.996 J/(g·°C)

The heat, Q, required to raise a given mass, m, of steam by Δt °C is given as follows;

Q = m × c × Δt

The heat required to raise the temperature of 422 grams of steam from 110.0 °C to 135.0 °C is therefore;

Q = 422 g × 1.996 J/(g·°C) × (135.0 °C - 110.0 °C) = 21057.8 J

The heat required to raise the temperature of 422 grams of steam from 110.0 °C to 135.0 °C = 21057.8 J = 21.0578 kJ

Answer:  50 nm

Explanation:  Two steps:

1.  Divide 3.25/6.5 = 0.5

2.  Divide 10^8/10^6 = 10^2

nm^2/nm = nm

Combine:  0.5x10^2 nm

or 50 nm

The equilibrium constant Kp for the reaction 2NCl₃(g) ⇌ N₂(g) + 3Cl₂(g) is 0.0516.

The equilibrium constant, denoted as K, is a quantitative measure of the extent of a chemical reaction at an equilibrium

Given information:

The equilibrium pressures are:

P(NCl₃) = 0.136 atm

P(N₂) = 2.32 atm

P(Cl₂) = 0.0580 atm

The equilibrium constant Kp for this reaction can be expressed as:

Kp = (P(N₂) × P(Cl₂)³) / (P(NCl₃)²)

Substitute the given values of equilibrium pressures and we get:

Kp = (2.32 atm × (0.0580 atm)³) / (0.136 atm)²

Kp ≈ 0.0516

Thus, the equilibrium constant Kp for the reaction 2NCl₃(g) ⇌ N₂(g) + 3Cl₂(g) is 0.0516.

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The hospitalization cost of the first 60 days by a recipient of Original or Government Medicare is covered under Part A.

Part A of Medicare is also known as the Hospital Insurance (HI) program. Part A covers hospital care, including inpatient hospital stays, skilled nursing facility care, hospice care, and home health care. It is one of the four parts of Medicare.A few points about Part A include:The hospitalization costs during the first 60 days by a recipient of Original or Government Medicare is covered under Part A.Part A covers inpatient hospital care, skilled nursing facility care, hospice care, and home health care.Part A is funded through a trust fund that is financed through payroll taxes and Social Security taxes.Part A does not have a monthly premium for most people. However, there is a deductible and coinsurance amount for hospital stays longer than 60 days.

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Answer:

a

Explanation:

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Answer:

Carbondioxide, water and ATP

Explanation:

The reaction is called aerobic respiration because oxygen from the air is needed for it to work.

Answer:

meter or metric system

Explanation:

To raise the temperature of 250.0 g of mercury by 52°C with a specific heat capacity of 4.18 J/ g°C the heat required is 5.434×10¹ kJ.

For a substance, it's specific heat capacity is the amount of energy required to raise the temperature of unit mass of that substance by 1°C.

If, specific heat capacity (c) = 4.18 J/ g°C

Mass of the substance (m) = 250.0 g

Change in temperature (ΔT) = 52°C

Energy (Q) = ?

Then mathematically the relation could be represented as

  c = \(\frac{Q}{ \ m \ (\Delta\ T )}\)

Therefore,  \(Q = m\times c \times (\Delta\ T)\)

                   \(Q = 250 \times 4.18 \times 52\)

                   \(Q = 54,340 J\\Q = 5.434 \times 10^1 kJ\)  

So, to raise the temperature of 250.0 g of mercury by 52°C with a specific heat capacity of 4.18 J/ g°C the heat required is  5.434×10¹ kJ.

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Answer:

B). The rocks are being chemically weathered by the water.

Explanation:

Because the water is slowly destroying the rock