for the reaction 2 no cl2 -----> 2 nocl at 400 k. what is the value of kp if the equilibrium partial pressures of no, cl2 and nocl are 0.095, 0.171 and 0.28 atms respectively?

The vapour pressure in the water flask is 23.686 torr.

The pressure of \(H_2\) in the flask was 713.514  torr.

Pressure is the \(H_2\) exerting in the flask is 688.314 torr

Vapour pressure is a measure of the tendency of a material to change into the gaseous or vapour state, and it increases with temperature.

a.The vapour pressure of water is given by:

\(Log_{10} P =A- \frac{B}{C+T}\), where T is in degree Celcius, P is in torr.

For 0-100 degree celcius, A=8.07131, B=1730.63, C=233.426

\(Log_{10} P = 8.07131 - \frac{1730.63}{233.426+25} =1.3745\)

As T =25 degree celcius

\(P = 10^{1.3745} torr\) =23.686 torr

b.We know that \(P_{total} =P_{H_2} + P_{H_2O}\)

\(P_{total}\) = Atmospheric pressure

\(737.2 torr = P_{H_2} +23.686 torr\)

\(P_{H_2} = 713.514 torr\)

c.After there is a leak in the gas collection tube, the amount at pressure due to water vapour remains unchanged as it is a quantity dependent on temperature.

\(P_{total} =P_{H_2} + P_{H_2O} + P_{leaking \;air}\)

\(737.2 torr = P_{H_2} + 23.686 torr + 25.2 torr\)

\(P_{H_2} =688.314 torr\)

For calculating molar mass of any gas:

M= Density X (RT ÷ P)

M= 0.714 g X (\(8.314 J mol^{-1}K^{-1}\)273 K ÷ 101325 Pa)

M= 15.994 g/mol = 16 g/mol.

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Answer:

approximately 1 week

Explanation:

Hope this helps, feel free to give feedback

1 to 2 weeks but if they smell a litte more stink then usually you better get rid of them or they my make you sick. i got sick for old boiled egg from the school cafeteria a long time ago.

Explanation:

Answer:

40

Explanation:

300÷15=20

20×2=40

hope this helps

Answer:

300(2)

Explanation:

given:

2 sticks of butter

how much butter if 300

multiply it

Explanation:

cooked rice

nutrient

carbohydrate.

Boiler eggs

nutrient

Protein.

The third quantum number of a 2s² electron in phosphorus, m = 0.

The correct option is D.

Quantum numbers are the set of numbers used to express the location and energy of an electron in an atom.

There are four types of quantum numbers;

The electronic configuration of phosphorus is 1s²2s²2p63s²3p³.

The third quantum number m has values of -l to +l.

For phosphorus, l is 0. Hence, m is also 0.

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Hydrogen is a fuel that can be produced domestically from a variety of resources and has nearly no potential to release greenhouse emissions. When hydrogen is generated, a fuel cell is used to generate power; only hot air and water vapour are released as waste. Both the stationary and transportation energy sectors (1) are poised for expansion.

However, it is not utilized as a household fuel for a number of reasons: Because it is expensive to produce and is not readily available, hydrogen Hydrogen is less common in the environment than other gases Procedures like water electrolysis are required for its production. This technique takes a long time and is highly expensive.

The emissions of nitrogen oxides, hydrocarbons, and particulate matter from gasoline and diesel vehicles are among the principal causes of environmental pollution. Fuel cell electric vehicles powered by hydrogen emit just warm air and water (H2O), not any of these toxic chemicals.

Shydrogen can be produced from a variety of household energy sources, including natural gas, nuclear energy, biomass, and renewable energy sources like sun and wind. These qualities make it a desirable fuel option for use in transportation and energy production.

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Answer: 132.14 g/mol

Explanation:

The subsequent association of peptide fragments on the surface of antigen-presenting cells with MHC class I or class II molecules .

Option D is correct .

Lymphocytes can perceive antigens when they are shown on cell surfaces. Antigen-presenting cells (APCs), of which dendritic cells, B cells, and macrophages are the most important, are responsible for this.

The proteasome breaks down antibodies into peptide fragments. After that, these peptides are moved from the cytosol into the lumen of the endoplasmic reticulum (ER), where a number of chaperones, including a tapasin-specific chaperone in the peptide-loading complex, keep MHC I in wait for peptides.

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Answer:

I think ammonium nitrate is correct answer

is there any other options please check that question once

In order to raise the temperature of 150.0 g of silver from 273 K to 298 K, 900 Joules of heat are required.

The following formula can be used to determine how much heat is required to raise a substance's temperature:

q = m * c * ΔT

When the heat energy (q) is measured in joules

The substance's mass, m, is measured in grams.

The substance's specific heat capacity is given as c (in J/g°C).

T is the temperature change (in °C).

Given: The mass of silver is 150.0 g.

(Specific heat of silver) = 0.24 J/g°C

T = 298 K - 273 K = 25 °C (temperature change)

When the values are substituted into the formula, we get:

150.0 g * 0.24 J/g°C * 25°C = q

We calculate the formula and discover that q = 900 J.

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To make a 0.121 M hydroiodic acid solution from a stock solution of 6.00 M hydroiodic acid, you need to dilute the stock solution with water.

The formula for dilution is C1V1 = C2V2,

where C1 is the initial concentration,

V1 is the initial volume,

C2 is the final concentration, and

V2 is the final volume.

In this case, C1 = 6.00 M, C2 = 0.121 M, and V2 = 175 mL. Solving for V1, we get V1 = (C2V2)/C1 = (0.121 M x 175 mL)/6.00 M = 3.54 mL.

Therefore, you need to add 3.54 mL of the concentrated acid to 171.46 mL of water to obtain a total volume of 175 mL of the dilute solution. It is important to add the acid slowly to the water while stirring to prevent splashing and ensure proper mixing.

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Answer:

The renewable energy source among the options you provided is solar power (option C). Solar energy is derived from the sun and can be converted into electricity or used for heating and other applications. It is a clean and sustainable form of energy.

Explanation:

The repeat of the original chromatography experiment with a different solvent might could best help determine whether the compounds are identical.

Chromatography is a technique used in the laboratory to physically separate two different objects and/or materials.

In chromatography, these materials are separated into two phases called the stationary phase and the movement phase.

Chromatography is also used to purify a given substance and thus determine its exact composition.

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Answer:

234.9 grams

Explanation:

Hope this helps

Answer:

1. Nature of Solute

2. Manner of stirring

3. Size of Solute

4. Temperature

5. Amount of solvent

Answer:

1. Size of solute

2. Manner of stirring

3. Nature of solute

4. Temperature

5. Amount of solvent

Explanation:

Hope it helps!!

The angle of insolation has the effect that the more the angle of insolation, the more the amount of heat absorbed by a material.

The impact of the insolation angle on the heat absorption rate of a substance  can be explained by the following factors that affect how much sunlight is absorbed on Earth's surface:

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Answer: B and E

Explanation: I just did it

Answer:

If you follow the periodic table and its orbitals, you'll see that the element that has the electron configuration of 1s²2s²2p³ is Nitrogen. It's period, group, and atomic number are 2, 15, and 7 respectively. The other 2 are Neon, who's period, group, and atomic number are 2, 18, and 10 and the last one is Fluorine, who's period, group, and atomic number are 2, 17, and 9.

Answer:

The viscosity of intestinal contents should define the mixing, diffusion and flow of nutrients and other materials in digesta (1–4). The viscosity of intestinal contents has been measured only after the removal of solid particles by centrifugation (5,6), under the assumption that particles or insoluble fibers in the diet do not affect the viscosity of gut contents (7). However, the complete removal of solid particles considerably reduced the coefficient of viscosity of pig cecal contents and changed the contents from a non-Newtonian to a Newtonian fluid in our recent study

The ranking of bonds by increasing price volatility (duration) is as follows:

2) 4,2,1,3

This means that option 2 ranks the bonds in the correct order of increasing price volatility.

The duration of a bond measures its sensitivity to changes in interest rates. Generally, bonds with longer durations are more sensitive to interest rate changes and exhibit greater price volatility.

In the given ranking, the bond with the lowest price volatility (shortest duration) is bond 4, followed by bond 2, bond 1, and bond 3. This implies that bond 4 is the least affected by interest rate changes and has the lowest price volatility, while bond 3 is the most sensitive to interest rate changes and has the highest price volatility.

The ranking is based on the understanding that longer-term bonds tend to have higher durations and are more susceptible to price fluctuations due to changes in interest rates, while shorter-term bonds have lower durations and exhibit lower price volatility.

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The atomic ratio of carbon to oxygen in carbon monoxide (CO) is 1:1, and the atomic ratio of carbon to oxygen in carbon dioxide (CO₂) is 2:1.

Firstly, we can analyze the decomposition of carbon monoxide (CO) and carbon dioxide (CO₂) to determine the atomic ratios involved.

Let's denote the atomic ratio of carbon to oxygen in carbon monoxide as x, and the atomic ratio of carbon to oxygen in carbon dioxide as y.

According to the given data;

Decomposition of carbon monoxide (CO);

Oxygen produced = 3.36 g

Carbon produced = 2.52 g

We know that the atomic mass of carbon is 12 g/mol, and the atomic mass of oxygen is 16 g/mol. Using these values, we can calculate the number of moles for each element;

Number of moles of oxygen = mass / atomic mass = 3.36 g / 16 g/mol = 0.21 mol

Number of moles of carbon = mass / atomic mass = 2.52 g / 12 g/mol = 0.21 mol

Since the atomic ratio of carbon to oxygen in carbon monoxide is x, we can write the following equation;

0.21 mol C / (0.21 mol O) = x

Simplifying the equation, we have;

x = 1

Therefore, the atomic ratio of carbon to oxygen in carbon monoxide is 1:1.

Decomposition of carbon dioxide (CO₂);

Oxygen produced = 9.92 g

Carbon produced = 3.72 g

Following the same calculations as before;

Number of moles of oxygen = mass / atomic mass = 9.92 g / 16 g/mol = 0.62 mol

Number of moles of carbon = mass / atomic mass = 3.72 g / 12 g/mol = 0.31 mol

Since the atomic ratio of carbon to oxygen in carbon dioxide is y, we can write the following equation;

0.31 mol C / (0.62 mol O) = y

Simplifying the equation, we have;

y = 0.5

Therefore, the atomic ratio of carbon to oxygen in carbon dioxide is 1:0.5, which can be simplified to 2:1.

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--The given question is incomplete, the complete question is

"Missed this? watch kcv: atomic theory; read section 2.3. you can click on the review link to access the section in your text. carbon and oxygen form both carbon monoxide and carbon dioxide. when samples of these are decomposed, the carbon monoxide produces 3.36 g of oxygen and 2.52 g of carbon, while the carbon dioxide produces 9.92 g of oxygen and 3.72 g of carbon. Calculate the atomic ratio of carbon to oxygen in carbon monoxide, and carbon dioxide."--

Eugenol can also be isolated from cloves using extraction with carbon dioxide:

Distillation: High purity, simplicity; challenges with temperature and separation efficiency.

Carbon dioxide extraction: Mild extraction, selectivity; higher equipment cost and complexity. Choice depends on purity and heat sensitivity.

1. High Purity: Distillation is a well-established technique for separating compounds based on their boiling points. It allows for the isolation of eugenol with high purity, as it vaporizes at a specific temperature and can be condensed back into a liquid.

2. Simple Process: Distillation is a relatively straightforward process that requires basic equipment and can be easily scaled up for industrial production. It is a commonly used method in the chemical industry, making it accessible and widely applicable.

1. Temperature Sensitivity: Distillation relies on heating the mixture to vaporize the desired compound. However, eugenol is sensitive to high temperatures and can be easily degraded or oxidized during the distillation process, leading to a loss of yield or degradation of the compound.

2. Separation Efficiency: Distillation is effective for separating compounds with significantly different boiling points. However, if there are other compounds present in the cloves extract with boiling points close to eugenol, achieving a complete separation becomes challenging. This can result in impurities in the final product.

1. Mild Extraction Conditions: Carbon dioxide extraction, also known as supercritical fluid extraction, can be performed at relatively low temperatures and pressures compared to distillation. This gentle extraction process helps preserve the integrity and quality of heat-sensitive compounds like eugenol.

2. Selectivity: Carbon dioxide extraction allows for selective extraction of specific compounds. By adjusting the temperature and pressure, it is possible to optimize the extraction of eugenol while minimizing the extraction of unwanted compounds from the cloves. This can result in a higher purity of eugenol in the extracted product.

1. Equipment and Cost: Carbon dioxide extraction requires specialized equipment capable of maintaining specific temperature and pressure conditions. This can make the setup more expensive compared to distillation. Additionally, the extraction process may take longer, resulting in increased production time and cost.

2. Complex Process: Carbon dioxide extraction is a more complex process compared to distillation. It involves handling high-pressure systems and requires a good understanding of the extraction parameters to achieve optimal results. This complexity may require more expertise and training to operate effectively.

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The pressure in the can that holds 2.00 moles of gas at 22.3°C is 48.49atm.

The pressure in a container can be calculated by using the following ideal gas law expression;

PV = nRT

Where;

According to this question, a 1.0L canister holds 2.00 moles of gas at 22.3°C. The pressure can be calculated as follows:

P × 1 = 2 × 0.0821 × 295.3

P = 48.49atm

Therefore, the pressure in the canister is 48.49 atm.

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Answer:

ovulation

Explanation:

Ovulation is a phase in the menstrual cycle when your ovary releases an egg (ovum)

Answer:

D

Explanation:

Answer:

I thinks something bad will happen but science can change so im not sure

Explanation:

Science changes because of diffrent thing like enviorment

The mole fraction of ki in a solution made by dissolving 3. 4 g of ki in 5. 8 g of water: 0.060.

Mole fraction = Moles of componentMoles of all species in solution. And thus, Mole fraction, KI = Moles of KIMoles of KI + moles of water.

The mole fraction may be calculated by using dividing the wide variety of moles of one issue of an answer by means of the overall variety of moles of all the additives of an answer. it is mentioned that the sum of the mole fraction of all the additives inside the answer needs to be identical to at least one. Mole percentage ( ) is the same as a mole fraction in chemistry, however in a special guise. Multiplying the mole fraction through one hundred yields the mole percent of the given component. Mole Fraction = the variety of moles of 1 aspect in the given combination and the overall quantity of moles in the combination.

A mole fraction is a unit of attention, defined to be the same as the number of moles of an issue divided by means of the whole number of moles of a solution. because it's far a ratio, the mole fraction is a unitless expression.

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Answer:

First 20 Elements

Atomic Number Element Symbol

17 Chlorine Cl

18 Argon Ar

19 Potassium K

20 Calcium Ca