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2 years ago

Explain why doesn’t the total pressure increase when more gas is added to the chamber?

1 answer:

german2 years ago

4 0

Pressure is inversely proportional to volume. Therefore, the effect of pressure change is opposite to the effect of volume change. So when more gas is added to the chamber the total pressure of the chamber doesn't increase.

<h3>What are the different relations between pressure and volume?</h3>

As the volume changes, the concentrations and partial pressures of both reactants and products change.
As the volume decreases, the reaction shifts to the reaction side with fewer gas particles.
As the volume increases, the reaction shifts to the side of the reaction containing more gas particles.
As the pressure increases, the equilibrium shifts towards reactions with fewer moles of gas.
As the pressure decreases, the equilibrium shifts to the side of the reaction with higher moles of gas.
Moreover, the pressure change in the system due to the addition of the inert gas is not limited to this.

To know more about Pressure and Volume visit:
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a gas thermometer measure temperature by measuring the pressure of a gas inside the fixed volume container a thermometer reads a

sdas [7]

Hello!

a gas thermometer measure temperature by measuring the pressure of a gas inside the fixed volume container a thermometer reads a pressure of 248 torr at 0 degrees Celsius what is the temperature when the thermometer reads a pressure of 345 torr

We have the following information:

P1 (initial pressure) = 248 torr

T1 (initial temperature) = 0 ºC (in Kelvin)

TK = TºC + 273.15 → TK = 0 + 273.15 → T1 (initial temperature) = 273.15 K

P2 (final pressure) = 345 torr

T2 (final temperature) = ? (in Kelvin)

According to the Law of Charles and Gay-Lussac in the study of gases, we have an isochoric (or isovolumetric) transformation when its volume remains constant or equal, then we will have the following formula:

$\dfrac{P_1}{T_1} = \dfrac{P_2}{T_2}$

$\dfrac{248}{273.15} = \dfrac{345}{T_2}$

$248*T_2 = 345*273.15$

$248\:T_2 = 94236.75$

$T_2 = \dfrac{94236.75}{248}$

$T_2 = 379.9868952... \to \boxed{\boxed{T_2 \approx 380\:K}}\end{array}}\qquad\checkmark$

If you want the solution in Celsius Temperature, we have:

TC = TK - 273.15

TC = 380 - 273.15

TC = 106.85 → Temperature = 106.85 ºC

_______________________________

I Hope this helps, greetings ... Dexteright02! =)

6 0

3 years ago

C8H10N4O2 is the chemical formula for caffeine, there are 8 carbons. List the 3 remaining elements in caffeine and how many atom

Nataly [62]

Caffeine that is C8H10N402 is molecule which made up of 4 different elements. apart from carbon the other element includes

element symbol
nitrogen N
oxygen O
hydrogen H
The number of atom present in caffeine molecule are as follows

Nitrogen=4 atoms
Oxygen=2 atoms
Hydrogen=10 atoms

4 0

3 years ago

Write a net ionic equation for the overall reaction that occurs when aqueous solutions of sodium hydroxide and hydrosulfuric aci

Helga [31]

Answer:

2OH-(aq) + 2H+(aq) → 2H2O(l)

Explanation:

Step 1: Data given

sodium hydroxide = NaOH

hydrosulfuric acid = H2S

Step 2: The unbalanced equation

NaOH(aq) + H2S(aq) → Na2S(aq) + H2O(l)

Step 3: Balancing the equation

On the left side we have 1x Na (in NaOH), on the right side we have 2x Na (in Na2S). To balance the amount of Na on both sides, we have to multiply NaOH on the left side by 2.

2NaOH(aq) + H2S(aq) → Na2S(aq) + H2O(l)

On the left side we have 4x H (2x in NaOH and 2x in H2S), on the right side we have 2x H (in H2O). To balance the amount of H on both sides, we have to multiply H2O on the right side by 2. Now the equation is balanced.

2NaOH(aq) + H2S(aq) → Na2S(aq) + 2H2O(l)

Step 4: The net ionic equation

2Na+(aq) + 2OH-(aq) + 2H+(aq) + S^2-(aq) → 2Na+(aq) + S^2-(aq) + 2H2O(l)

The net ionic equation, for which spectator ions are omitted - remember that spectator ions are those ions located on both sides of the equation - will , after canceling those spectator ions in both side, look like this:

2OH-(aq) + 2H+(aq) → 2H2O(l)

8 0

4 years ago

A chemist sets up a chemical reaction but finds that none of the reactant molecules have a required activation energy. What is t

Anvisha [2.4K]

Activation energy is the minimum amount of energy that the colliding reactant molecules must possess for the formation of products. Lower the activation energy, higher will be chance of formation of products. So activation energy is the minimum energy requirement that has to overcome for the reaction to be completed. Therefore, when in a chemical reaction the reactant molecules do not collide with required activation energy, the collisions will not be fruitful even if they are properly oriented which means that the products will not form.

Hence the correct answer will be B.) no products will be formed

5 0

3 years ago

Read 2 more answers

Find the no of moles of ca in 8g of ca

Tom [10]

Answer:

Thus,there are 0.2 mole in 8 g of calcium.

4 0

3 years ago