All Questions
Tagged with equilibrium gas-laws
43
questions
0
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2
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133
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Molarity Numerical on Water Gas Shift Reaction
For the water gas shift reaction below, $K_c = 3.491$ at a certain temperature. What are the equilibrium concentrations of all the components of the reaction if $\pu{0.3815 mol}$ of $\ce{CO}$ and $\ce{...
2
votes
1
answer
143
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How to calculate the standard Gibbs energy at equilibrium?
Given that $K_c = 1.7 \times 10^{-13}$, calculate $\Delta G^{\circ}$ for this equilibrium mixture at $\pu{298 K}$.
$$\ce{N2O (g) + \frac{1}{2}O2 (g) <=> 2 NO (g)}$$
I've calculated:
$$
\begin{...
- 131
1
vote
0
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98
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Determining mole fraction of carbon dioxide knowing Kp only
I've been assigned the following problem at school:
Given the following reaction:
$$\ce{C (s) + CO2 (g) <=> 2 CO (g)}$$
Find the mole fraction of $\ce{CO2}$ provided that, in equilibrium, $K_\...
- 21
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votes
1
answer
1k
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Equilibrium constant from mole ratio
Chapter 4, problem 13 from the Chemical Priciples [1, p. 170]:
Equilibrium concentrations
Experiments have shown that at $\pu{60 °C}$ and $\pu{1 atm}$ total pressure, the equilibrium ratio of $\ce{...
- 111
1
vote
1
answer
156
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Heat generation in exothermic reactions [duplicate]
Im thinking specifically of N2 + 3 H2 ⇌ 2 NH3. Its an exothermic reaction, therefore heat is generated. Im trying to understand how Chateliers principle interacts with this reaction. I understand that ...
0
votes
1
answer
232
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Measure of partial pressure on blood
Here is the issue of blood gases partial pressure.
On medical reports is common to see partial pressure of gas on blood, usually oxygen, but there is no gas in equilibrium with blood, so it is ...
user43021
0
votes
3
answers
765
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Pressure dependency in Haber Bosch ammonia synthesis
Haber-Bosch ammonia synthesis reaction:
$$\ce{3H2 +N2 -> 2NH3}$$
According to the ideal gas law: $pV=nRT$ where constant volume implies $\displaystyle \frac nV=\frac p{RT}$
Then $\displaystyle ...
- 11
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votes
1
answer
2k
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Effect of increase in volume of container on concentration of chlorine at equilibrium conditions
How the concentration of the chlorine would be affected if the volume of the container is increased?
$$\ce{4 HCl + O2 <=> 2 Cl2 + 2 H2O + $Q$}$$
My initial thought was that the total and ...
- 19
2
votes
1
answer
154
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Concentrations of gases at equilibrium
The equilibrium constant for the reaction:
$$\ce{2NO(g) <=> N2(g) + O2(g)}$$
is $2.60 \cdot 10^{-3}$ at $\pu{1000^\circ C}$. If $\pu{0.820 mol}$ of $\ce{NO}$ and $\pu{0.223 mol}$ each of $\...
- 219
1
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2
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5k
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How to calculate the equilibrium constant from the density of a nitrogen dioxide and dinitrogen tetroxide mixture?
The density of an equilibrium mixture of $\ce{N2O4}$ and $\ce{NO2}$ at $\pu{1 atm}$ and $\pu{373.5 K}$ is $\pu{2.0 g/L}$. Calculate $K_c$ for the dissociation reaction
I did this:
Let initial amount ...
- 335
5
votes
2
answers
5k
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Finding the kp with density, temperature, and pressure
Consider the following reaction
$$\ce{3O2(g) <=> 2O3(g)}$$
At $\pu{175°C}$ and a pressure of $\pu{128Torr}$, and equilibrium mixture of $\ce{O2}$ and $\ce{O3}$ has a density of $\pu{0.168g/L}$. ...
- 89
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170
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How does Le Chatelier's principle apply to a fuel tank full of hydrogen?
A nano-tube packed fuel tank is full of Hydrogen, and there is a steady pressure of Hydrogen in the tank. While hydrogen gas is being removed from the fuel tank to power the car, the pressure in the ...
- 485
3
votes
1
answer
88
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In a multi equilibrium system, how does change in one equilibrium affect the other?
Suppose in a reaction vessel of fixed volume we have the following equilibria established (existing simultaneously in the vessel),
\begin{align}
\ce{A (g) &<=> B (g) + C (g)}\tag{i}\label{i}\...
0
votes
0
answers
857
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Calculating volume % in a mixture of gases at equilibrium
In a mixture of $\ce{N2}$ and $\ce{H2}$ initially In a mole ratio of $1:3$ at $\ce{30 atm}$ and $\pu{300^\circ C}$, the percentage of ammonia by volume under the equilibrium is $17.8$. I have to ...
- 330
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4
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3k
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Is vapour pressure of a liquid solution constant at a given temperature, no matter the size of closed container and amount of liquid taken?
Does vapour pressure of a liquid solution depend on the size of the closed container, the amount of solution taken, given that, the temperature is kept constant? Or will it change if some extra gas is ...
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