Question 14.16: The Effect of a Temperature Change on Equilibrium The follow...

Principles of Chemistry: A Molecular Approach

The Effect of a Temperature Change on Equilibrium

The following reaction is endothermic:

CaCO_{3}(s) \xrightleftharpoons[]{}CaO(s) + CO_{2}(g)

What is the effect of increasing the temperature of the reaction mixture? Decreasing the temperature?

The blue check mark means that this solution has been answered and checked by an expert. This guarantees that the final answer is accurate.
Learn more on how we answer questions.

Related Answered Questions

Question: 14.15

The Effect of a Volume Change on Equilibrium Consider the following reaction at chemical equilibrium:2 KClO3(s) →←2 KCl(s) + 3 O2(g)What is the effect of decreasing the volume of the reaction mixture? Increasing the volume of the reaction mixture? Adding an inert gas at constant volume? ...

Verified Answer:

The chemical equation has 3 mol of gas on the righ...

Question: 14.13

Finding Equilibrium Concentrations from Initial Concentrations in Cases with a Small Equilibrium Constant Consider the reaction for the decomposition of hydrogen disulfide.2 H2S(g) →← 2 H2(g) + S2(g) Kc = 1.67× 10-7 at 800 °CA 0.500-L reaction vessel initially contains 1.25 ×10-4 mol H2S at 800 °C ...

Verified Answer:

[H_{2}S] = \frac{1.25 \times 10^{-4} mol0}{...

Question: 14.9

Finding Equilibrium Concentrations from Initial Concentrations and the Equilibrium Constant Consider the reaction.N2(g) + O2(g) →← 2 NO(g) Kc = 0.10 (at 2000 °C) A reaction mixture (at 2000 °C) ini-tially contains [N2] = 0.200 M and [O2] = 0.200 M. Find the equilibrium concentrations of the ...

Verified Answer:

N_{2}(g) + O_{2}(g) \xrightleftharpoons[]{...

Question: 14.10

Finding Equilibrium Concentrations from Initial Concentrations and the Equilibrium Constant Consider the reaction.N2O4(g) →← 2 NO2(g) Kc = 0.36 (at 2000 °C) A reaction mixture at 100 °C initially con-tains [NO2] = 0.100 M. Find the equilib-rium concentrations of NO2 and N2O4 at this temperature. ...

Verified Answer:

N_{2}O_{4}(g) \xrightleftharpoons[]{} 2 NO_...

Question: 14.11

Finding Equilibrium Partial Pressures when we are given the Equilibrium Constant and Initial Partial Pressures Consider the reaction.I2(g) + Cl2(g) →← 2 ICl(g) Kp = 81.9 (at 25 °C) A reaction mixture at 25 °C initially contains PI2 = 0.100 atm, PCl2 = 0.100 atm, and PICl = 0.100 atm. Find the ...

Verified Answer:

Follow the procedure outlined in Examples 14.5 and...

Question: 14.12

Finding Equilibrium Concentrations from Initial Concentrations in Cases with a Small Equilibrium Constant Consider the reaction for the decom-position of hydrogen disulfide.2 H2S(g)→← 2 H2(g) + S2(g)Kc = 1.67 ×10-7 at 800 °CA 0.500-L reaction vessel initially contains 0.0125 mol of H2S at 800 °C. ...

Verified Answer:

[H_{2}S] = \frac{0.0125 mol}{0.500 L}[/late...

Question: 14.8

Finding Equilibrium Concentrations when You are given the Equilibrium Constant and all but One of the Equilibrium Concentrations of the Reactants and Products Consider the reaction:2 COF2(g) →←CO2(g) + CF4(g) Kc = 2.00 at 1000 °C In an equilibrium mixture, the concentration of COF2 is 0.255 M and ...

Verified Answer:

[CO_{2}] = K_{c}\frac{[COF_{2}]^{2}}{[CF_{4...

Question: 14.7

Predicting the Direction of a Reaction by Comparing Q and K Consider the reaction and its equilibrium constant:I2(g) + Cl2(g) →← 2 ICl(g) Kp = 81.9A reaction mixture contains PI2 = 0.114 atm, PCl2 = 0.102 atm, and PICl = 0.355 atm. Is the reaction mixture at equilibrium? If not, in which direction ...

Verified Answer:

To determine the progress of the reaction relative...

Question: 14.6

Finding Equilibrium Constants from Experimental Concentration Measurements Consider the following reaction:2 CH4(g) →← C2H2(g) + 3 H2(g)A reaction mixture at 1700 °C initially contains [CH4] = 0.115 M. At equilibrium, the mixture contains [C2H2] = 0.035 M. What is the value of the equilibrium ...

Verified Answer:

2 CH_{4}(g) \xrightleftharpoons[]{} C_{2}H_...

Question: 14.5

Finding Equilibrium Constants from Experimental Concentration Measurements Consider the following reaction:CO(g) + 2 H2(g)→←CH3OH(g)A reaction mixture at 780 °C initially contains [CO] = 0.500 M and [H2] =1.00 M. At equilibrium, the CO concen-tration is found to be 0.15 M. What is the value of the ...

Verified Answer:

CO(g) + 2 H_{2}(g) \xrightleftharpoons[]{} ...