Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Question
Chemistry
1-9 please?
![1.
2
4.
3.
8.
6.
9.
Write the equilibrium constant expression for each of the following reactions:
2 NO: (A)
a) Na (g)
b) 2 C(s)
c) la (aq)
20; (g)
3 Hz (g)
la (4)
Calle (K)
2 NO(g)
K=50x10¹
0₂ (8)
2 NO₂ (g)
Calculate the equilibrium concentration of oxygen gas if the NO and NO₂
concentrations are equal at equilibrium.
5. For the following equilibrium reaction:
N₂0 (g) 58.9 kJ 2NO(g)
a one litre flask at 55°C is found to contain 3.6 moles of N:04 (g) in equilbrium with
1.75 moles of NO: (g). Calculate the value of K for this reaction.
K=18x10
a) CHICOOH (aq)
b) H(aq)
H- (aq)
• CHICOO- (aq)
H₂S (aq)
K=10x10
+
HS
Which of the above reactions would have the greatest amount of products present at
equilibrium compared to reactants?
For the reaction:
Na (g) + 3 M₂ (g)
2NHs (g) + 92k
at an equilibrium temperature of 1000°C, a 1.00 L flask contains 0.120 moles of
ammonia, 1.03 moles of nitrogen and 1.62 moles of hydrogen. Calculate the
equilibrium constant at this temperature.
7. At equilibrium at 1120°C the concentration of the reactants and products are found to
be CO=0.010M, H₂O- 0.020M, CO₂-0.010M, and H₂=0.010M. For the following
reaction, does the equilibrium favour the formation of the products or the reactants?
CO (g) H₂0 (g) H₂(g) + CO₂(g)
For the following reaction at equilibrium at 2000°C, K=1.6 x 10¹.
2 NO(g) N (g) 0: (g)
The concentration of NO is 0.13 mol/L. If the concentrations of Na and O₂ are equal,
calculate the concentration of N₂.
Consider the reaction: 2 IFs (g) + laF2 (g)
31 (g) 6 F2 (g)
6.0 mol of IFs and 8.0 mol of 1.F2 are placed in a 5.0 L container. At equilibrium,
6.0 mol of Fa are present.
Calculate K for this reaction.
For the reaction: 250 (g)
At equilibrium, [0₂] = 0.30 M.
placed in the container?
250: (g) 0: (g)
K=0.2
What was the initial concentration of SO, that was](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb219b5fa-1de9-45d9-8ad9-5741d57ff7c4%2F43727254-f12a-415b-ba44-3e28619372e9%2Ft6nq3y_processed.jpeg&w=3840&q=75)
Transcribed Image Text:1.
2
4.
3.
8.
6.
9.
Write the equilibrium constant expression for each of the following reactions:
2 NO: (A)
a) Na (g)
b) 2 C(s)
c) la (aq)
20; (g)
3 Hz (g)
la (4)
Calle (K)
2 NO(g)
K=50x10¹
0₂ (8)
2 NO₂ (g)
Calculate the equilibrium concentration of oxygen gas if the NO and NO₂
concentrations are equal at equilibrium.
5. For the following equilibrium reaction:
N₂0 (g) 58.9 kJ 2NO(g)
a one litre flask at 55°C is found to contain 3.6 moles of N:04 (g) in equilbrium with
1.75 moles of NO: (g). Calculate the value of K for this reaction.
K=18x10
a) CHICOOH (aq)
b) H(aq)
H- (aq)
• CHICOO- (aq)
H₂S (aq)
K=10x10
+
HS
Which of the above reactions would have the greatest amount of products present at
equilibrium compared to reactants?
For the reaction:
Na (g) + 3 M₂ (g)
2NHs (g) + 92k
at an equilibrium temperature of 1000°C, a 1.00 L flask contains 0.120 moles of
ammonia, 1.03 moles of nitrogen and 1.62 moles of hydrogen. Calculate the
equilibrium constant at this temperature.
7. At equilibrium at 1120°C the concentration of the reactants and products are found to
be CO=0.010M, H₂O- 0.020M, CO₂-0.010M, and H₂=0.010M. For the following
reaction, does the equilibrium favour the formation of the products or the reactants?
CO (g) H₂0 (g) H₂(g) + CO₂(g)
For the following reaction at equilibrium at 2000°C, K=1.6 x 10¹.
2 NO(g) N (g) 0: (g)
The concentration of NO is 0.13 mol/L. If the concentrations of Na and O₂ are equal,
calculate the concentration of N₂.
Consider the reaction: 2 IFs (g) + laF2 (g)
31 (g) 6 F2 (g)
6.0 mol of IFs and 8.0 mol of 1.F2 are placed in a 5.0 L container. At equilibrium,
6.0 mol of Fa are present.
Calculate K for this reaction.
For the reaction: 250 (g)
At equilibrium, [0₂] = 0.30 M.
placed in the container?
250: (g) 0: (g)
K=0.2
What was the initial concentration of SO, that was
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