Attempt
https://scholar.uh.edu/webct/urw/lc305051878.tp305053160/ViewStudent...
View iew Attempt 3 of unlimited
Title: Started: Submitted: Time spent: Chapter 17(1) October 16, 2009 10:21 PM October 16, 2009 10:52 PM 00:31:29 Total score adjusted by 0.0 Maximum possible score: 12
Total score: 8/12 = 66.67% 1. MAE 6
When the following equation is balanced using the smallest possible integers, what is the exponent of H2SO4 in the reaction quotient expression? H2O(l) + SO3(g) <=> H2SO4(aq)
Student Response 1. 1 Score: 1/1
Value 100%
Correct Answer Equals 1 (100%)
2.
MAE 10 When the following equation is balanced using the smallest possible integers, what is the exponent of H2O in the reaction quotient expression? Al(s) + NaOH(aq) + H2O(l) <=> Na[Al(OH)4](aq) + H2(g)
Student Response 1. 6
Value 0%
Correct Answer Equals 0 (100%) Equals zero (100%)
Score:
0/1
3.
Chapter 9 Q 99 Consider the gas-phase reaction, Cl2(g) + Br2(g) <=> 2 BrCl(g), for which Kp = 32 at 500 K. If the mixture is analyzed and found to contain 0.37 bar of Cl2, 0.37 bar of Br2 and 2.0 bar of BrCl, describe the situation:
Student Response
Value
Correct Answer
Feedback
1. Q < K and 0% more reactants will be made to reach equilibrium.
of 5
16-Oct-09 10:53 PM
iew Attempt
https://scholar.uh.edu/webct/urw/lc305051878.tp305053160/ViewStudent...
2. Q < K and 100% more products will be made to reach equilibrium. 3. Q > K and 0% more reactants will be made to reach equilibrium. 4. Q > K and 0% more products will be made to reach equilibrium. 5. Within 1 0% decimal place, Q = K and the reaction is at equilibrium Score: 1/1
4.
Chapter 9 Q 85 Consider the gas-phase reaction, Cl2(g) + Br2(g) <=> 2 BrCl(g), for which Kp = 32 at 500 K. If the mixture is analyzed and found to contain 0.8 bar of Cl2, 0.6 bar of Br2 and 3.9 bar of BrCl, describe the situation:
Student Response
Value
Correct Answer
Feedback
1. Q < K and 0% more reactants will be made to reach equilibrium. 2. Q < K and more products will be made to 100%
of 5
16-Oct-09 10:53 PM
View Attempt
https://scholar.uh.edu/webct/urw/lc305051878.tp305053160/ViewStudent...
reach equilibrium. 3. Q > K and 0% more reactants will be made to reach equilibrium. 4. Q > K and 0% more products will be made to reach equilibrium. 5. Within 1 0% decimal place, Q = K and the reaction is at equilibrium Score: 0/1
5.
Chapter 9 Change K 32 At a certain temperature, Kp for the reaction, F2(g) <=> 2 F(g) is 7,743. Calculate the value of Kp for the reaction, 1/2 F2(g) ) <=> F(g)
Student Response Answer 88 Score: 1/1
Value Answer 100%
Correct 88
6.
Kp to Kc 1 Calculate Kc for the following reaction, H2(g) + I2(g) <=> 2 HI(g); Kp = 19.61 at 25.0 o C
Student Response Answer 19.61 Score: 1/1
Value 100%
Correct Answer 19.6
3 of 5
16-Oct-09 10:53 PM
iew Attempt
https://scholar.uh.edu/webct/urw/lc305051878.tp305053160/ViewStudent...
7.
Kc to Kp 2 Calculate Kp for the following reaction: 3 O2(g) <=> 2 O3; Kc = 682.37 at 485 o C Give your answer to 3 significant figures
Student Response Answer 11.0 Score: 1/1
Value 100%
Correct Answer 10.96
8.
Type 1 2 In an experiment to study the formation of HI(g), H2(g) + I2(g) <=> 2 HI(g) At equilibrium, [H2] = 0.629, [I2] = 0.407 and [HI] = 0.048. Calculate the value of Kc. Give your answer to 3 significant figures.
Student Response Answer .00900 Score: 1/1
Value 100%
Correct Answer 0.009
9.
Equilibrium Calculation 2 5 At a given temperature, 2.89 atm of F2 and 3.97 atm of Br2 are mixed and allowed to come to equilibrium. The equilibrium pressure of BrF is found to be 1.895 atm. Calculate Kp for the reaction at this temperature. F2(g) + Br2(g) <=> 2 BrF(g)
Student Response Answer .612 Score: 1/1
Value 100%
Correct Answer 0.612
10. Type 3 3 Ammonium carbamate (NH2COONH4) is found in the blood and urine of mammals. At a temperature of 416 K, Kc = 0.055 for the following equilibrium: NH2COONH4(s) <=> 2 NH3(g) + CO2(g). If 10.2 g of ammonium carbamate is introduced into a 0.500 L container, what is the total pressure inside the container at equilibrium? Give your answer to 3 significant figures
of 5
16-Oct-09 10:53 PM
View Attempt
https://scholar.uh.edu/webct/urw/lc305051878.tp305053160/ViewStudent...
Student Response Answer 730 Score: 0/1
Value 0%
Correct Answer 24.55
11. Type 2 4 Mustard gas, S(CH2CH2Cl)2 can be made at room temperature as shown: SCl2(g) + 2 C2H4(g) <=> S(CH2CH2Cl)2(g) In a particular experiment, 0.287 M of SCl2 and 0.554 M C2H4 were mixed. At equilibrium, [S(CH2CH2Cl)2(g)] was 0.213 M. Calculate the value of Kc for the reaction. Give your answer to 3 significant figures.
Student Response Answer 176 Score: 1/1
Value 100%
Correct Answer 175.68
12. Combining Equations 1 In combustion studies of the use of H2 at an alternative fuel, HO is sometimes formed in flames by the reaction, H(g) + 1/2 O2(g) <=> HO(g) Use the data below to calculate the value of Kc H2(g) <=> 2 H(g) Kc = 0.00858 1/2 H2(g) + 1/2 O2(g) <=> OH Kc = 0.455 Give your answer to 3 significant figures
Student Response Answer 26.5 Score: 0/1
Value 0%
Correct Answer 4.912
Done
5 of 5
16-Oct-09 10:53 PM