Consider the following decomposition reaction and corresponding rate constants, and answer the following two questions.
2 A(aq) ⇌k−1k1 B(aq) + C(aq)
Temperature
k1 (M−1 s−1)
k−1 (M−1 s−1)
1100 K
0.337
3.6×10−6
1500 K
3.48
3.1×10−4
A. What is the value of Kc at 1100 K? Enter a value accurate to three significant figures. For scientific notation, enter 1234 as 1.23e3 or 0.1234 as 1.23e−1.
B. Which of the following statements is correct.
The reaction is exothermic.
The reaction is endothermic.
There is insufficient information to tell if the reaction is endothermic or exothermic.
Consider the following decomposition reaction and corresponding rate constants, and answer the following two questions.
2 A(aq) ⇌k−1k1 B(aq) + C(aq)
| Temperature | k1 (M−1 s−1) | k−1 (M−1 s−1) |
| 1100 K | 0.337 | 3.6×10−6 |
| 1500 K | 3.48 | 3.1×10−4 |
A. What is the value of Kc at 1100 K? Enter a value accurate to three significant figures. For scientific notation, enter 1234 as 1.23e3 or 0.1234 as 1.23e−1.
B. Which of the following statements is correct.
|
The reaction is exothermic. |
||
|
The reaction is endothermic. |
||
|
There is insufficient information to tell if the reaction is endothermic or exothermic. |
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Related questions
Consider the following decomposition reaction and corresponding rate constants, and answer the following two questions.
2 A(aq) ⇌k−1k1 B(aq) + C(aq)
| Temperature | k1 (M−1 s−1) | k−1 (M−1 s−1) |
| 1100 K | 0.337 | 3.6×10−6 |
| 1500 K | 3.48 | 3.1×10−4 |
A. What is the value of Kc at 1100 K? Enter a value accurate to three significant figures. For scientific notation, enter 1234 as 1.23e3 or 0.1234 as 1.23e−1.
B. Which of the following statements is correct.
|
The reaction is exothermic. |
||
|
The reaction is endothermic. |
||
|
There is insufficient information to tell if the reaction is endothermic or exothermic. |
