When formic acid is heated, it decomposes to hydrogen and carbon dioxide in a first-order decay: HCOOH(g) →CO₂(g) + H₂ (9) The rate of reaction is monitored by measuring the total pressure in the reaction container. Time (s)... P (torr) 0....... 220 50 100 150 200 250 ******* 300..... At the start of the reaction (time=0), only formic acid is present. What is the formic acid pressure (in torr) when the total pressure is 245? Hint: use Dalton's law of partial pressure and the reaction stoichiometry. Answer: 324 379 408 423 431 435 What is the rate constant (in s)? (To determine the rate, you must use a reactant concentration or pressure. Use the procedure of in the previous question to determine the HCOOH pressure as a function of the total pressure.) Answer: What is the half-life (in s)? Answer:
When formic acid is heated, it decomposes to hydrogen and carbon dioxide in a first-order decay: HCOOH(g) →CO₂(g) + H₂ (9) The rate of reaction is monitored by measuring the total pressure in the reaction container. Time (s)... P (torr) 0....... 220 50 100 150 200 250 ******* 300..... At the start of the reaction (time=0), only formic acid is present. What is the formic acid pressure (in torr) when the total pressure is 245? Hint: use Dalton's law of partial pressure and the reaction stoichiometry. Answer: 324 379 408 423 431 435 What is the rate constant (in s)? (To determine the rate, you must use a reactant concentration or pressure. Use the procedure of in the previous question to determine the HCOOH pressure as a function of the total pressure.) Answer: What is the half-life (in s)? Answer:
Chemistry
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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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Transcribed Image Text:When formic acid is heated, it decomposes to hydrogen and carbon dioxide in a first-order decay:
HCOOH(g) →CO₂(g) + H₂ (9)
The rate of reaction is monitored by measuring the total pressure in the reaction container.
Time (s)... P (torr)
.220
******
50
W
100
150
200
250
www.
300.......435
At the start of the reaction (time=0), only formic acid is present. What is the formic acid pressure (in torr) when the total
pressure is 245 ? Hint: use Dalton's law of partial pressure and the reaction stoichiometry.
Answer:
324
379
408
423
431
What is the rate constant (in s1)? (To determine the rate, you must use a reactant concentration or pressure. Use the procedure of in
the previous question to determine the HCOOH pressure as a function of the total pressure.)
Answer:
What is the half-life (in s)?
Answer:
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