The decomposition of HCO₂H follows first-order kinetics.HCO₂H(g)→→→→→→→ CO₂(g) + H₂(g)The half-life for the reaction at a certain temperature is 41 seconds. How many seconds are needed for the formic acid concentration to decrease by 70%?O99 SO 41 SO 71 sO251 sO 21 s For the second-order reaction below, the concentration of the product, B, after 567 seconds is 0.0829 M. If no B is initially present, and the initial concentration of A is 0.676 M, what is the rate constant?2A B Rate = k[A]²O 4.96x10-4 M-1s-1O 9.40x10³ M-1-1O 1.29x10-3 M-1S-1O 8.48x10-4 M-15-1O 94.0 M-1s-1

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The decomposition of HCO₂H follows first-order kinetics. HCO₂H(g) →→→→→→→ CO₂(g) + H₂(g) The half-life for the reaction at a certain temperature is 41 seconds. How many seconds are needed for the formic acid concentration to decrease by 70%? O99 S O 41 S O 71 s O251 s O 21 s

The decomposition of HCO₂H follows first-order kinetics. HCO₂H(g) →→→→→→→ CO₂(g) + H₂(g) The half-life for the reaction at a certain temperature is 41 seconds. How many seconds are needed for the formic acid concentration to decrease by 70%? O99 S O 41 S O 71 s O251 s O 21 s

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

The decomposition of HCO₂H follows first-order kinetics.
HCO₂H(g)→→→→→→→ CO₂(g) + H₂(g)
The half-life for the reaction at a certain temperature is 41 seconds. How many seconds are needed for the formic acid concentration to decrease by 70%?
O99 S
O 41 S
O 71 s
O251 s
O 21 s

For the second-order reaction below, the concentration of the product, B, after 567 seconds is 0.0829 M. If no B is initially present, and the initial concentration of A is 0.676 M, what is the rate constant?
2A B Rate = k[A]²
O 4.96x10-4 M-1s-1
O 9.40x10³ M-1-1
O 1.29x10-3 M-1S-1
O 8.48x10-4 M-15-1
O 94.0 M-1s-1

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