Consider this reaction: 2HI (g) → H₂(g) + 1₂ (g) At a certain temperature it obeys this rate law. rate = (1.06 M ¹.S¹) [HI] ² Suppose a vessel contains HI at a concentration of 0.510M. Calculate how long it takes for the concentration of HI to decrease to 0.0561 M. You may assume no other reaction is important. Round your answer to 2 significant digits.

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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Consider this reaction:
2HI (g) → H₂(g) + 1₂ (g)
At a certain temperature it obeys this rate law.
-1
2
rate = (1.06 M¹s¹) [HI] ²
S
Suppose a vessel contains HI at a concentration of 0.510M. Calculate how long it takes for the concentration of HI to decrease to 0.0561 M. You may assume
no other reaction is important.
Round your answer to 2 significant digits.
x10
X
Transcribed Image Text:Consider this reaction: 2HI (g) → H₂(g) + 1₂ (g) At a certain temperature it obeys this rate law. -1 2 rate = (1.06 M¹s¹) [HI] ² S Suppose a vessel contains HI at a concentration of 0.510M. Calculate how long it takes for the concentration of HI to decrease to 0.0561 M. You may assume no other reaction is important. Round your answer to 2 significant digits. x10 X
At a certain temperature this reaction follows first-order kinetics with a rate constant of 0.00997 s¹:
H₂CO3(aq) → H₂O (aq) + CO₂ (aq)
Suppose a vessel contains H₂CO3 at a concentration of 0.790 M. Calculate the concentration of H₂CO3 in the vessel 80.0 seconds later. You may assume no
other reaction is important.
Round your answer to 2 significant digits.
M
10
X
Transcribed Image Text:At a certain temperature this reaction follows first-order kinetics with a rate constant of 0.00997 s¹: H₂CO3(aq) → H₂O (aq) + CO₂ (aq) Suppose a vessel contains H₂CO3 at a concentration of 0.790 M. Calculate the concentration of H₂CO3 in the vessel 80.0 seconds later. You may assume no other reaction is important. Round your answer to 2 significant digits. M 10 X
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