A chemistry graduate student is studying the rate of this reaction: 2SO3(g) ► 2SO₂(g) + O₂(g) - He fills a reaction vessel with SO3 and measures its concentration as the reaction proceeds: time (minutes) [SO3] 0 0.500M 10. 0.343 M 20. 0.235M 30. 0.162M 40. 0.111 M Use this data to answer the following questions. Write the rate law for this reaction. Calculate the value of the rate constant k. Round your answer to 2 significant digits. Also be sure your answer has the correct unit symbol. rate = k k = 0 x10 •■ X

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Chapter1: Chemical Foundations
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A chemistry graduate student is studying the rate of this reaction:
2SO3 (g) → 2SO₂ (g) + O₂(g)
He fills a reaction vessel with SO3 and measures its concentration as the reaction proceeds:
time
(minutes)
0 0.500M
10.
20.
[SO3]
30.
0.343 M
0.235M
0.162M
40. 0.111 M
Use this data to answer the following questions.
Write the rate law for this reaction.
Calculate the value of the rate constant k.
Round your answer to 2 significant digits. Also be
sure your answer has the correct unit symbol.
rate k
k =
=
x10
1.
X
S
Transcribed Image Text:A chemistry graduate student is studying the rate of this reaction: 2SO3 (g) → 2SO₂ (g) + O₂(g) He fills a reaction vessel with SO3 and measures its concentration as the reaction proceeds: time (minutes) 0 0.500M 10. 20. [SO3] 30. 0.343 M 0.235M 0.162M 40. 0.111 M Use this data to answer the following questions. Write the rate law for this reaction. Calculate the value of the rate constant k. Round your answer to 2 significant digits. Also be sure your answer has the correct unit symbol. rate k k = = x10 1. X S
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