A chemistry graduate student is studying the rate of this reaction: 2H1 (g) H₂(g) + 1₂ (g) He fills a reaction vessel with HI and measures its concentration as the red on proceeds: time (minutes) 0 1.0 2.0 [HI] 0.0300 M 0.0198 M 0.0130 M 3.0 0.00858 M 4.0 0.00565 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 & 0-1² o x?

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Chapter1: Chemical Foundations
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A chemistry graduate student is studying the rate of this reaction:
2HI (g) → H₂(g) + 1₂ (g)
He fills a reaction vessel with HI and measures its concentration as the re do on
proceeds:
time
(minutes)
0
1.0
2.0
[HI]
0.0300 M
0.0198 M
0.0130 M
3.0 0.00858 M
4.0 0.00565 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-0
0x100
x ?
3
Transcribed Image Text:A chemistry graduate student is studying the rate of this reaction: 2HI (g) → H₂(g) + 1₂ (g) He fills a reaction vessel with HI and measures its concentration as the re do on proceeds: time (minutes) 0 1.0 2.0 [HI] 0.0300 M 0.0198 M 0.0130 M 3.0 0.00858 M 4.0 0.00565 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-0 0x100 x ? 3
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