A chemistry graduate student is studying the rate of this reaction: 2NH3 (g) → N₂ (g) + 3H₂(g) He fills a reaction vessel with NH3 and measures its concentration as the reaction proceeds: time (seconds) 0 0.10 [NH3] 0.800 M 0.165 M 0.20 0.0921 M 0.30 0.0639 M 0.40 0.0489 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 x10 0.0 X 5

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A chemistry graduate student is studying the rate of this reaction:
2NH3 (g) → N₂ (g) + 3H₂(g)
He fills a reaction vessel with NH3 and measures its concentration as the reaction proceeds:
time
(seconds)
0
0.10
[NH3]
0.800 M
0.165 M
0.20 0.0921 M
0.30 0.0639 M
0.40 0.0489 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
0.0
X
5
Transcribed Image Text:A chemistry graduate student is studying the rate of this reaction: 2NH3 (g) → N₂ (g) + 3H₂(g) He fills a reaction vessel with NH3 and measures its concentration as the reaction proceeds: time (seconds) 0 0.10 [NH3] 0.800 M 0.165 M 0.20 0.0921 M 0.30 0.0639 M 0.40 0.0489 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 0.0 X 5
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