A chemical engineer is studying the rate of this reaction.2503 (g) → 2s0, (g) +O2 (g)She fills a reaction vessel with SOą and measures its concentration as the reaction proceeds. Here's a graph of her data:0.8-0.6-0.4-0.2-0.020.040.060.080.10t (seconds)Use this graph to answer the following questions:What is the half life of the reaction?'1/2 = 0sx10Round your answer to 2 significant digits.(w)[*os] Suppose the rate of the reaction is known to be first order inSO3. Calculate the value of the rate constant k.Round your answer to 2 significant digits. Also be sure youinclude the correct unit symbol.Predict the concentration of SO, in the engineer's reactionvessel after 0.200 seconds have passed.[so,] = OMAssume no other reaction is important, and continue toassume the rate is first order in SO3.Round your answer to 2 significant digits.

Question
Asked Feb 3, 2020
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Finding half life and rate constant from a graph of concentration versus time. 

A chemical engineer is studying the rate of this reaction.
2503 (g) → 2s0, (g) +O2 (g)
She fills a reaction vessel with SOą and measures its concentration as the reaction proceeds. Here's a graph of her data:
0.8-
0.6-
0.4-
0.2-
0.02
0.04
0.06
0.08
0.10
t (seconds)
Use this graph to answer the following questions:
What is the half life of the reaction?
'1/2 = 0s
x10
Round your answer to 2 significant digits.
(w)[*os]
help_outline

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A chemical engineer is studying the rate of this reaction. 2503 (g) → 2s0, (g) +O2 (g) She fills a reaction vessel with SOą and measures its concentration as the reaction proceeds. Here's a graph of her data: 0.8- 0.6- 0.4- 0.2- 0.02 0.04 0.06 0.08 0.10 t (seconds) Use this graph to answer the following questions: What is the half life of the reaction? '1/2 = 0s x10 Round your answer to 2 significant digits. (w)[*os]

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Suppose the rate of the reaction is known to be first order in
SO3. Calculate the value of the rate constant k.
Round your answer to 2 significant digits. Also be sure you
include the correct unit symbol.
Predict the concentration of SO, in the engineer's reaction
vessel after 0.200 seconds have passed.
[so,] = OM
Assume no other reaction is important, and continue to
assume the rate is first order in SO3.
Round your answer to 2 significant digits.
help_outline

Image Transcriptionclose

Suppose the rate of the reaction is known to be first order in SO3. Calculate the value of the rate constant k. Round your answer to 2 significant digits. Also be sure you include the correct unit symbol. Predict the concentration of SO, in the engineer's reaction vessel after 0.200 seconds have passed. [so,] = OM Assume no other reaction is important, and continue to assume the rate is first order in SO3. Round your answer to 2 significant digits.

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Expert Answer

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Step 1

Half-life is the time required for a substance to become half of its initial concentration. Initial concentration of SO3 is 1.0 M. Hence, the time at which the concentration of SO3 becomes 0.50 M is 0.02 s.

Hence, half-life of the reaction is 0.02 s.

Step 2

Calculate the value of r...

Chemistry homework question answer, step 2, image 1
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Chemical Kinetics

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