Use this graph to answer the following questions: What is the half life of the reaction? Round your answer to 2 significant digits. Suppose the rate of the reaction is known to be first order in H3PO4. 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 H3PO4 in the engineer's reaction vessel after 7.5 seconds have passed. W Assume no other reaction is important, and continue to assume the rate is first order in H3PO4- Round your answer to 2 significant digits. 1/2 = Os S k = [H₂PO₂] = M

Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
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Chapter11: Chemical Kinetics: Rates Of Reactions
Section: Chapter Questions
Problem 11QRT
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A chemical engineer is studying the rate of this reaction. He fills a reaction vessel with and measures its concentration as the reaction proceeds. Here's a graph of his data: 0.511.520123450 Use this graph to answer the following questions: What is the half life of the reaction? Round your answer to significant digits. Suppose the rate of the reaction is known to be first order in . Calculate the value of the rate constant . Round your answer to significant digits. Also be sure you include the correct unit symbol. Predict the concentration of in the engineer's reaction vessel after seconds have passed.
0.5
0.
t (s)
Use this graph to answer the following questions:
What is the half life of the reaction?
Round your answer to 2 significant digits.
Suppose the rate of the reaction is known to be first order in
H3PO4. 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 H3PO4 in the engineer's
reaction vessel after 7.5 seconds have passed.
W
Assume no other reaction is important, and continue to
assume the rate is first order in H3PO4.
Round your answer to 2 significant digits.
Explanation
Check
1/2 = 0s
= 0
[H₂PO₂] = M
k =
Q
U
O
D'
x10
ロ・ロ
X
2
4
O
K
S
O 2022 McGraw Hill LLC. All Ri
C
Transcribed Image Text:0.5 0. t (s) Use this graph to answer the following questions: What is the half life of the reaction? Round your answer to 2 significant digits. Suppose the rate of the reaction is known to be first order in H3PO4. 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 H3PO4 in the engineer's reaction vessel after 7.5 seconds have passed. W Assume no other reaction is important, and continue to assume the rate is first order in H3PO4. Round your answer to 2 significant digits. Explanation Check 1/2 = 0s = 0 [H₂PO₂] = M k = Q U O D' x10 ロ・ロ X 2 4 O K S O 2022 McGraw Hill LLC. All Ri C
O KINETICS AND EQUILIBRIUM
Finding half life and rate constant from a graph of concentration...
A chemical engineer is studying the rate of this reaction.
2H₂PO4 (aq) → P₂O5 (aq) + 3H₂O (aq)
He fills a reaction vessel with H3PO4 and measures its concentration as the reaction proceeds. Here's a graph of his data:
2-
1.5-
(w) ['od³H]
0.5-
0-
t (s)
Use this graph to answer the following questions:
What is the half life of the reaction?
Explanation
Check
D
Transcribed Image Text:O KINETICS AND EQUILIBRIUM Finding half life and rate constant from a graph of concentration... A chemical engineer is studying the rate of this reaction. 2H₂PO4 (aq) → P₂O5 (aq) + 3H₂O (aq) He fills a reaction vessel with H3PO4 and measures its concentration as the reaction proceeds. Here's a graph of his data: 2- 1.5- (w) ['od³H] 0.5- 0- t (s) Use this graph to answer the following questions: What is the half life of the reaction? Explanation Check D
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