Chapter3: Mechanisms
Section: Chapter Questions
Problem 31EQ: The reaction just described is reversible. Deprotonation of the conjugate acid of an organic base by...
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please help with Question #3 on page 2
![(2) What effect does increasing, reaction temperature have upon the rate of reaction? (Part 2)
(3) What effect does a catalyst (e.g. Manganese (II) chloride) have upon the rate of reaction?
(4) How strongly did increasing [H+] or lowering the ph affect your reaction rate?
Many processes depend as strongly on ph as reaction 2. Acid rain, for example, decreases the ph
of environmental waters by 1.0 to 1.5 units. What effect would you expect the decrease of the ph
would have on aquatic life?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1f2fc927-9fa0-46e3-98ea-45819a76f1ba%2F9aced1e3-c27f-434c-8904-87b598725e71%2Ftuqjsyc_processed.png&w=3840&q=75)
Transcribed Image Text:(2) What effect does increasing, reaction temperature have upon the rate of reaction? (Part 2)
(3) What effect does a catalyst (e.g. Manganese (II) chloride) have upon the rate of reaction?
(4) How strongly did increasing [H+] or lowering the ph affect your reaction rate?
Many processes depend as strongly on ph as reaction 2. Acid rain, for example, decreases the ph
of environmental waters by 1.0 to 1.5 units. What effect would you expect the decrease of the ph
would have on aquatic life?
![Chem 112 - Lab Report
RATES OF REACTIONS
1. Effect of Concentration
Reaction time, Min
Mg + 1M-hcl
2.5
Mg + 0.8M-hcl
5.5
Mg + 0.6M-hcl
7.0
Mg + 0.4M-hcl
10.5
2. Effect of Temperature and Catalyst
A. Reaction at room temperature
11.0
B. Reaction at 40 °c
5.5
C. Reaction at 55 c
2.5
D. Reaction at 70 °c
1.5
E. Reaction with catalyst
0.5
3. Effect of ph
Ph of your unadjusted solution?
2.96__[H+]
Time
10.5_
Ph of adjusted solution?
_1.52_[H*]
Time
5.6_
What is the increase in [H+] between ph adjusted and unadjusted solutions?
What difference in reaction times did you observe for the above two solutions?
Summarize your results by answering the following questions. Recall that a shorter time to react
implies a faster reaction rate.
(1) What effect does increasing the concentration of a solution (hcl) have upon the rate of
Reaction? (step 1)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1f2fc927-9fa0-46e3-98ea-45819a76f1ba%2F9aced1e3-c27f-434c-8904-87b598725e71%2Fjq49658_processed.png&w=3840&q=75)
Transcribed Image Text:Chem 112 - Lab Report
RATES OF REACTIONS
1. Effect of Concentration
Reaction time, Min
Mg + 1M-hcl
2.5
Mg + 0.8M-hcl
5.5
Mg + 0.6M-hcl
7.0
Mg + 0.4M-hcl
10.5
2. Effect of Temperature and Catalyst
A. Reaction at room temperature
11.0
B. Reaction at 40 °c
5.5
C. Reaction at 55 c
2.5
D. Reaction at 70 °c
1.5
E. Reaction with catalyst
0.5
3. Effect of ph
Ph of your unadjusted solution?
2.96__[H+]
Time
10.5_
Ph of adjusted solution?
_1.52_[H*]
Time
5.6_
What is the increase in [H+] between ph adjusted and unadjusted solutions?
What difference in reaction times did you observe for the above two solutions?
Summarize your results by answering the following questions. Recall that a shorter time to react
implies a faster reaction rate.
(1) What effect does increasing the concentration of a solution (hcl) have upon the rate of
Reaction? (step 1)
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