The potential-energy diagram below describes the hypothetical reaction A+B-C + D. Assuming the y-axis label refers to the enthalpy(H) per mol, which of the following statements concerning this reaction coordinate is/are correct? 1. The forward reaction is exothermic. The forward reaction rate is proportional to the change in enthalpy (AH) of the 2. forward reaction. E (forward)-E,(reverse) is equal to the change in enthalpy (AH) of the forward 3 Energy per mol- reaction. n Progress of reaction- O 1, 2, and 3 O1 and 3 O 3 only O1 only O 2 only C+D k
The potential-energy diagram below describes the hypothetical reaction A+B-C + D. Assuming the y-axis label refers to the enthalpy(H) per mol, which of the following statements concerning this reaction coordinate is/are correct? 1. The forward reaction is exothermic. The forward reaction rate is proportional to the change in enthalpy (AH) of the 2. forward reaction. E (forward)-E,(reverse) is equal to the change in enthalpy (AH) of the forward 3 Energy per mol- reaction. n Progress of reaction- O 1, 2, and 3 O1 and 3 O 3 only O1 only O 2 only C+D k
Introductory Chemistry: An Active Learning Approach
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Author:Mark S. Cracolice, Ed Peters
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Chapter18: Chemical Equilibrium
Section: Chapter Questions
Problem 18.4TC: a What happens to a reaction rate as temperature drops? Give two explanations for the change. State...
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Transcribed Image Text:The potential-energy diagram below describes the hypothetical reaction A+B C+D. Assuming the y-axis label refers to the enthalpy(H) per mol, which of the following statements concerning this
reaction coordinate is/are correct?
1. The forward reaction s exothermic.
The forward reaction rate is proportional to the change in enthalpy (AH) of the
2.
forward reaction.
Energy per mol-
E (forward)-E (reverse) is equal to the change in enthalpy (AH) of the forward
3.
reaction.
A+B
Progress of reaction -
O 1, 2, and 3
C+D
O1 and 3
O 3 only
O1 only
O 2 only
k
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