Q1) At what temperature does the reaction become spontaneous? a. 550°C b. 600°C c. 650°C d. 250°C e. 850°C Q2) At which temperature the Gibbs free energy is negative? a. 400°C b. 550°C c. 800°C d. 500°C e. 300°C
Q1) At what temperature does the reaction become spontaneous? a. 550°C b. 600°C c. 650°C d. 250°C e. 850°C Q2) At which temperature the Gibbs free energy is negative? a. 400°C b. 550°C c. 800°C d. 500°C e. 300°C
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Question
![Exercise Use IF-test function to state whether a reaction temperature make a system
spontaneous or non-spontaneous.
CaCO2(s)
CaO(s)+CO2(g)
AH = 140 kJ/mol, AS = 161 J/K
Temp. (°C) Temp. (K) spont. vs. non-spont.
250
300
350
400
450
500
550
600
650
700
750
800
850
Hints:
1. AGAH-T AS
= IF (AG°<0, "spontaneous", "non-spontaneous")
Q1) At what temperature does the reaction become spontaneous?
a. 550°C b. 600°C c. 650°C d. 250°C e. 850°C
hap Q2) At which temperature the Gibbs free energy is negative?
a. 400°C b. 550°C c. 800°C d. 500°C e. 300°C](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F17f4e558-bd8e-444a-a0a2-9c278567174e%2F3a8abc5d-b0e2-4ef5-87d6-c8532db17145%2Fm2nh97r_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Exercise Use IF-test function to state whether a reaction temperature make a system
spontaneous or non-spontaneous.
CaCO2(s)
CaO(s)+CO2(g)
AH = 140 kJ/mol, AS = 161 J/K
Temp. (°C) Temp. (K) spont. vs. non-spont.
250
300
350
400
450
500
550
600
650
700
750
800
850
Hints:
1. AGAH-T AS
= IF (AG°<0, "spontaneous", "non-spontaneous")
Q1) At what temperature does the reaction become spontaneous?
a. 550°C b. 600°C c. 650°C d. 250°C e. 850°C
hap Q2) At which temperature the Gibbs free energy is negative?
a. 400°C b. 550°C c. 800°C d. 500°C e. 300°C
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