Which of the following processes shows a decrease in entropy of the system? A) CH3OH(1)→ CO(g) + 2H2(g) B) NaClO3(s) →Na+(aq) + ClO3-(aq) C) COC12(g) → CO(g) + Cl2(g) D) 2 NO(g) + O2(g) → 2 NO2(g) E) None of the above will show a decrease in entropy. Consider a reaction that has a positive AH and a positive AS. Which of the following statements is TRUE? A) This reaction will be spontaneous at all temperatures. B) This reaction will be nonspontaneous only at high temperatures. C) This reaction will be spontaneous only at high temperatures. D) This reaction will be nonspontaneous at all temperatures. E) It is not possible to determine without more information. mich of the traits below apply for the following example? (Hint: Consider your ordinary life experience.) H2O (1)→ H2O(s) a positive AH and a positive AS a negative AH and a positive AS a positive AH and a negative AS negative AH and a negative AS is not possible to determine without more information.
Which of the following processes shows a decrease in entropy of the system? A) CH3OH(1)→ CO(g) + 2H2(g) B) NaClO3(s) →Na+(aq) + ClO3-(aq) C) COC12(g) → CO(g) + Cl2(g) D) 2 NO(g) + O2(g) → 2 NO2(g) E) None of the above will show a decrease in entropy. Consider a reaction that has a positive AH and a positive AS. Which of the following statements is TRUE? A) This reaction will be spontaneous at all temperatures. B) This reaction will be nonspontaneous only at high temperatures. C) This reaction will be spontaneous only at high temperatures. D) This reaction will be nonspontaneous at all temperatures. E) It is not possible to determine without more information. mich of the traits below apply for the following example? (Hint: Consider your ordinary life experience.) H2O (1)→ H2O(s) a positive AH and a positive AS a negative AH and a positive AS a positive AH and a negative AS negative AH and a negative AS is not possible to determine without more information.
Chemistry
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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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Transcribed Image Text:4) Which of the following processes shows a decrease in entropy of the system?
A) CH3OH(1) CO(g) + 2H2(g)
B) NaClO3(s) →Na+(aq) + ClO3- (aq)
C) COC12(g) → CO(g) + Cl2(g)
D) 2 NO(g) + O2(g) → 2 NO2(g)
E) None of the above will show a decrease in entropy.
5) Consider a reaction that has a positive AH and a positive AS. Which of the following statements is TRUE?
A) This reaction will be spontaneous at all temperatures.
B) This reaction will be nonspontaneous only at high temperatures.
C) This reaction will be spontaneous only at high temperatures.
D) This reaction will be nonspontaneous at all temperatures.
E) It is not possible to determine without more information.
6) Which of the traits below apply for the following example? (Hint: Consider your ordinary life experience.)
H2O (1)→ H2O(s)
A) a positive AH and a positive AS
B) a negative AH and a positive AS
C) a positive AH and a negative AS
D) a negative AH and a negative AS
E) It is not possible to determine without more information.
3
Expert Solution
Step 1
•Entrooy is known as disorderness of system.
•Means if we goes from solid to liquid, disorderness increases so entropy increases.
•If we go from liquid to gas again entropy increases.
•If we increases number of moles of gas than again random motion of molecules increases which will result in increase in entropy.
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