17. Which of the following would have a zero AH? A) Hg(g) B) F(g) C) N2(g) D) He(1) E) 12(g)

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
Chapter5: Gases
Section: Chapter Questions
Problem 116E
icon
Related questions
Question
17. Which of the following would have a zero AH°?
A) Hg(g)
B) F(g)
C) N2(g)
D) He(1)
E) 12(g)
18. A sample of helium gas occupies a sealed container. What would happen to the volume if the pressure
was halved at a constant temperature?
A) volume would increase by 12
B) volume would double
C) volume would decrease by ½
D) volume would decrease by
E) volume would decrease by some other factor
19. Which of the following processes always results in a decrease in the energy of a system(AE)?
A) The system loses heat and does work on the surroundings.
E)
B) The system gains heat and has work done on it by the surroundings.
C) The system gains heat and does work on the surroundings.
D) The system loses heat and has work done on it by the surroundings.
E) None of these is always true.
20. A sample of chlorine vapor has a density of 3.60 g/L at a temperature of -15.0°C. Calculate the
pressure of the chlorine vapor at these conditions. PV =nRT (R = 0.0821 L*atm/mol*K)
A) 47.5 torr
E) 4585 torr
B) 1635 torr
C) 442 torr
D) 817 torr
Transcribed Image Text:17. Which of the following would have a zero AH°? A) Hg(g) B) F(g) C) N2(g) D) He(1) E) 12(g) 18. A sample of helium gas occupies a sealed container. What would happen to the volume if the pressure was halved at a constant temperature? A) volume would increase by 12 B) volume would double C) volume would decrease by ½ D) volume would decrease by E) volume would decrease by some other factor 19. Which of the following processes always results in a decrease in the energy of a system(AE)? A) The system loses heat and does work on the surroundings. E) B) The system gains heat and has work done on it by the surroundings. C) The system gains heat and does work on the surroundings. D) The system loses heat and has work done on it by the surroundings. E) None of these is always true. 20. A sample of chlorine vapor has a density of 3.60 g/L at a temperature of -15.0°C. Calculate the pressure of the chlorine vapor at these conditions. PV =nRT (R = 0.0821 L*atm/mol*K) A) 47.5 torr E) 4585 torr B) 1635 torr C) 442 torr D) 817 torr
Expert Solution
steps

Step by step

Solved in 4 steps with 3 images

Blurred answer
Knowledge Booster
Thermodynamics
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.
Recommended textbooks for you
Chemistry
Chemistry
Chemistry
ISBN:
9781305957404
Author:
Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning
Chemistry
Chemistry
Chemistry
ISBN:
9781133611097
Author:
Steven S. Zumdahl
Publisher:
Cengage Learning
Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
Chemistry
ISBN:
9781305079373
Author:
William L. Masterton, Cecile N. Hurley
Publisher:
Cengage Learning
Introductory Chemistry: A Foundation
Introductory Chemistry: A Foundation
Chemistry
ISBN:
9781337399425
Author:
Steven S. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning
Chemistry: An Atoms First Approach
Chemistry: An Atoms First Approach
Chemistry
ISBN:
9781305079243
Author:
Steven S. Zumdahl, Susan A. Zumdahl
Publisher:
Cengage Learning
World of Chemistry, 3rd edition
World of Chemistry, 3rd edition
Chemistry
ISBN:
9781133109655
Author:
Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste
Publisher:
Brooks / Cole / Cengage Learning