1. Which of the following accurately describes the conditions of an isolated system? a. Both energy and matter can move into or out of the system. b. Only matter can move into or out of the system. c. Only energy can move into or out of the system. d. Neither energy nor matter can move into or out of the system. e. None of the above. 2. Which of the following accurately describes the conditions of an open system? a. Both energy and matter can move into or out of the system. b. Only matter can move into or out of the system. c. Only energy can move into or out of the system. d. Neither energy nor matter can move into or out of the system. e. None of the above. 3. Which of the following reactions is/are endothermic? Choose ALL that apply. a. C(s) + O₂(g) → CO₂(g) AH,= -394 kJ b. H₂(g) + Cl₂(g) → 2HCl(g) + 185 kJ c. AH = +33.2 kJ 30,(g) + 286 kJ → 20,(g) d. N₂(g) + 20₂(g) → 2NO(g) H₂O(s) + heat H₂O(1) 2U-"He + 24Th + heat e. 1 f.

1. Which of the following accurately describes the conditions of an isolated system? a. Both energy and matter can move into or out of the system. b. Only matter can move into or out of the system. c. Only energy can move into or out of the system. d. Neither energy nor matter can move into or out of the system. e. None of the above. 2. Which of the following accurately describes the conditions of an open system? a. Both energy and matter can move into or out of the system. b. Only matter can move into or out of the system. c. Only energy can move into or out of the system. d. Neither energy nor matter can move into or out of the system. e. None of the above. 3. Which of the following reactions is/are endothermic? Choose ALL that apply. a. C(s) + O₂(g) → CO₂(g) AH,= -394 kJ b. H₂(g) + Cl₂(g) → 2HCl(g) + 185 kJ c. AH = +33.2 kJ 30,(g) + 286 kJ → 20,(g) d. N₂(g) + 20₂(g) → 2NO(g) H₂O(s) + heat H₂O(1) 2U-"He + 24Th + heat e. 1 f.

Introductory Chemistry: A Foundation

9th Edition

ISBN:9781337399425

Author:Steven S. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Donald J. DeCoste

Chapter10: Energy

Section: Chapter Questions

Problem 66AP

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