Question

shly baked pie is placed near an open window to cool. Which of the following statements best situation? this a. The pic is the surroundings and loses heat to the system. b. The pic is the system and loses heat to the surroundings c. The pie is the surroundings and gains heat from the system. d. The pic is the surroundings and neither gains nor loses heat. e. The pie is the system and gains heat from the surroundings. 7. A 350.0 gram sample of copper is initially at 25.0°C, and it absorbs 12.50 kJ of heat from its surroundings. What is its final temperature? (specific heat=0.387 Jg'ºc' for copper) a. 92.2°C b. 38.8°C c. 117.3°C d. 67.2°C e. 156.7°C 8. During an endothermic chemical reaction, a. the system becomes cooler, and the chemical substances undergo a decrease in potential energy. b. the system becomes cooler, and the chemical substances undergo an increase in potential energy. c. the system becomes warmer, and additional heat is gained from the surroundings. d. the system becomes warmer, and the chemical substances undergo an increase in potential energy. e the system becomes warmer, and the chemical substances undergo a decrease in potential energy.

Answer 1

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