Bill, a college student, complains that he feels apprehensive and fearful most of the time but doesn't know why. without warning, sometimes his heart begins to pound, his hands get icy, and he breaks out in a cold sweat. bill most likely suffers from a/an disorder.

What accounts for an increase in the temperature of a gas that is kept at constant volume? a. energy has been removed as heat from the gas. b. energy has been added as heat to the gas. c. energy has been removed as work done by the gas. d. energy has been added as work done by the gas.