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5 Written questions

5 Matching questions

  1. Spontaneous Process
  2. Universe
  3. Calorimeter
  4. Molar Enthalpy of vaporization
  5. Heat
  1. a insulated device used for measuring the amount of heat lost or gained during a chemical or physical process
  2. b system + surroundings
  3. c energy that is in the process of flowing from a warmer object to a cooler object.
  4. d a physical or chemical change that occurs with no outside intervention
  5. e the heat required to vaporize one mole of a liquid

5 Multiple choice questions

  1. energy stored in a compound because of its composition
  2. SI unit of heat and energy (.2390 cals)
  3. the study of heat changes that accompany chemical reactions and phase changes
  4. ability to do work or produce heat
  5. measure of the disorder or randomness of the particles that make up a system

5 True/False questions

  1. Law of Conservation of Energystates that spontaneous processes always proceed in such a way that the entropy of the universe increases


  2. Enthalpy of reactionof a substance is the enthalpy change for the complete burning of one mole of the substance


  3. calorieamount of heat required to raise the temperature of one gram of pure water by one degree Celsius


  4. Surroundingseverything in the universe other than the system


  5. Enthalpy of combustionthe change in enthalpy for a reaction