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5 Written questions

5 Matching questions

  1. Surroundings
  2. Spontaneous Process
  3. Joule
  4. Molar Enthalpy of Fusion
  5. Specific Heat
  1. a amount of heat required to raise the temp of one gram of that substance by one degree Celsius
  2. b heat required to melt one mole of a solid substance
  3. c everything in the universe other than the system
  4. d a physical or chemical change that occurs with no outside intervention
  5. e SI unit of heat and energy (.2390 cals)

5 Multiple choice questions

  1. balanced chemical equation that includes the physical states of all reactants and products, and the energy change, usually expressed as the change in enthalpy
  2. energy stored in a compound because of its composition
  3. energy that is in the process of flowing from a warmer object to a cooler object.
  4. measure of the disorder or randomness of the particles that make up a system
  5. insulated device used for measuring the amount of heat lost or gained during a chemical or physical process

5 True/False questions

  1. Standard enthalpy of formationheat required to melt one mole of a solid substance

          

  2. Systemenergy that is in the process of flowing from a warmer object to a cooler object.

          

  3. Thermochemistrybalanced chemical equation that includes the physical states of all reactants and products, and the energy change, usually expressed as the change in enthalpy

          

  4. Enthalpy of combustionof a substance is the enthalpy change for the complete burning of one mole of the substance

          

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