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5 Written questions

5 Matching questions

  1. calorie
  2. Law of Conservation of Energy
  3. Surroundings
  4. Spontaneous Process
  5. Free Energy
  1. a amount of heat required to raise the temperature of one gram of pure water by one degree Celsius
  2. b everything in the universe other than the system
  3. c a physical or chemical change that occurs with no outside intervention
  4. d Gibbs free energy (Gsystem) - energy that is available to do work - useful energy
  5. e in any chemical reaction or physical process, energy can be converted from one form to another, but it is neither created nor destroyed

5 Multiple choice questions

  1. of a substance is the enthalpy change for the complete burning of one mole of the substance
  2. heat content of a system at a constant pressure.
  3. ΔHf° defined as the change in enthalpy that accompanies the formation of one mol of the compound in its standard state from its constituent elements in the standard states
  4. SI unit of heat and energy (.2390 cals)
  5. amount of heat required to raise the temp of one gram of that substance by one degree Celsius

5 True/False questions

  1. Molar Enthalpy of Fusionthe heat required to vaporize one mole of a liquid

          

  2. SystemSI unit of heat and energy (.2390 cals)

          

  3. Chemical Potential EnergyGibbs free energy (Gsystem) - energy that is available to do work - useful energy

          

  4. Entropyability to do work or produce heat

          

  5. Universeability to do work or produce heat

          

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