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5 Written questions

5 Matching questions

  1. Thermochemistry
  2. Specific Heat
  3. calorie
  4. Molar Enthalpy of vaporization
  5. Law of Conservation of Energy
  1. a the heat required to vaporize one mole of a liquid
  2. b in any chemical reaction or physical process, energy can be converted from one form to another, but it is neither created nor destroyed
  3. c amount of heat required to raise the temperature of one gram of pure water by one degree Celsius
  4. d amount of heat required to raise the temp of one gram of that substance by one degree Celsius
  5. e the study of heat changes that accompany chemical reactions and phase changes

5 Multiple choice questions

  1. the specific part of the universe that contains the reaction or process that you wish to study
  2. energy that is in the process of flowing from a warmer object to a cooler object.
  3. SI unit of heat and energy (.2390 cals)
  4. heat content of a system at a constant pressure.
  5. states that if you can add two or more thermochemical equations to produce a final equation for a reaction, then the sum of the enthalpy changes for the individual reactions is the enthalpy change for the final reaction

5 True/False questions

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


  2. Chemical Potential Energyenergy stored in a compound because of its composition


  3. Enthalpy of combustionthe change in enthalpy for a reaction


  4. Standard enthalpy of formationΔHf° 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


  5. Free Energyability to do work or produce heat


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