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5 Written questions

5 Matching questions

  1. Molar Enthalpy of vaporization
  2. Specific Heat
  3. Energy
  4. Standard enthalpy of formation
  5. Heat
  1. a the heat required to vaporize one mole of a liquid
  2. b amount of heat required to raise the temp of one gram of that substance by one degree Celsius
  3. c ability to do work or produce heat
  4. d 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
  5. e energy that is in the process of flowing from a warmer object to a cooler object.

5 Multiple choice questions

  1. SI unit of heat and energy (.2390 cals)
  2. the specific part of the universe that contains the reaction or process that you wish to study
  3. in any chemical reaction or physical process, energy can be converted from one form to another, but it is neither created nor destroyed
  4. a physical or chemical change that occurs with no outside intervention
  5. energy stored in a compound because of its composition

5 True/False questions

  1. Molar Enthalpy of Fusionheat required to melt one mole of a solid substance


  2. Enthalpy of combustionthe change in enthalpy for a reaction


  3. Surroundingseverything in the universe other than the system


  4. Enthalpy (H)heat content of a system at a constant pressure.


  5. Entropyability to do work or produce heat


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