Other questions in this quiz

2. Enthalpies of formation of elements in their standard states are equal to zero?

  • True
  • False

3. Hess' Law provides a method for finding an enthalpy change...

  • Faster
  • Directly
  • Indirectly
  • More accurately

4. Hess' Law states...

  • if a reaction can take place by more than one route and the initial and final conditions are the same, the total enthalpy change is the same for each route
  • if the reaction can take place by more than one route and the initial and final Hess' are the same, the total enthalpy change is the same for each route
  • if the reaction can take place by more than one route and the initial and final temperatures are the same, the total enthalpy change is the same for each route
  • if the reaction can take place by more than one route and the initial and final masses are the same, the total enthalpy change is the same for each route

5. Which of the following is an example of an exothermic situation?

  • Sweat evaporating from your forehead
  • A log burning in the fireplace
  • A chemical cold pack placed over an injured knee
  • An ice cube melting in your hand

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