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11. Instead of using a water bath, ____________________ calorimetry measures the energy of the reactants in an insulating vessel.

12. According to ____________________, the overall enthalpy change in a reaction is equal to the sum of the enthalpy changes of individual steps.

13. The standard enthalpy of formation of a(n) ____________________ is equal to zero.

14. In the Gibb’s energy equation, ____________________ is the symbol for entropy.

15. The driving force of a reaction is the change in ____________________.

16. The symbol for the change in Gibbs energy is ____________________.

17. Entropy is expressed in units of ____________________.

18. The quantity that predicts whether a reaction is spontaneous is ____________________.