Answer to Question #171239 in General Chemistry for Sarah

Question #171239

Are these statement True or False?


1) Both a laboratory calorimeter (which provides precise data for changes of state or chemical reactions that do not involve gases), and a bomb calorimeter (provides precise data for changes of state or chemical reactions that do involve gases), can be used to determine an enthalpy change of combustion


2) When including an enthalpy change in a thermochemical equation, the enthalpy change for an endothermic system is written on the product side



1
Expert's answer
2021-03-15T09:24:38-0400

1.False, only the bomb calorimeter can determine the enthalpy of combustion but the laboratory calorimeter applies Hess's Law.


2. False, in an endothermic reaction, energy is absorbed during the reaction and energy term is written on the reactant side.


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