Question

states the total change in enthalpy is independent of the pathway
the unit of measure for change in the enthalpy according to the international system of units
reaction that absorbs heat from the surrounding environment
the study of heat that accompanies chemical reactions
reaction that releases heat to the surrounding environment
the internal energy of a system that includes heat plus the product of pressure and volume

Explanation:

1. Hess's Law states that the total change in enthalpy is independent of the pathway.
2. The unit of measure for change in enthalpy in the International System of Units is the Joule.
3. An endothermic reaction absorbs heat from the surrounding environment.
4. Thermochemistry is the study of heat that accompanies chemical reactions.
5. An exothermic reaction releases heat to the surrounding environment.
6. Enthalpy is the internal energy of a system that includes heat plus the product of pressure and volume.

Answer:

1. Hess's Law
2. Joule
3. Endothermic
4. Thermochemistry
5. Exothermic
6. Enthalpy