APFIVE Hesss Law and State Functions
How does Hess’s Law demonstrate that enthalpy is a state function for a chemical reaction?
A
It proves that enthalpy changes are always exothermic in multi-step reactions
B
It illustrates that enthalpy changes are directly proportional to reaction rates
C
It demonstrates that enthalpy is conserved only in single-step reactions
D
It shows that the total enthalpy change is independent of the reaction pathway
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