Graduate Pharmacy Aptitude Test (GPAT) 2018 Solved Paper

Question : 48 of 125

Marks: +1, -0

Which statement correctly describes Hess's Law?

The enthalpy of all reactants in their standard states is defined as zero
Enthalpy changes can be calculated only if one or more of the reactants is/are element
The enthalpy change of a reaction can be calculated only at 1‌atm pressure and 25∘C
The enthalpy change of a reaction is independent of the route of reaction

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