Question 1 The multivariable calculus exact differential property is significant in thermodynamic relations for development of Maxwell relations from fundamental functions. A) Define the following: ? i) Thermodynamic relations [2 ma ii) Thermodynamic fundamental functions [2 ma B) What is the importance of Maxwell relations? [2 mai C) Prove that the ideal gas Equation of State (EOS) expressed either as volumetric or press explicit EOS satisfies the multivariable calculus reciprocity relation [4 mar 72 D) The 1st Law of thermodynamics for a closed PVT system (1 phase and 1 component) | undergoing a reversible process is given by: Qrev dU + PDV 7 If the internal energy, U = U (T, V), Determine (by calculation) whether entropy is a state property [10 mar ng