Give reason for the following: (a) Neither q nor w is a state function but q + w is a state function. (b) A real crystal has more entropy than an ideal crystal.

Question

TextEntropy as Measure of DisorderThermodynamic State Variables

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Predict in which of the following, entropy increases/decreases :

Choose the correct answer. A thermodynamic state function is a quantity

For an isolated system, ∆U = 0, what will be ∆S ?

TextEntropy as Measure of Disorder

Calculate the entropy change in surroundings when 1.00 mol of H2O(l) is formed under standard conditions. ∆f H⊖ = –286 kJ mol–1.

Which of the following property cannot be used to describe the state of a system?

A thermodynamic state function is a quantity