Thermodynamics ...

For a reversible isothermal process in equilibrium, the entropy change is given by the expression

The approximate enthalpy of fusion of ice and the enthalpy of vaporisation of water per mole respectively are

For a reaction R₁, ∆G = x kJ mol^-1. For a reaction R₂, ∆G = y kJ mol^-1 Reaction R₁ is non-spontaneous but along with R₂ it is spontaneous. This means that

According to latest sign conventions, the correct expression representing the first law of thermodynamic is

The entropy of a perfectly crystalline solid at absolute zero is

∆G for the reaction Ag₂O → 2 Ag + 1/2 O₂ at a certain temperature is found to be – 10.0 kJ mol^-1. Which one of the following statements is correct at this tempertature?

In a change from state A to state B

For which of the following process will energy be absorbed?

For which reaction from the following, ∆S will be maximum ?

When water is added to conc. H₂SO₄ it gets very hot. This happens because dilution of conc. H₂SO₄ is