1. One mole of nitrogen at 8 bar and 600 K is contained in a piston-cylinder arrangement. It is brought to 1 bar isothermally against a resisting pressure of 1 bar. The work done (in Joules) by the gas is
2. A solute distributes itself between two non-miscible solvents in contact with each other in such a way that, at a constant temperature, the ratio of its concentrations in two layers is constant, irrespective of its total amount”. This is
3. First law of thermodynamics deals with the
4. A solid is transformed into vapour without going to the liquid phase at
5. Enthalpy changes over a constant pressure path are always zero for __________ gas
6. Which one is true for a throttling process ?
7. For organic compounds, group contribution method can be used for the estimation of
8. For spontaneous changes in an isolated system (S = entropy)
9. The work done in isothermal compression compared to that in adiabatic compression will be
10. When liquid and vapour phases of one component system are in equilibrium (at a given temperature and pressure), the molar free energy is
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