71. Third law of thermodynamics is concerned with the
72. Second law of thermodynamics is concerned with the
73. Those solutions in which there is no volume change upon mixing the components in the liquid state and which, when diluted do not undergo any heat change (i.e. heat of dilution is zero), are called __________ solutions.
74. Internal energy change of a system over one complete cycle in a cyclic process is
75. Two substances are in equilibrium in a reversible chemical reaction. If the concentration of each substance is doubled, then the value of the equilibrium constant will be
76. Work done in case of free expansion is
77. Critical solution temperature (or the con-solute temperature) for partially miscible liquids (e.g., phenol-water) is the minimum temperature at which
78. In which of the following reaction equilibria, the value of equilibrium constant Kp will be more than is Kc?
79. As the temperature is lowered towards the absolute zero, the value of $$\left( {\frac{{\partial \Delta {\text{F}}}}{{\partial {\text{T}}}}} \right),$$ then approaches
80. Reduced pressure of a gas is the ratio of its
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