81.
When dilute aqueous solutions of two salts are mixed, the process is associated with

82.
A system is said to be isopiestic, if there is no __________ change.

83.
The third law of thermodynamics states that the

84.
Cp of a gas at its critical temperature and pressure

85.
Heat of reaction at constant volume is identified with __________ change.

86.
Change of state namely evaportation condensation, freezing and melting is an __________ process.

87.
The most important application of distribution law is in

88.
The energy of activation of exothermic reaction is

89.
The equation Tds = dE - PdV applies to

90.
In vapour compression refrigeration system, if the evaporator temperature and the condenser temperatures are -13°C and 37°C respetively, the Carnot COP will be

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