91. Absorption/evolution of heat during conversion of a substance from one allotropic form to another is termed as the heat of
92. Work done may be calculated by the expression ∫p dA for __________ processes.
93. With increase in temperature, the atomic heat capacities of all solid elements
94. When a gas is subjected to adiabatic expansion, it gets cooled due to
95. Pick out the wrong statement.
96. Generation of heat by friction is an example of a/an __________ change.
97. Rotary lime kiln is an example of a/an __________ system.
98. Sound waves propagation in air exemplifies an __________ process.
99. Which of the following exemplifies an adiabatic process?
100. 4 kg moles of an ideal gas expands in vacuum spontaneously. The work done is
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