Chemical Engineering Thermodynamics
When a gas is subjected to adiabatic expansion, it gets cooled due to

Decrease in temperature
Decrease in velocity
Decrease in kinetic energy
Energy spent in doing work

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Chemical Engineering Thermodynamics
Absolute zero temperature signifies the

None of these
Temperature of the heat reservoir to which a Carnot engine rejects no heat
Minimum temperature attainable
Temperature of the heat reservoir to which a Carnot engine rejects all the heat that is taken in

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Chemical Engineering Thermodynamics
In the reaction, H₂ +I₂ ⇋ 2HI, addition of an inert gas will

Increase the total pressure and hence shift the equilibrium towards the right
Increase the partial pressure of I₂
Increase the partial pressure of H₂
Not effect the equilibrium conditions

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