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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
1st law of thermodynamics is nothing but the law of conservation of

Momentum
Mass
None of these
Energy

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Chemical Engineering Thermodynamics
When a gas is expanded from high pressure region to low pressure region ; temper -ature change occurs. This phenomenon is related to the

Third law of thermodynamics
Gibbs-Duhem equation
Joule-Thomson effect
Gibbs-Helmholtz equation

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Chemical Engineering Thermodynamics
In an isothermal process on an ideal gas, the pressure increases by 0.5 percent. The volume decreases by about __________ percent.

0.5
0.25
1
0.75

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Chemical Engineering Thermodynamics
Domestic refrigerator usually works on the __________ refrigeration cycle.

Absorption
Carnot
Air
Vapour-ejection

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Chemical Engineering Thermodynamics
The rate at which a substance reacts is proportional to its active mass and the rate of a chemical reaction is proportional to the product of active masses of the reacting substances. This is the

Lewis-Randall rule
None of these
Le-Chatelier's principle
Statement of Vant-Hoff equation

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Chemical Engineering Thermodynamics
Entropy, which is a measure of the disorder of a system is

Independent of temperature
Zero at absolute zero temperature for a perfect crystalline substance
Independent of pressure
All of these

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