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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
The enthalpy change when ammonia gas is dissolved in water is called the heat of

Solution
Dilution
Formation
Combustion

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Chemical Engineering Thermodynamics
Which of the following is an extensive property of a system?

Concentration
Heat capacity
Pressure
Molal heat capacity

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Chemical Engineering Thermodynamics
Refrigerants commonly used for domestic refrigerators are

Propane
NH₃ or CO₂
Freon-12
Ethyl chloride or methyle chloride

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Chemical Engineering Thermodynamics
Water on heating from 1 to 4°C

May contract or expand
Has same volume
Expands
Contracts

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Chemical Engineering Thermodynamics
Degree of freedom of the system ice-water-vapour will be

2
0
3
1

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Chemical Engineering Thermodynamics
Third law of thermodynamics is helpful in

Prediction of the extent of a chemical reaction
Evaluating entropy changes of chemical reaction
Calculating absolute entropies of substances at different temperature
Both B and C

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