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Chemical Engineering Thermodynamics

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

Has same volume
May contract or expand
Contracts
Expands

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Chemical Engineering Thermodynamics
An isolated system can exchange __________ with its surroundings.

Energy
Both matter and energy
Neither matter nor energy
Matter

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Chemical Engineering Thermodynamics
When a gas in a vessel expands, its internal energy decreases. The process involved is

Reversible
Isothermal
Irreversible
Adiabatic

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Chemical Engineering Thermodynamics
1m³ of an ideal gas at 500 K and 1000 kPa expands reversibly to 5 times its initial volume in an insulated container. If the specific heat capacity (at constant pressure) of the gas is 21 J/mole . K, the final temperature will be

154 K
174 K
274 K
35 K

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Chemical Engineering Thermodynamics
Change of heat content when one mole of compound is burnt in oxygen at constant pressure is called the

Heat of combustion
Heat of formation
Heat of reaction
Calorific value

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Chemical Engineering Thermodynamics
Air enters an adiabatic compressor at 300K. The exit temperature for a compression ratio of 3, assuming air to be an ideal gas (Y = Cp/Cv = 7/5) and the process to be reversible, is

300(32/7)
300(33/5)
300(35/7)
300(33/7)

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