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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
__________ decreases during adiabatic throttling of a perfect gas.

Enthalpy
Temperature
Entropy
Pressure

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Chemical Engineering Thermodynamics
In an irreversible process

Tds = dE - dW = 0
DE - dW - Tds = 0
Tds - dE + dW< 0
Tds - dT + dW< 0

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Chemical Engineering Thermodynamics
Work done may be calculated by the expression ∫p dA for __________ processes.

Neither A nor B
Adiabatic
Both A and B
Non-flow reversible

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Chemical Engineering Thermodynamics
The root mean square speed of molecules of a gas is equal to (where, m = mass of the molecule K = Boltzman's constant, T = absolute temperature)

√(2KT/m)
3KT/m
√(3KT/m)
√(6KT/m)

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Chemical Engineering Thermodynamics
The internal energy of an ideal gas is a function of its __________ only.

Pressure
Molecular size
Volume
Temperature

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Chemical Engineering Thermodynamics
The ammonia synthesis reaction represented by N₂ + 3H₂ ⇋ 2NH₃ ; ΔH = - 22.4 kcal, is

Isothermal
Exothermic
Endothermic
Adiabatic

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