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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
Pick out the correct equation relating 'F' and 'A'.

F = A + TS
F = A + PV
F = E + A
F = A - TS

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Chemical Engineering Thermodynamics
Isotherm on an enthalpy-concentration diagram, for an ideal solution will be a

Hyperbola
Sine curve
Straight line
Parabola

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Chemical Engineering Thermodynamics
Which of the following equations is obtained on combining 1st and 2nd law of thermodynamics, for a system of constant mass?

DQ = CpdT + Vdp
DE = Tds - PdV
DQ = CvdT + PdV
Tds = dE - PdV

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Chemical Engineering Thermodynamics
Refrigerants commonly used for domestic refrigerators are

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

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Chemical Engineering Thermodynamics
A gas has a volume of 27.3 c.c. at 0°C. Its volume at 10°C (if pressure remains unchanged) will be __________ c.c.

2.73
28.3
283
273

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Chemical Engineering Thermodynamics
Any substance above its critical temperature exists as

Saturated vapour
Gas
Liquid
Solid

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