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Chemical Engineering Thermodynamics

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

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Chemical Engineering Thermodynamics
Consider the reaction, C + O₂ ⇋ CO₂ ;ΔH = - 94 kcal. What will be the value of ΔH for the reaction CO₂ → C + O₂?

< -94 kcal
-94 kcal
+ 94 kcal
> 94 kcal

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Chemical Engineering Thermodynamics
The standard state of a gas (at a given temperature) is the state in which fugacity is equal to

Neither A nor B
Activity
Unity
Both A & B

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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

274 K
35 K
174 K
154 K

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Chemical Engineering Thermodynamics
Heating of water under atmospheric pressure is an __________ process.

Adiabatic
Isochoric
Isothermal
Isobaric

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Chemical Engineering Thermodynamics
If heat contents of CH₄, C₂H₄ and C₃H₈ are -17.9, 12.5 and -24.8 kcal/mole respectively, than ΔH for the reaction CH₄(g) + C₂H₄(g) ⇋ C₃H₈(g) will be __________ Kcal.

-19.4
55.2
-30.2
-55.2

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