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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
The amount of heat required to decompose a compound into its elements is __________ the heat of formation of that compound from its elements.

More than
Less than
Not related to
Same as

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Chemical Engineering Thermodynamics
Which of the following has the least thermal efficiency?

Carnot engine
Diesel engine
Otto engine
Steam engine

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Chemical Engineering Thermodynamics
No work is done by the system, when a reaction occurs at constant

Volume
Temperature
Pressure
None of these

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Chemical Engineering Thermodynamics
First law of thermodynamics is mathematically stated as

dQ = dE + dW
dW = dQ + dE
dQ = dE - dW
dE = dQ + dW

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Chemical Engineering Thermodynamics
Heat requirement for decomposition of a compound into its elements is __________ that is evolved during the formation of that compound from its elements.

Different than
Less than
The same
Greater than

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Chemical Engineering Thermodynamics
In a working refrigerator, the value of COP is always

< 0
> 1
< 1

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