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Chemical Engineering - Chemical Engineering Thermodynamics

Exercise : Chemical Engineering Thermodynamics - Section 10
16.
The second law of thermodynamics states that
the energy change of a system undergoing any reversible process is zero.
it is not possible to transfer heat from a lower temperature to a higher temperature.
the total energy of system and surrounding remains the same.
none of the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
Internal energy of an ideal gas
increases with increase in pressure.
decreases with increase in temperature.
is independent of temperature.
none of these.
Answer: Option
Explanation:
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18.
A refrigerator works on the principle of __________ law of thermodynamics.
zeroth
first
second
third
Answer: Option
Explanation:
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19.
Pick out the wrong statement.
The conversion for a gas phase reaction increases with decrease in pressure, if there is an increase in volume accompanying the reaction.
With increase in temperature, the equilibrium constant increases for an exothermic reaction.
The equilibrium constant of a reaction depends upon temperature only.
The conversion for a gas phase reaction increases with increase in pressure, if there is a decrease in volume accompanying the reaction.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
Pick out the wrong statement.
Enthalpies of all elements in their standard states are assumed to be zero.
Combustion reactions are never en-dothermic in nature.
Heat of reaction at constant volume is equal to the change in internal energy.
Claussius-clayperon equation is not applicable to melting process.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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