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Chemical Engineering - Chemical Engineering Thermodynamics

Exercise : Chemical Engineering Thermodynamics - Section 11
21.
In the reaction, C + O2 CO2 ; ΔH = - 94 kcal. What is the heat content (enthalpy)of O2?
-94 kcal
> -94 kcal
< - 94 kcal
zero
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
For a constant volume process __________ by the system is used only to increase the internal energy.
heat absorbed
work done
both (a) & (b)
neither (a) nor (b)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
When a system is in equilibrium for all possible processes, the differential or finite change of entropy is
< 0
> 0
= 0
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
A system is said to be at equilibrium, if the entropy of the system has reached __________ value.
minimum
zero
maximum
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
In the equation, PVn = constant, if the value of n = ± ∞, then it represents a reversible __________ process.
adiabatic
isometric
isentropic
isothermal
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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