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Chemical Engineering - Chemical Engineering Thermodynamics

Exercise : Chemical Engineering Thermodynamics - Section 6
36.
The amount of heat required to decompose a compound into its elements is __________ the heat of formation of that compound from its elements.
less than
more than
same as
not related to
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.
For a constant volume process
dE = CpdT
dE = CvdT
dQ = dE + pdV
dW = pdV
Answer: Option
Explanation:
No answer description is available. Let's discuss.
38.
In case of the decomposition of hydroiodic acid (2HI H2 + I2), addition of H2 (at equilibrium condition) will
increase the partial pressure of I2.
decrease the partial pressure of HI.
diminish the degree of dissociation of HI.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
39.
In any spontaneous process, the __________ free energy decreases.
Helmholtz
Gibbs
both a & b
neither 'a' nor 'b'
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
The gas law (PV = RT) is true for an __________ change.
isothermal
adiabatic
both (a) & (b)
neither (a) nor (b)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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