Chemical Engineering - Stoichiometry

26.
The heat of adsorption of a gas caused by Van der Walls forces of attraction and capillarity is equal to the heat of
normal condensation.
wetting.
sum of (a) and (b).
difference of (a) and (b).
Answer: Option
Explanation:
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27.
The pressure of 'V' litres of a dry gas is increased from 1 to 2 kgf/cm2 at a constant temperature. The new volume will become
V/2
2V
V/4
V2
Answer: Option
Explanation:
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28.
1 torr is equivalent to
1 mm Hg
1 Pascal
1 ata
1 mm wc
Answer: Option
Explanation:
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29.
Roult's law is obeyed by a __________ solution.
saturated
molar
normal
none of these
Answer: Option
Explanation:
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30.
At standard conditions,
N2 + 2O2 2NO2; ΔG° = 100 kJ/mole
NO + O2 2NO2; ΔG° = -35 kJ/mole
The standard free energy of formation of NO in kJ/mole is
15
30
85
170
Answer: Option
Explanation:
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