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Chemical Engineering - Stoichiometry

Exercise : Stoichiometry - Section 6
11.
In case of a solution (not of a solid in a liquid), whose total volume is more than the sum of volumes of its components in their pure states, solubility is
independent of the temperature.
increased with the increase in pressure.
decreased with the increase in pressure.
unchanged by the pressure change.
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
Molality is defined as the number of gm moles of solute per __________ of solvent.
litre
kg
gm mole
gm
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
Saturated molal absolute humidity of the vapor-gas mixture depends upon the
vapor pressure at dry bulb temperature
total pressure
both (a) and (b)
neither (a) nor (b)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
At a constant volume, for a fixed number of moles of a gas, the pressure of the gas increases with rise of temperature due to
decrease in mean free path.
increased collision rate among molecules.
increase in molecular attraction.
increase in average molecular speed.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
'Cox' chart which is useful in the design of a distillation column (particularly suitable for petroleum hydrocarbons) is a plot of the
temperature vs. log (vapor pressure).
vapor pressure vs. log (temperature).
log (temperature) vs. log (vapor pressure).
vapor pressure vs. temperature.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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