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Stoichiometry

Stoichiometry
Except for monoatomic gases, the molal heat capacity at constant volume for all gases is __________ Kcal/Kg mole.° K.

< 3
> 3
3
< 1

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Stoichiometry
In a mixture of benzene vapor and nitrogen gas at a total pressure of 900 mm Hg, if the absolute humidity of benzene is 0.2 kg benzene/kg nitrogen, the partial pressure of benzene in mm Hg is

60.3
180
200
720

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Stoichiometry
Average molecular weight of air is about

29
23
79
21

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Stoichiometry
The molecules of a liquid which is in equilibrium with its vapor at its boiling point on an average have equal __________ in the two phases.

Kinetic energy
Potential energy
Total energy
Intermolecular forces

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Stoichiometry
Atmospheric pressure corresponds to a hydrostatic head of

34 ft ofH₂O
13.6 metres of Hg
13.6 cms of Hg
1 metre of H₂O

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Stoichiometry
Sometimes, in chemical processes, a part of the outlet stream is rejected as waste in order to keep the impurity level in the system within limits. This phenomenon is termed as the

Purging
Bypassing
Recirculation
Recycling

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