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Stoichiometry

Stoichiometry
Cv for monoatomic gases is equal to(where, R = gas constant)

1.5 R
3R
R
2R

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Stoichiometry
Viscosity of atmospheric air may be about __________ centipoise.

1.5
150
15
0.015

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Stoichiometry
Volume percent for gases is equal to the

Mole percent
Weight percent
Weight percent only for ideal gases
Mole percent only for ideal gases

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Stoichiometry
Which of the following ideal gas laws are not applicable to mixture of gases ?

Boyle's law & Charle's Law
Dalton's law
Amgat's law
None of these

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Stoichiometry
The heats of vaporisation of CS₂, C₂H₅OH &H₂O are 26.8, 38.6 & 40.6 KJ/kg mole respectively. The order of decreasing inter-molecular forces in these liquids is

H₂O > CS₂ > C₂H₅OH
H₂O > C₂H₅OH > CS₂
CS₂ > C₂H₅OH > H₂O
CS₂ > H₂O > C₂H₅OH

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Stoichiometry
Roult's law is obeyed by a __________ solution.

Saturated
None of these
Molar
Normal

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