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Stoichiometry

Stoichiometry
Cp - Cv, for an ideal gas is equal to

2R
R/2
R
3R

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Stoichiometry
The most convenient way of expressing solution concentration is in terms of

Molality
Normality
Molarity
Mole fraction

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Stoichiometry
If a solution of eutectic composition is cooled, __________ reaching the eutectic temperature.

It will not solidify even on
The solvent begins to freeze out even before
It will undergo no change until
None of these

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

2R
R
1.5 R
3R

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Stoichiometry
The effect of pressure on the heat capacity of the gases __________ is negligible.

Both A & B
Neither A nor B
At pressure below one atmosphere
Below the critical temperature

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Stoichiometry
No cooling occurs, when an ideal gas undergoes unrestrained expansion, because the molecules

Do work equal to loss in kinetic energy
Collide without loss of energy
Are above the inversion temperature
Exert no attractive force on each other

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