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Stoichiometry

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

R
3R
2R
R/2

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Stoichiometry
A gas at 0°C was subjected to constant pressure cooling until its volume became half the original volume. The temperature of the gas at this stage will be

-136.5°K
-136.5°C
0°C
0°K

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

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

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Stoichiometry
A gas mixture contains 6 moles of H₂ and 2 moles of N₂. If the total pressure of the gaseous mixture is 4 kgf/cm² ; then the partial pressure of N₂ in the mixture will be __________ kgf/cm² .

1
2
4
8

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Stoichiometry
The molecular velocity of a real gas is proportional to (where, T = absolute temperature of the gas).

√T
1/√T
T
T²

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Stoichiometry
The number of water molecules present in a drop of water weighing 0.018 gm is 6.023 x __________

1026
1020
1019
1023

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