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Stoichiometry

Stoichiometry
Cp equals Cv at

0°C
0°F
0°R
0°K

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Stoichiometry
The density of a gas 'X' is twice that of another gas 'Y'. If the molecular weight of gas 'Y' is 'M'; then the molecular weight of the gas 'X' will be

2M
M/2
M
M/4

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Stoichiometry
The forces causing the vaporisation of liquid are derived from the Kinetic energy of translation of its molecules. The heat of vaporisation

Decreases with increasing pressure
Both B & C
Becomes zero at the critical point
Increases with pressure rise

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Stoichiometry
If the absolute temperature of an ideal gas is tripled and simultaneously the pressure is reduced to one third; then the volume of gas will

Increase nine fold
Decrease three fold
Remain unaltered
Increase three fold

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Stoichiometry
Pure oxygen is mixed with air to produce an enriched air containing 50 volume % of oxygen. The ratio of moles of air to oxygen used is

0.2
0.58
1.72
0.5

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Stoichiometry
Dissolving a solute in a solvent does not change its

Specific heat
Viscosity
None of these
Vapour pressure

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