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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
< 1
> 3

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Stoichiometry
Heat of transition is the heat evolved or absorbed, when a substance is converted from

Solid to liquid
Vapor to solid
Vapor to liquid
One allotropic form to another allotropic form

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Stoichiometry
1 gm mole of methane (CH₄) contains

3 gms of carbon
6.02 x 1023 atoms of hydrogen
3.01 x 1023 molecules of methane
4 gm atoms of hydrogen

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Stoichiometry
In a neutral solution

H⁺ ions are absent
OH⁻ ions are absent
Both H⁺ and OH⁻ ions are present in very small but equal concentration
None of these

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Stoichiometry
Internal energy of a substance comprises of the __________ energy.

Vibrational
Translational
Rotational
All of these

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Stoichiometry
If the pressure of a gas is reduced to half & its absolute temperature is doubled, then the volume of the gas will

Be reduced to l/4th
None of these
Increase four times
Increase two times

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