Stoichiometry
The heat of adsorption of a gas caused by Van der Walls forces of attraction and capillarity is equal to the heat of

Difference of A and B
Sum of A and B
Wetting
Normal condensation

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Stoichiometry
The heat capacity of a substance is

Lower for liquid state than for gaseous state
Greater for liquid state than for solid state
Equal for solid and liquid states below melting point
Higher for solid state than for liquid state

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