Stoichiometry
Variation of vapor pressure with temperature can be calculated using Clausius-Clapeyron equation, which assumes that the

Molal latent heat of vaporisation is constant within the limited temperature range
Volume in the liquid state is negligible compared with that in the vapor state
Vapor follows the ideal gas law
All of these

ANSWER DOWNLOAD EXAMIANS APP

Stoichiometry
The heat capacity of a substance is

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

ANSWER DOWNLOAD EXAMIANS APP