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Stoichiometry

Stoichiometry
1 kg/m² is equal to __________ mm water column.

1000
10
1
100

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Stoichiometry
The quantity of heat required to evaporate 1 kg of a saturated liquid is called

Latent heat
Sensible heat
1 Kcal
Specific heat

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Stoichiometry
Saturated solution of benzene in water is in equilibrium with a mixture of air and vapours of benzene and water at room temperature and pressure. Mole fraction of benzene in liquid is xB and the vapour pressures of benzene and water at these conditions are PvB and Pvw respectively. The partial pressure of benzene in air-vapour mixture is

(Patm - Pvw)xB
PvB
XB.Patm
XB.PvB

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Stoichiometry
The value of the gas-law constant 'R' is 1.987

Kcal/kg-mole.°C
Both B & C
Kcal/kg-mole.°K
Btu/lb-mole.°R

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Stoichiometry
Volume percent for gases is equal to the

Mole percent
Weight percent only for ideal gases
Mole percent only for ideal gases
Weight percent

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Stoichiometry
The heat capacity of most substances is greater for the __________ state.

None of these
Gaseous
Solid
Liquid

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