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Stoichiometry

Stoichiometry
__________ equation relates latent heat and boiling point.

Trouton's
Kistyakowsky
Antonie
Kopp's

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Stoichiometry
S.T.P. corresponds to

760 torr & 0°C
760 mm Hg gauge pressure & 15.5°C
1 atm. absolute pressure & 15.5°C
101.325 kPa gauge pressure & 15.5°C

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Stoichiometry
1 torr is equivalent to

1 Pascal
1 mm wc
1 ata
1 mm Hg

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Stoichiometry
In physical adsorption, as compared to chemisorption, the

Heat of adsorption is very large
Quantity adsorbed per unit mass is higher
Activation energy is very high
Rate of adsorption is controlled by the resistance to surface reaction

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

Liquid
Gaseous
None of these
Solid

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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

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

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