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Stoichiometry

Stoichiometry
One 'Therm' is equivalent to

10⁹ BTU
10⁵ BTU
10⁹ kcal
10⁵ kcal

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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

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

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Stoichiometry
The heat capacity of a solid compound is approximately equal to the sum of the heat capacities of the constituent elements. This is the statement of

Nearnst heat theorem
Trouton's rule
Law of Petit and Dulong
Kopp's rule

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Stoichiometry
The maximum adiabatic flame temperature of fuels in air is __________ the maximum flame temperature in pure oxygen.

Higher than
Same as
Not related to
Lower than

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

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

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Stoichiometry
1 ata is equivalent to

1 kgf/cm²
10 torr
1 atm
0.98 Pascal

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