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Stoichiometry

Stoichiometry
1 Kcal/kg. °C is equivalent to __________ BTU/lb. °F.

None of these
4.97
2.42
1

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Stoichiometry
The vapor pressures of benzene and toluene are 3 and 4/3 atmospheres respectively. A liquid feed of 0.4 moles of benzene and 0.6 moles of toluene is vapourised. Assuming that the products are in equilibrium, the vapor phase mole fraction of benzene is

0.8
0.2
0.4
0.6

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

Solid
Liquid
Gaseous
None of these

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Stoichiometry
1 torr is equivalent to

1 mm Hg
1 ata
1 mm wc
1 Pascal

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Stoichiometry
A compound was found having nitrogen and oxygen in the ratio 28 gm and 80 gm respectively. The formula of the compound is

N₂O₃
None of these
N₂O₄
N₂O₅

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Stoichiometry
Heat of solution in a system in which both solute and solvent are liquids is termed as

Heat of solvation
Heat of hydration
Standard integral heat of solution
Heat of mixing

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