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Stoichiometry

Stoichiometry
1 Pascal (unit of pressure) is equal to __________ N/m².

1000
1
10
0.1

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Stoichiometry
Which of the following is not a unit of pressure?

Bar
Kilo-pascal
Newton/metre²
Parsec

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

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Stoichiometry
Heat of neutralisation of HCl and NaOH is - 57.46 kJ/Kg mole. The heat of ionisation of water will be __________ kJ/Kg mole.

57.46
114.92
-28.73
-57.46

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Stoichiometry
In a mixture of benzene vapor and nitrogen gas at a total pressure of 900 mm Hg, if the absolute humidity of benzene is 0.2 kg benzene/kg nitrogen, the partial pressure of benzene in mm Hg is

720
180
60.3
200

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Stoichiometry
Molar heat capacity of water in equilibrium with ice at constant pressure is

1
None of these
∞

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