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Stoichiometry

Stoichiometry
1 kgf/cm² is not equal to

1 bar
1 torr
100 KPa = 100 000 N/m²
10000 mm wc

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Stoichiometry
In case of a solution (not of a solid in a liquid), whose total volume is more than the sum of volumes of its components in their pure states, solubility is

Decreased with the increase in pressure
Independent of the temperature
Unchanged by the pressure change
Increased with the increase in pressure

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Stoichiometry
The vapour pressure of water is given by, in Psat = A - (5000/T), where A is a constant, Psat is the vapour pressure in atm. and T is the temperature in K.The vapor pressure of water in atm. at 50°C is approximately

0.11
0.13
0.09
0.07

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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.PvB
(Patm - Pvw)xB
XB.Patm

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Stoichiometry
In general, the specific heats of aqueous solutions __________ with increase in the concentration of the solute.

Increase
Remain unchanged
Decrease
None of these

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Stoichiometry
Assuming that CO₂ obeys perfect gas law, calculate the density of CO₂ (in kg/m³) at 263°C and 2 atm.

1
3
4
2

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