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Stoichiometry

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

None of these
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

0.2
0.8
0.6
0.4

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Stoichiometry
Real gases approach ideal behaviour at

Low pressure & low temperature
High pressure & low temperature
High pressure & high temperature
Low pressure & high temperature

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Stoichiometry
2 litres of nitrogen at N.T.P. weighs __________ gms.

14
2.5
1.25
28

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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

0.09
0.13
0.11
0.07

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Stoichiometry
In a chemical process, the recycle stream is purged for

Limiting the inerts
Heat conservation
Increasing the product yield
Enriching the product

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