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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
No cooling occurs, when an ideal gas undergoes unrestrained expansion, because the molecules

Are above the inversion temperature
Collide without loss of energy
Do work equal to loss in kinetic energy
Exert no attractive force on each other

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Stoichiometry
Na₂SO₄. 10H₂O crystals are formed by cooling 100 Kg of 30% by weight aqueous solution of Na₂SO₄. The final concentration of the solute in the solution is 10%. The weight of crystals is

20
58.65
45.35
32.2

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Stoichiometry
A vapor whose partial pressure is less than its equilibrium vapor pressure is called the __________ vapor.

Dry gaseous
Superheated
Unsaturated
Saturated

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Stoichiometry
One mole of methane undergoes complete combustion in a stoichiometric amount of air. The reaction proceeds as CH₄ + 2O₂ → CO₂ + 2H₂O. Both the reactants and products are in gas phase. ΔH°298 = - 730 kJ/mole of methane. If the average specific heat of all the gases/vapour is 40 J/mole.K, the maximum temperature rise of the exhaust gases in °C would be approximately equal to

1735
1335
1525
1225

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Stoichiometry
Compressibility factor of a real gas is the ratio of the actual volume to that predicted by ideal gas law. As the pressure of the gas approaches zero, the compressibility factor approaches

1
0.24
∞

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