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Stoichiometry

Stoichiometry
The quantity of heat required to evaporate 1 kg of a saturated liquid is called

Sensible heat
Specific heat
1 Kcal
Latent heat

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Stoichiometry
At standard conditions, N₂ + 2O₂ ⇋ 2NO₂; ΔG° = 100 kJ/moleNO + ½O₂ ⇋ 2NO₂; ΔG° = -35 kJ/moleThe standard free energy of formation of NO in kJ/mole is

170
30
15
85

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Stoichiometry
The density of a gas 'X' is twice that of another gas 'Y'. If the molecular weight of gas 'Y' is 'M'; then the molecular weight of the gas 'X' will be

M
M/4
2M
M/2

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Stoichiometry
In __________ process, ions of salts react with water to produce acidity or alkalinity.

Hydration
Electrolysis
Dialysis
Hydrolysis

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Stoichiometry
The temperature at which the second Virial co-efficient of a real gas is zero is called the

Eutectic point
Critical temperature
Boyle temperature
Boiling point

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Stoichiometry
Heat capacity of air can be approximately expressed as, Cp = 26.693 + 7.365 x10⁻³ T, where, Cp is in J/mole.K and T is in K. The heat given off by 1 mole of air when cooled at atmospheric pressure from 500°C to - 100°C is

18.33 kJ
16.15 kJ
18.11 kJ
10.73 kJ

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