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STOICHIOMETRY

Stoichiometry
For the gaseous phase reaction, N₂ + O₂ ⇋ 2NO, ΔH = + 80 kJ/kg. mole; the decomposition of NO is favoured by

Decrease in pressure
Increase in pressure
Decrease in temperature
Increasing the concentration of N₂

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Stoichiometry
The most convenient way of expressing solution concentration is in terms of

Mole fraction
Normality
Molality
Molarity

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Stoichiometry
For a given mass of a gas at constant temperature, if the volume 'V' becomes three times, then the pressure 'P' will become

3P
P/3
9P
9P²

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Stoichiometry
For an ideal solution, the total vapor pressure varies __________ with the composition(expressed as mole fraction).

Linearly
Exponentially
Negligibly
Inversely

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Stoichiometry
N.T.P. corresponds to

101.325 KPa gauge pressure & 0°C
1 atm.absolute pressure& 0°C
760 torr & 15°C
760 mm Hg gauge pressure & 0°C

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