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Stoichiometry

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
9P
P/3
9P²

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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

18.11 kJ
18.33 kJ
16.15 kJ
10.73 kJ

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Stoichiometry
Avogadro's number is equal to

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Stoichiometry
1 BTU/ft³ is approximately equal to __________ kcal/m³.

1
252
9
4

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Stoichiometry
Elements in a periodic table are arranged in order of their

Mass number
Metallic characteristics
Atomic number
Atomic weight

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Stoichiometry
The crystallisation of a solute from a solution may be done by

All of these
Change of temperature thereby causing supersaturation
Changing the nature of the system by the addition of a more soluble material
Removal of pure solvent by evaporation

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