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Stoichiometry

Stoichiometry
Avogadro number is the number of molecules in one __________ of a gas.

Kilogram
Litre
Gm.mole
Gram

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Stoichiometry
Which of the following holds good for a solution obeying Raoult's law (i.e., an ideal solution) (where, ΔH = heat of mixing, and ΔV = volume change on mixing ) ?

ΔV = 0
ΔH = 0
ΔH = 1 (+ ve)and Δ V = -ve
Both B and C

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Stoichiometry
Unrestrained expansion of an ideal gas does not result in its cooling due to the reason that the gas molecules

Do not exert attractive force on each other
Are above the inversion temperature
Do not lose energy on collision
Do work equal to loss in kinetic energy

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Stoichiometry
The average translational kinetic energy with which a gas molecule is endowed is dependent on its

Absolute temperature
Size
Nature
All of these

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

Atomic weight
Metallic characteristics
Atomic number
Mass number

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Stoichiometry
The value of the gas-law constant 'R' is 1.987

Kcal/kg-mole.°C
Btu/lb-mole.°R
Kcal/kg-mole.°K
Both B & C

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