Stoichiometry
Validity of the relationship, inputs = outputs, holds good for the system at steady state

None of these
With chemical reaction
Without chemical reaction
Without chemical reaction & losses

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Stoichiometry
The boiling points for pure water and pure toluene are 100°C and 110.6°C respectively. Toluene and water are completely immiscible in each other. A well agitated equimolar mixture of toluene and water are prepared. If, at a total pressure of one standard atm. exerted by the vapours of water and toluene, the mole fraction of water Xw in the vapour phase satisfies

Xw = 0.5
Xw = 1.0
0 < Xw < 0.5
0.5 < Xw < 1.0

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Stoichiometry
A metal oxide is reduced by heating it in a stream of hydrogen. After complete reduction, it is found that 3.15 gm of the oxide has yielded 1.05 gm of the metal. It may be inferred that the

Atomic weight of the metal is 2
Equivalent weight of the metal is 4
Equivalent weight of the metal is 8
Atomic weight of the metal is 4

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