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Stoichiometry

Stoichiometry
1 torr is equivalent to

1 mm wc
1 Pascal
1 ata
1 mm Hg

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Stoichiometry
One 'Therm' is equivalent to

10⁵ kcal
10⁹ BTU
10⁵ BTU
10⁹ kcal

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Stoichiometry
The weight fraction of methanol in an aqueous solution is 0.64. The mole fraction of methanol XM satisfies

XM ≥ 0.64
XM < 0.5
XM = 0.5
0.5 < XM < 0.64

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Stoichiometry
At higher temperature, molal heat capacities of most of the gases (at constant pressure) __________ with increase in temperature.

Increases linearly
Increases
Decreases
Remains unchanged

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Stoichiometry
The gravimetric (i.e., by weight) composition of a vapor saturated gas is independent of the

Total pressure
Temperature
Nature of both the gas & the liquid
None of these

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Stoichiometry
CaCO₃ contains __________ percent of Ca by weight.

12
48
40
96

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MORE MCQ ON Stoichiometry

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