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Stoichiometry

Stoichiometry
The molecular velocity of a real gas is proportional to (where, T = absolute temperature of the gas).

1/√T
T²
T
√T

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Stoichiometry
1 kgf/cm² is not equal to

10000 mm wc
100 KPa = 100 000 N/m²
1 bar
1 torr

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Stoichiometry
Kopp's rule is useful for the determination of

Heat capacities of solids
Heat capacities of gases
Molal heat capacities of gases
Activation energy

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

Decreases
Varies linearly
Does not vary
Increases

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Stoichiometry
Assume that benzene is insoluble in water. The normal boiling points of benzene and water are 80.1 and 100°C respectively. At a pressure of 1 atm, the boiling point of a mixture of benzene and water is

100°C
Less than 80.1°C
Greater than 80.1°C but less than 100°C
80.1°C

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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 ) ?

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

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