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Stoichiometry

Stoichiometry
Claussius Clapeyron equation applies to the __________ process.

Vaporisation
All of these
Melting
Sublimation

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Stoichiometry
Increasing the temperature of an aqueous solution will cause decrease in its

Molarity
Weight percent
Mole fraction
Molality

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Stoichiometry
The heats of vaporisation of CS₂, C₂H₅OH &H₂O are 26.8, 38.6 & 40.6 KJ/kg mole respectively. The order of decreasing inter-molecular forces in these liquids is

CS₂ > C₂H₅OH > H₂O
H₂O > CS₂ > C₂H₅OH
CS₂ > H₂O > C₂H₅OH
H₂O > C₂H₅OH > CS₂

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

4
252
9
1

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Stoichiometry
One of the specific gravity scales is "Brix" (used speicifically for sugar solution). It is defined as

Brix = (400/G) - 400
None of these
Brix = 200 (G-1)
Brix = 145 - (145/G)

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Stoichiometry
For an ideal gas, the compressibility factor

Is unity at all temperature
Zero
Is unity at Boyle's temperature
Decreases with pressure rise

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