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Stoichiometry

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

252
1
9
4

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Stoichiometry
The vapor pressure of water at 100°C is

100N/m²
76 cms of Hg
13.6 cms of Hg
760 mm wc

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Stoichiometry
The heat capacity of most substances is greater for the __________ state.

Gaseous
None of these
Solid
Liquid

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

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

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Stoichiometry
Measurement of the amount of dry gas collected over water from volume of moist gas is based on the

Charle's law
Boyle's law
Dalton's law of partial pressures
Avogadro's hypothesis

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Stoichiometry
In physical adsorption, as compared to chemisorption, the

Heat of adsorption is very large
Activation energy is very high
Quantity adsorbed per unit mass is higher
Rate of adsorption is controlled by the resistance to surface reaction

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