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Stoichiometry

Stoichiometry
Avogadro's number is equal to

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Stoichiometry
Specific gravity on API scale is given by the relation(where, G = specific gravity at 15.5°C).

°API = 200(G - 1)
°API = (140/G) - 130
°API = 145 - (145/G)
°API = (141.5/G) - 131.5

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Stoichiometry
The percentage ratio of the partial pressure of the vapor to the vapor pressure of the liquid at the existing temperature is

Called percentage saturation
Not a function of the nature of vapor
Termed as relative saturation
Not a function of the composition of gas mixture

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Stoichiometry
A vapor whose partial pressure is less than its equilibrium vapor pressure is called a __________ vapor.

Superheated
Saturated
None of these
Supersaturated

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Stoichiometry
The heat capacity of a solid compound is calculated from the atomic heat capacities of its constituent elements with the help of the

Antonie equation
Kopp's rule
Kistyakowsky equation
Trouton's rule

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Stoichiometry
In general, the specific heats of aqueous solutions __________ with increase in the concentration of the solute.

Increase
Remain unchanged
Decrease
None of these

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