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Stoichiometry

Stoichiometry
Cp - Cv, for an ideal gas is equal to

3R
R/2
2R
R

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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

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

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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

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

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Stoichiometry
The temperature at which real gases obey the ideal gas law over a wide range of pressure is called the __________ temperature.

Reduced
Boyle
Critical
Inversion

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Stoichiometry
A solution is made by dissolving 1 kilo mole of solute in 2000 kg of solvent. The molality of the solution is

0.5
1
0.5
2

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Stoichiometry
For an ideal gas, the compressibility factor

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

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