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Stoichiometry

Stoichiometry
The value of the gas-law constant 'R' is 1.987

Btu/lb-mole.°R
Kcal/kg-mole.°K
Kcal/kg-mole.°C
Both B & C

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Stoichiometry
In case of vapor-liquid equilibria, which of the following does not account for gas phase deviation from ideality?

None of these
Use of equation of state
Fugacity co-efficient
Activity co-efficient

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Stoichiometry
Size range of the colloidals particles is

500 - 1000 microns
10 - 50 Angstrom
5 - 200 milli-microns
50 - 200 microns

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Stoichiometry
A very dilute solution is prepared by dissolving 'x1' mole of solute in 'x2' mole of a solvent. The mole fraction of solute is approximately equal to

X2/x1
1 - (x1/x2)
X1/x2
1/x2

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Stoichiometry
The equilibria relations in a multicom-ponent and multiphase system can not be calculated with the help of the

Emperical equations
Theoretical equations
Experimental data
Phase rule

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Stoichiometry
6 gms of magnesium (atomic weight = 24), reacts with excess of an acid, the amount of H₂ produced will be __________ gm. gm.

5
1
3
0.5

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