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Stoichiometry

Stoichiometry
If 1 Nm³ of O₂ contains 'N' number of molecules, then number of molecules in 2Nm³ of SO₂ will be

N
2N
N/2
4N

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Stoichiometry
The average value of heat of neutralisation of dilute solution of strong acids and strong bases is about __________ kcal/kg.mole of water formed.

2481
13360
97302
6680

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Stoichiometry
The elevation in boiling point of a solution is proportional to the __________ of the solution.

Normality
Molal concentration
Molarity
Reciprocal of the molal concentration

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

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

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Stoichiometry
The heat change for the reaction, C(s) + 2S(s) → CS₂(l), is 104.2 kJ. It represents the heat of

Fusion
Combustion
Formation
Solution

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Stoichiometry
A gaseous mixture contains 14 kg of N₂, 16 kg of O₂ and 17 kg of NH₃. The mole fraction of oxygen is

0.66
0.16
0.47
0.33

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