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Stoichiometry

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

2R
R/2
R
3R

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Stoichiometry
Pick out the wrong unit conversion of calorific value.

1 BTU/ft³ = 8.9 kcal/m³ = 0.038 MJ/m³
1 BTU/lb = 2.3 kcal/kg
1 kcal/m³ = 0.1124 BTU/ft³
1 kcal/kg = 1.8 BTU/lb = 4.186 kJ/kg

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Stoichiometry
Which of the following has the smallest least effect on the solubility of a solute into the solvent?

Nature of the solvent
Temperature
Nature of the solute
Pressure

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Stoichiometry
The molar composition of a gas is 10% H₂, 10% O₂, 30% CO₂ and balance H₂O. If 50% H₂O condenses, the final mole percent of H₂ in the gas on a dry basis will be be

0.1818
0.05
0.1
0.2

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Stoichiometry
Kopp's rule is useful for the determination of

Heat capacities of solids
Activation energy
Heat capacities of gases
Molal heat capacities of gases

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Stoichiometry
Sometimes, in chemical processes, a part of the outlet stream is rejected as waste in order to keep the impurity level in the system within limits. This phenomenon is termed as the

Purging
Bypassing
Recirculation
Recycling

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MORE MCQ ON Stoichiometry

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