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Stoichiometry

Stoichiometry
The pressure under which liquid and vapor can co-exit at equilibrium is called the __________ vapor pressure.

Normal
Real
Limiting
Saturated

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Stoichiometry
Which of the following gases will have the- highest kinetic energy per mole at the same pressure & temperature?

All of these
Chlorine
Nitrogen
Ethane

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Stoichiometry
Density of carbon dioxide is __________ kg/Nm³.

22.4/44
44/22.4
44/22400
None of these

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Stoichiometry
Pick out the wrong unit conversion of calorific value.

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

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Stoichiometry
At standard conditions, N₂ + 2O₂ ⇋ 2NO₂; ΔG° = 100 kJ/moleNO + ½O₂ ⇋ 2NO₂; ΔG° = -35 kJ/moleThe standard free energy of formation of NO in kJ/mole is

15
170
30
85

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Stoichiometry
For water evaporating into usaturated air under adiabatic conditions and at constant pressure, the __________ remains constant throughout the period of vaporisation.

Relative saturation
Dry bulb temperature
Humidity
Wet bulb temperature

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