Stoichiometry MCQs
Practice free Stoichiometry multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 371 questions — no login required.
Question 19easy
For estimation of heat capacity of a solid compound, one can use
Question 20easy
The combustion equations of carbon and carbon monoxide are as follows:
C + O2 = CO2, ΔH = -394 kJ/kg.mole
CO + $$\frac{1}{2}$$O2 = CO2, ΔH = -284.5 kJ/kg.mole
The heat of formation of CO is __________ kJ/kg.mole.
C + O2 = CO2, ΔH = -394 kJ/kg.mole
CO + $$\frac{1}{2}$$O2 = CO2, ΔH = -284.5 kJ/kg.mole
The heat of formation of CO is __________ kJ/kg.mole.
Question 21easy
Compressibility factor of a real gas is the ratio of the actual volume to that predicted by ideal gas law. As the pressure of the gas approaches zero, the compressibility factor approaches
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Question 22easy
For an endothermic reaction, the minimum value of energy of activation will be (where, ΔH = enthalpy of the reaction)
Question 23easy
Enthalpy of formation of NH3 is -46 kJ/kg mole. The enthalpy change for the gaseous reaction, 2NH3 → N2 + 3H2, is equal to __________ kJ/kg. mole.
Question 24easy
Volume percent for gases is equal to the
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Question 25easy
The net heat evolved or absorbed in a chemical process, i.e. total change in the enthalpy of the system is independent of the
Question 26easy
Recycling in a chemical process facilitates
Question 27easy
The gravimetric (i.e., by weight) composition of a vapor saturated gas is independent of the