The combustion equations of carbon and carbon monoxide are as follows: C + O2 = CO2, ΔH = – 394 kJ/kg .mole CO + ½ O2 = CO2, ΔH = – 284.5 kJ/kg. mole. The heat of formation of CO is _____________ kJ/kg. mole?

Related Mcqs:

A liquid is in equilibrium with its vapor at its boiling point. On an average, the molecules in the liquid and gaseous phases have equal______________?

A. Kinetic energy B. Intermolecular forces of attraction C. Potential energy D. Total energy...

Fusion point of a basic refractory material is________________?

A. Reduced by the addition of acid oxides B. Increased by the addition of acid oxides C. Not affected by the addition of acid oxides D. Always less than 1000°C...

The temperature at which a real gas obeys Boyle’s law is termed as the__________________?

A. Triple point B. Boyle’s temperature C. Eutectic point D. Inversion temperature...

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A. 2/3 B. 1/3 C. 1/2 D. 1/3 × (298/273)...

Number of gm moles of solute dissolved in one liter of a solution is called its____________________?

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