1.

A mixture of two moles of carbon monoxide and one mole of oxygen, in a closed vessel is ignited to convert the carbon monoxide to carbon dioxide. If DeltaH is the enthalpy change and DeltaE is the change in internal energy, then

Answer»

`DELTAH gt DeltaE`
`DeltaH LT DeltaE`
`DeltaH = DeltaE`
The relationship depends on the capacity of the vessel

Solution :Formation of `CO_(2)` from CO is an EXOTHERIC reaction, heat is evolved from the system, i.e., energy is lowered. THUS, EXOTHERMIC reactions occur spontaneously on account of decrease in enthalpy of system. Thus, `DeltaE gt DeltaH`.


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