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Consider the following reaction betwee...

Consider the following reaction between zinc and oxygen and choose the correct options out of the options given below
`2Zn(s)+ O_(2)(g) to 2 ZnO_(s): DeltaH=-693.8 kJ mol^(-1)`

A

The enthalpy of two moles of ZnO is less than the total enthalpy of two moles of Zn and one omle of oxygen by 693.8 kJ.

B

The enthalpy of two moles of ZnO is more than the total enthapy of two moles of Zn and one moles of oxygen by 693.8 kJ.

C

`693.8 kJ mol^(-1)` energy is evolved in the reaction .

D

`693.8 kJ mol^(-1)` energy is absorbed in the reaction .

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The correct Answer is:
a.c
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