a cork is able to float on water because it is A: a crystalline sold B: equal density to water C: small in size D:less dense tha
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<u>Answer:</u> The for HCN (g) in the reaction is 135.1 kJ/mol.
<u>Explanation:</u>
Enthalpy change is defined as the difference in enthalpies of all the product and the reactants each multiplied with their respective number of moles. The equation used to calculate enthalpy change is of a reaction is:
For the given chemical reaction:
The equation for the enthalpy change of the above reaction is:
We are given:
Putting values in above equation, we get:
Hence, the for HCN (g) in the reaction is 135.1 kJ/mol.