An industrial chemist is studying a sample of an unknown metal. Describe two ways he could change the metal physically and two w
2 answers:
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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.