Whats the solution?

Question

A chemist measures the enthalpy change ΔH during the following reaction:

Fe+2HCl→FeCl2+H2 ΔH=-157KJ

Use this information to complete the table below. Round each of your answers to the nearest kJ/mol.

FeCl2+H2→Fe+2HCl

3Fe+6HCl→3FeCl2+3H2

1/2FeCl2+1/2H2→1/2Fe+HCl

Answer 1

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