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7. The standard enthalpy change for the following reaction is 185kJ at 298K. 2HCl(g)H2(g)+Cl2(g)H=185kJ What is the standard enthalpy change for this reaction at 298

The standard enthalpy change for the following reaction is 185kJ at 298K. 2HCl(g)H2(g)+Cl2(g)H=185kJ What is the standard enthalpy change for this reaction at 298 K? 1/2H2(g)+1/2Cl2(g)HCl(g) kJ

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