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Calculate Hrxno for the thermite reaction 2Al(s)+Fe2O3(s)Al2O3(s)+2Fe(s) - Hfo(Al)=0 - Hfo(Fe2O3)=826kJ/mol - Hfo(Al2O3)=1676.7kJ/mol - Hfo(Fe)=0 Hrxno=kJ

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