The heats of oxidation of Mg and Fe are given (a) Mg + 1/2O_(2) to Mg – InterviewSolution

1.	The heats of oxidation of Mg and Fe are given (a) Mg + 1/2O_(2) to MgO , DeltaH = -145700 cals (b) 2Fe + 3/2O_(2) to Fe_(2)O_(3), DeltaH=-193500 cals The het produced in the reaction 3Mg + Fe_(2)O_(3) to 3MgO + 2Fe, is
Answer» `-243600` CALS `-257800` cals `-271400` cals `-222800` cals ANSWER :A

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