marlawalker marlawalker

19-05-2021
Chemistry

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Please solve I will give brainliest to correct answer

Please solve I will give brainliest to correct answer class=

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DeanDeals DeanDeals

19-05-2021

Answer:

-846 kJ

Explanation:

Using Henderson Hasselbach's law,

2Al + 3/2 O2 -> Al2O3 H = -1670 kJ

-(2Fe + 3/2 O2 -> Fe2O3) = Fe2O3 -> 2Fe + 3/2 O2 H = 824 kJ

-1670 kJ + 824kJ = -846 kJ

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