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Question

The enthalpies of formation of Al2O3 and Cr2O3 are 1569 KJ and 1134 KJ respectively. ΔH for the reaction

2Al + Cr2O3 2Cr + Al2O3 is


A
2730 KJ
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B
462 KJ
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C
1365 KJ
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D
+2730 KJ
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