According to the following reaction, how much energy is evolved during the reaction of 32.5 g B2H6 and 72.5 g Cl2? The molar mass of B2H6 is 27.67 g/mol. B2H6(g) + 6 Cl2(g) 2 BC13(g) + 6 HCI(g) AH°rxn -1396 kJ O 1640 kJ O 238 kJ O 1430 kJ O 3070 kJ

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