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According to the Following Reaction, How Much Energy Is Evolved

Question 57

Multiple Choice

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 According to the following reaction, how much energy is evolved during the reaction of 32.5 g B<sub>2</sub>H<sub>6</sub> and 72.5 g Cl<sub>2</sub>? The molar mass of B<sub>2</sub>H<sub>6 </sub>is 27.67 g . B<sub>2</sub>H<sub>6</sub>(g) + 6Cl<sub>2</sub>(g) → 2BCl<sub>3</sub>(g) + 6HCl(g) H°<sub> </sub>= -1396 kJ A) 1640 kJ B) 238 kJ C) 1430 kJ D) 3070 kJ E) 429 kJ . B2H6(g) + 6Cl2(g) → 2BCl3(g) + 6HCl(g) According to the following reaction, how much energy is evolved during the reaction of 32.5 g B<sub>2</sub>H<sub>6</sub> and 72.5 g Cl<sub>2</sub>? The molar mass of B<sub>2</sub>H<sub>6 </sub>is 27.67 g . B<sub>2</sub>H<sub>6</sub>(g) + 6Cl<sub>2</sub>(g) → 2BCl<sub>3</sub>(g) + 6HCl(g) H°<sub> </sub>= -1396 kJ A) 1640 kJ B) 238 kJ C) 1430 kJ D) 3070 kJ E) 429 kJ H° = -1396 kJ


A) 1640 kJ
B) 238 kJ
C) 1430 kJ
D) 3070 kJ
E) 429 kJ

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