How much energy is required to form 141.8 g of Cl2,according to the reaction below? The molar mass of PCl3 is 137.32 g/mol and may be useful. 4 PCl3(g) → P4(s) + 6 Cl2(g) ΔH°rxn = +1207 kJ
A) 2.010 × 103 kJ
B) 3.460 × 103 kJ
C) 5.444 × 103 kJ
D) 4.02 × 102 kJ
E) 4.25 × 103 kJ
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