Problem: What is the minimum energy required to decompose 765 g of PCl 3, according to the reaction below? The molar mass of PCl3 is 137.32 g/mol. 4PCl3(g) → P4(s) + 6Cl2(g)           ΔH°rxn = +1207 kJ a. 2.31 x 103 kJ b. 4.33 x 103 kJ c. 6.72 x 103 kJ d. 1.68 x 103 kJ e. 5.95 x 103 kJ

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What is the minimum energy required to decompose 765 g of PCl 3, according to the reaction below? The molar mass of PCl3 is 137.32 g/mol. 

4PCl3(g) → P4(s) + 6Cl2(g)           ΔH°rxn = +1207 kJ 

a. 2.31 x 103 kJ 

b. 4.33 x 103 kJ 

c. 6.72 x 103 kJ 

d. 1.68 x 103 kJ 

e. 5.95 x 103 kJ

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