Short Answer
Calculate the heat released (kJ)in the reaction of 2.20 g of sulfur dioxide gas and excess oxygen gas to form sulfur trioxide gas:
2SO2(g)+ O2(g) 2SO3(g)
Given:
S(s)+ O2(g) SO2(g), H = -299 kJ/mol
S(s)+ 3/2O2(g) SO3(g), H = -395 kJ/mol
Correct Answer:

Verified
Correct Answer:
Verified
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