The heat of combination of carbon to CO2 is $-$393.5 kJ/mol. The heat released upon formation of 35.2 g of CO2 from carbon and oxygen gas is

Question

The heat of combination of carbon to CO₂ is $-$393.5 kJ/mol. The heat released upon formation of 35.2 g of CO₂ from carbon and oxygen gas is

+ 315 kJ