Charcoal is primarily carbon.

Question

Determine the mass of CO_2 produced by burning enough carbon (in the form of charcoal) to produce 510 kJ of heat.
C + O2 --> CO2 Delta H = -393.5 kJ

Answer 1

393.5 kJ x (?g CO2/44) = 510 kJ. Solve for ?gCO2.