11. Enthalpy of combustion of carbon to CO2 is – 393.5 kJ mol-1. Calculate the heat released upon formation of 35.2 g of CO2 from carbon and dioxygen gas.
11. Enthalpy of combustion of carbon to CO2 is – 393.5 kJ mol-1. Calculate the heat released upon formation of 35.2 g of CO2 from carbon and dioxygen gas.
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1 Answer
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11. The combustion equation is:
C (s) + O2 (g) → CO2 (g); ? H = – 393.5 KJ mol-1Heat released in the formation of 44g of CO2 = 393.5 kJ
Heat released in the formation of 35.2 g of CO2 = (393.5 KJ) x (35.2g)/ (44g)
= 314.8 kJ
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