Question

Solving for a gaseous reactant Combustion of hydrocarbons such as decane ( C H ) produces carbon dioxide, a "greenhouse gas." Greenhouse gases in the Earth's atmosphere can trap the Sun's heat, raising the average temperature of the Earth. For this reason there has been a great deal of international discussion about whether to regulate the production of carbon dioxide. 1. Write a balanced chemical equation, including physical state symbols for the combustion of uid decane into gaseous carbon dioxide and gaseous water 2. Suppose 0.340 kg of decane are burned in air at a pressure of exactly I am and a temperature of 12.0 "C. Calculate the volume of carbon dioxideas that is produced Round your answer to 3 significant digits. OL

Answer 1

a) combuston liquid decane =0.34 K ) Cven mass fdecane Press use 1atm C73)- 28 K Molos mass decane 142.29gmo calouiatng moles f decane decane n moles & de cane = mass Mo la maSS 3u09 = 2,38moles 142.29 using ideal gas equatio n Pv ne T By substituting the ven values. = 2.38 x b.0891 x 2 85 . V 2.38 X O.0821 x 285. v- 55.68 L