O GASES Solving for a gaseous reactant Nc Combustion of hydrocarbons such as non

Question

O GASES Solving for a gaseous reactant Nc Combustion of hydrocarbons such as nonane (CoH20) 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 liquid nonane into gaseous carbon dioxide and gaseous water 2. Suppose 0.200 kg of nonane are burned in air at a pressure of exactly 1 atm and a temperature of 18.0 °C. Calculate the volume of carbon dioxide gas that is produced Be sure your answer has the correct number of significant digits Explanation Check

Explanation / Answer

1. Balanced equation for combustion of nonane

C9H20(l) + 14O2(g) --> 9CO2(g) + 10H2O(g)

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2.

moles nonane = 200 g/128.255 g/mol = 1.56 moles

moles CO2 formed = 10 x 1.56 = 15.6 moles

Volume CO2 formed = nRT/P

                                  = 15.6 x 0.0821 x (273+18)/1

                                  = 372.70 L

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