The atmosphere slowly oxidizes hydrocarbons in a number of steps that eventually

Question

The atmosphere slowly oxidizes hydrocarbons in a number of steps that eventually convert the hydrocarbon into carbon dioxide and water. The overall reactions of a number of such steps for methane gas is as follows: CH4(g)+5O2(g)+5NO(g)CO2(g)+H2O(g)+5NO2(g)+2OH(g) Suppose that an atmospheric chemist combines 150 mL of methane at STP, 875 mL of oxygen at STP, and 56.5 mL of NO at STP in a 2.2 L flask. The reaction is allowed to stand for several weeks at 275 K. Part A If the reaction reaches 92.0% of completion (92.0% of the limiting reactant is consumed), what are the partial pressures of each of the reactants in the flask at 275 K? Enter your answers numerically separated by commas. Part B If the reaction reaches 92.0% of completion (92.0% of the limiting reactant is consumed), what are the partial pressures of each of the products in the flask at 275 K? Part C What is the total pressure in the flask?

Explanation / Answer

The atmosphere slowly oxidizes hydrocarbons in a number of steps that eventually

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