# Although oil, coal, and natural gas are mixtures of many different substances, to simplify the calculations assume that oil is mostly made of

Although oil, coal, and natural gas are mixtures of many different substances, to simplify the calculations assume that oil is mostly made of heptanes (C7H16), natural gas is made of methane (CH4), and that the mass percentage of carbon in the coal we use is close to 90%. Thus, the following chemical equations represent the production of CO2(g) from these sources:

C7H16(l) + O2(g) -> CO2(g) + H2O(g)

CH4(g) + O2(g) -> CO2(g) + H2O(g)

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C(s) + O2(g) -> CO2(g)

Additional Info:

Amount (person/year)

Oil: 3.5 m^3

Gas: 2125 m^3

Coal: 3.2 tonne

Additional Data:

p(Oil) ~ 0.8 kg/L

V(gas) ~ 22.4 L/mol

at STP

1m^3 = 1000 L

1 tonne = 1000kg

1. Use the information provided to calculate the TOTAL mass of CO2 produced per person per year in the US. Express your results in tonnes of CO2. SHOW YOUR WORK

Hint: Mass of Reactants -> Moles of Reactants  -> Moles of Products  ->  Mass of Products

Oil –

Gas –

Coal –