Worldwide combustion of methane ch4 natural gasprovides, Ask an Expert

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Worldwide combustion of methane, CH4 (natural gas),provides about 10.9x10^16 kJ of energy per year. If methane has anenergy content of 39x10^3 kJ/m^3 (at STP), what mass of CO2 isemitted into the atmosphere each year from methane combustion?Also, express that emission rate as metric tons of carbon (not CO2)per year. Metric ton=1000 kg How would you convert kJ to grams?

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