(Solved): How many pounds of carbon dioxide (CO2) are generated annually due to household light use given ...

How many pounds of carbon dioxide $$\left({\mathrm{CO}}_2\right)$$ are generated annually due to household light use given the information below? The household uses $$8,620\mathrm{kWh}/\mathrm{yr}$$ and $$7.2\%$$ of this is attributed to lighting. The electricity is generated from natural gas that emits $$0.436\mathrm{kg}$$ carbon dioxide per $$\mathrm{kWh}$$. "Give your answer to the nearest whole number for this question. You must be within $$1\%$$ of the correct answer.* Question 8 3 pts How many pounds of carbon dioxide $$\left({\mathrm{CO}}_2\right)$$ are directly emitted annually from combusting a fuel in driving a car based on the information below? A person drives $$9.855$$ miles/yr using a car that gets 31 miles per gallon. The emission rate for the fuel is $$8.887\mathrm{kg}$$ carbon dioxide per gallon of fuel. -Give your answer to the nearest whole number for this question. You must be within $$1\%$$ of the correct answer." How many pounds of carbon dioxide $$\left({\mathrm{CO}}_2\right)$$ are directly emitted upon the combustion of $$5.0$$ gallons of ethanol? The density of ethanol is $$789\frac{\mathrm{kg}}{{\mathrm{m}}^3}$$ and the formula for ethanol is $${\mathrm{C}}_2{\mathrm{H}}_6\mathrm{O}$$. "Give your answer to the tenths place for this question. You must be within $$1\%$$ of the correct answer."