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How many kilograms of CO2 are released during the combustion of 25.00 gallons of gasoline? Assume...

How many kilograms of CO2 are released during the combustion of 25.00 gallons of gasoline? Assume gasoline is pure isooctane with a density of 0.6919 g/ml. If the combustion was used to heat 8565L of water from an initial temperature of 11.0C what would be the final temperature of the water assuming 54.00% efficiency in the energy transfer?
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