Burning a gallon of gasoline releases 1.19 \times 108J of internal energy. If a certain car requires 6.9\times 105 J of work to drive one mile, how much heat is given off to the atmosphere each mile, assuming the car gets 20.2 miles to the gallon?
Added by Ramon H.
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Given that the car gets 20.2 miles to the gallon and burning one gallon of gasoline releases \(1.19 \times 10^8\) J of internal energy, we can find the energy released per mile by dividing the total energy by the number of miles per gallon: \[ \text{Energy per Show more…
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When one gallon of gasoline is burned in a car engine, 1.19 x 108 J of internal energy is released. Suppose that 1.00 x 108 J of this energy flows directly into the surroundings in the form of heat. If 6.0 x 105 J of work is required to make the car go one mile, how many miles can the car travel on one gallon of gas?
Prabhat T.
When one gallon of gasoline is burned in a car engine, $1.19 \times 10^{8} \mathrm{~J}$ of internal energy is released. Suppose that $1.00 \times 10^{8} \mathrm{~J}$ of this energy flows directly into the surroundings (engine block and exhaust system) in the form of heat. If $6.0 \times 10^{5} \mathrm{~J}$ of work is required to make the car go one mile, how many miles can the car travel on one gallon of gas?
Energy from Gasoline Burning a gallon of gasoline releases $1.19 \times 10^{8} \mathrm{J}$ of internal energy. If a certain car requires $5.20 \times 10^{5} \mathrm{J}$ of work to drive one mile, (a) how much heat is given off to the atmosphere each mile, assuming the car gets 25.0 miles to the gallon? (b) If the miles per gallon of the car is increased, does the amount of heat released to the atmosphere increase, decrease, or stay the same? Explain.
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