Fuel Value and Final Temperature
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The amount of energy released by burning a fuel source, measured in energy per mass, is called the fuel value. If all the energy obtained from burning 1.28 pounds of ethane (fuel value is 11.36 kcal/g) is used to heat 130.0 kg of water at an initial temperature of 20.8 degrees C, what is the final temperature?
ANSWER: __________ degrees C
HINT:
The heat, q, released by burning ethane is absorbed by the water. Use the following formula to find the temperature change, delta T,
q=mc*deltaT where m is mass and c is specific heat.
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The expert examines fuel values and final temperatures for fuel sources.
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