November 26, 2015

Homework Help: chemistry

Posted by Yasha on Sunday, March 25, 2012 at 9:30pm.

If all the energy obtained from burning 1.23 pounds of propane (fuel value is 11.09 kcal/g) is used to heat 125.0 kg of water at an initial temperature of 21.8 C, what is the final temperature?

The heat, q, released by burning propane is absorbed by the water. Use the following formula to find the temperature change, T,
q = m*c*(Change in temperature)
Where m is mass and c is specific heat

I've done it several different ways and I keep getting 21.8 for an answer and it says that is wrong.

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