Posted by David on Friday, February 10, 2012 at 12:54am.
How much energy do you obtain from the combustion of benzene?
That is 6542 x (7 g/2*78g) = about 293 kJ or 293,000 J.
Then 293,000 = mass H2O x specific heat H2O x (Tfinal-Tinitial).
Solve for Tfinal. Those numbers above are approximate; you should go through it with your calculator to obtain a more accurate reading.
your approximations are very accurate.. thanks!
is the final and intial temperature in kelvin or celcius my calculations seem off
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