A coffe cup calorimeter contains 50.0 g of water at 60.51•c . A 12.4 g piece of

Question

A coffe cup calorimeter contains 50.0 g of water at 60.51•c . A 12.4 g piece of graphite at 24.21•c is placed in the calorimeter. The final temp of water and the carbon is 59.02•c . Calculate the specific heat of carbon. The specific heat of water is 4.18 J/g •c . A coffe cup calorimeter contains 50.0 g of water at 60.51•c . A 12.4 g piece of graphite at 24.21•c is placed in the calorimeter. The final temp of water and the carbon is 59.02•c . Calculate the specific heat of carbon. The specific heat of water is 4.18 J/g •c .

Explanation / Answer

use:

heat lost by water in calorimeter = heat gained by carbon

mw*cw*(60.51 - 59.02) = mC*cC*(59.02 - 24.21)

50.0*4.18*1.49 = 12.4 * cC * 34.81

cC = 0.722 J/goC

Answer: 0.722 J/goC

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