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100 grams of water is heated from 30 degrees Celsius to 50 degrees Celsius ignoring the slught expansion of water the change in its internal energy is |
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Answer» ΔQ = MSΔT = 100 x 10^-3x 4.184 x20= 8.4 X 10^3 ΔQ = 84 kJ, ΔW = 0 ΔQ = ΔV + ΔW V = 8.4 kJ |
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