The amount of heat required to heat 1 kg of water by 5 degrees was transferred to 2 kg of mercury. How much will mercury heat up?
| December 29, 2020 | education
Qv = Qрт;
Qw = Cw * m * 5 = 4200 * 1 * 5 = 21000J = Qrt
Qрт = Срт * m * T
T = Qрт / (Срт * m) = 21000 / (140 * 2) = 21000/280 = 75 degrees (if mercury is liquid)
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