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a water heater can generate 8500 kilo calorie per hour how much water it can heat from 10 degree Celsius to 60 degree Celsius per hour |
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Answer» Heat generated by heater = 8500 kJ/h = 8.5 x 10^6 J/h Specific heat of water = S = 4.18 J/g/0C Let mass of water that can be heated from 10 to 60 deg Cel = m (in grams) Heat required in 1hr = 8.5×10^6 J Using Q = m S (T2 – T1) 8.5×10^6 = m * 4.18 * (60 – 10) 8.5 x 10^6= m * 4.18 * 50 m = 8.5x 10^6 / 209 = 1776.5 g 1.77 kg |
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