How much heat must be imparted to 1 kg of water to raise its temperature from 30 ° C to 40 ° C?
| December 5, 2020 | education
amount of heat – Q = cm∆t, where c is the specific heat capacity (4200 J / kg * ° С), m is the mass (1 kg) and ∆t is the temperature change (10 ° С)
Hence, Q = 4200 * 1 * 10 = 42000 J = 42 KJ
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