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ΔT = 16C
m = 400g = 0,4kg
c = 4200 J (kg*C)
Szukane:
Q = ?
Wzór:
Q= c * m * ΔT
Obliczenia:
Q = 4200J (kg *C) * 0,4kg * 16 C
Q = 1680 * 16C
Q = 26880 J
Odp: Aby zamienić bryłę lodu w wodę o temp. 10C, potrzeba 26880 J ciepła.