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cl - ciepło właściwe lodu -> cl = 2095 J/kg*K
cw - ciepło właściwe wody -> cw = 4186J/kg*K
1.
Q1 = mL = 334000m
Q2 = mL + cw*m*T = m(L+cw) = 338186m
Q1/Q2 = 0.987
To ciepło jest 0.987 raza większe.
2.
T = 2K
m = 2kg
Q = mL + cl*m*T = m(L+cl*T) = 2(334000 + 4190) = 676380 J