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Verified answer
Misalkan Kalor Jenis Air = 1 kal/g derajat celcius dan kalor lebur es = 80 kal/gDiketahui = m = 100 gram = 0,1 kg
T1 = 20 derajat celcius
T2 = 0 derajat celcius
ΔT = 20 derajat Celcius
Cair = 1 kal/g derajat celcius
1 es = 80 kal/g
Ditanya = Q = ___?
Jawab :
Q = m x c x ΔT
Q = 0,1 x 1 x 20
Q = 2 kkal
Q = m x l
Q = 0,1 x 8
Q = 8 kkal
Maka Qtotal = 8+2 = 10 Kkal