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c es = 0, 5 kal/
L = 80 kal/
c air = 1 kal/
t1 = -10
t2 ( suhu akhir ) = ...?
Q1 = mL
Q1 = 1000 g. 80 kal/gC
Q1 = 80.000
Q2 = mcΔt
Q2 = 1000 g. 0, 5 kal/gC. 10
Q2 = 5.000
Q3 = mcΔt
( Q1 + Q2 ) = mcΔt
85.000 = 1000g. 1 kal/gC . ( x + 10 )
85.000 = 1000x + 10.000
75.000 = 1000x
x = 75
Suhu Akhir adalah