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Q=168.000 J
m=10 kg
Δt=t2-10 C
dit: t2=..?
Q=m.c.(t2-10)
168.000= 10.4200.(t2-10)
t2-10=168.000/42000
t2=4+10=14 C
168.000 J = 10 kg × 4.200J/kg°C × (Ta - 10°C)
168.000 J = 42.000 J/°C × (Ta - 10°C)
= × (Ta - 10°C)
4 = Ta - 10°C
Ta = 10°C + 4
Ta = 14°C
Jadi, suhu akhir zat tersebut adalah 14°C