Jawaban:
Diketahui : V1 = 2 L
T1 = 100⁰ C
V2 = 8 L
Tc = 36⁰C
ρ1 = ρ2
c1 = c2
Ditanya : T2 = ?
Suhu awal air dingin : Qlepas = Qterima m1.c1.ΔT1 = m2.c2.ΔT2
V1.ρ1.(T1 - Tc) = V2.ρ2.(Tc - T1)
V1.(T1 - Tc) = V2.(Tc - T2) 2 . (100 - 36) = 8 . (36 - T2) 2 . 64 = 8 . 36 - 8T2 128 = 288 - 8T2 8T2 = 288 - 128 8T2 = 160 T2 = 160/8 T2 = 20⁰C
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Jawaban:
Diketahui : V1 = 2 L
T1 = 100⁰ C
V2 = 8 L
Tc = 36⁰C
ρ1 = ρ2
c1 = c2
Ditanya : T2 = ?
Suhu awal air dingin : Qlepas = Qterima m1.c1.ΔT1 = m2.c2.ΔT2
V1.ρ1.(T1 - Tc) = V2.ρ2.(Tc - T1)
V1.(T1 - Tc) = V2.(Tc - T2) 2 . (100 - 36) = 8 . (36 - T2) 2 . 64 = 8 . 36 - 8T2 128 = 288 - 8T2 8T2 = 288 - 128 8T2 = 160 T2 = 160/8 T2 = 20⁰C