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m . c . ΔT = m . c . ΔT
m . ΔT = m . ΔT
1 kg . (70 - T)°C = 0,2 kg . (T-10)°C
70 - T = 0,2T - 2
72 = 1,2 T
60 = T
m₁ = 1kg
T₁ = 70⁰C
m₂ = 200g = 0,2 kg
T₂ = 10⁰C
Q keluar = Q masuk
m . c . ΔT = m . c . ΔT karena nilai c sama
m . ΔT = m . ΔT
1 kg . (70 - T)°C = 0,2 kg . (T-10)°C
70 - T = 0,2T - 2
70 + 2 = 0,2T + T
72 = 1,2 T
60 = T
suhunya adalah 60⁰C