Jawaban:
T = 62,86°C
Penjelasan dengan langkah-langkah:
Asas Black :
m × c × (Th - T) = M × c × (T - Tc)
m = massa air panas = 0,5 kg
M = massa air dingin = 0,2 kg
Th = suhu air panas = 80°C
Tc = suhu air dingin = 20°C
T = suhu campuran
m × (Th - T) = M × (T - Tc)
0,5 × (80 - T) = 0,2 × (T - 20)
0,5 × 80 - 0,5T = 0,2T - 0,2 × 20
40 + 4 = 0,2T + 0,5T
44 = 0,7 T
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Jawaban:
T = 62,86°C
Penjelasan dengan langkah-langkah:
Asas Black :
m × c × (Th - T) = M × c × (T - Tc)
m = massa air panas = 0,5 kg
M = massa air dingin = 0,2 kg
Th = suhu air panas = 80°C
Tc = suhu air dingin = 20°C
T = suhu campuran
m × (Th - T) = M × (T - Tc)
0,5 × (80 - T) = 0,2 × (T - 20)
0,5 × 80 - 0,5T = 0,2T - 0,2 × 20
40 + 4 = 0,2T + 0,5T
44 = 0,7 T
T = 62,86°C