Question

Tolong jawab no 32 ya,, pliis besok mau di kumpulkan

Answer 1

Diketahui :
Ka = 2Kb
Ta = 20°C
Tb = 80°C
La = Lb
Aa = Ab
Tc =.....?

Hb = Ha
Kb. Ab. (Tb-Tc) = Ka. Aa. (Tc-Ta)
______________ ______________
Lb La
Kb . (80-Tc) = 2Kb . (Tc-20)
80 - Tc = 2Tc - 40
80 + 40 = 2Tc + Tc
120 = 3Tc
40°C = Tc