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m.air.2 = 50 gr
t.air 1 =
t.air 2 =
ditanya t.c
menurut azas black
Q.dilepas = Q.diterima
m.air 2 x c.air x Δt = m.air 1 x c.air x Δt ....bagi dengan c
50 x (100 - tc) = 75 x (tc - 0) ....bagi dengan 25
2(100 - tc) = 3 tc
200 - 2.tc = 3.tc
200 = 3.tc + 2.tc
200 = 5.tc
tc = 200/5
tc =
jadi, suhu campuran adalah