Jawabanmu

2014-02-11T20:40:35+07:00
Q lepas = Q terima
m x c x Δt = m x c x Δt
300g x 1kalori/g°C x (25-tc)°C = 50g x 0,5kalori/g°C x (tc-0)°C
300 x (25-tc) = 25 x (tc-0)°C
7500 - 300tc = 25 tc -0
7500= 25 tc + 300tc
7500= 325 tc
 \frac{7500}{325} = tc
23,076 = tc

tc= temperature campuran