Berapa suhu akhir campuran jika 50 gramair bersuhu 0 derajatC ditambahkan ke 100 gram air bersuhu 90.... Question from @aputriana25

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October 2018 2 67 Report

Berapa suhu akhir campuran jika 50 gramair bersuhu 0 derajatC ditambahkan ke 100 gram air bersuhu 90 derajatC ?
a. 15 C
b. 45 C
c. 60 C
d. 75 C

tolong bantuin ya pliiiis

FadlyHermaja $T=\frac{T_1*m_1+T_2*m_2}{m_1+m_2} \\ \\ T=\frac{0*50+90*100}{50+100}=60^o$
Jawaban C

2 votes Thanks 7

MicoArrafi $\bigstar\ \bold{\underline{Solution\ best\ answer}}\ \bigstar
$

$$\begin{align} T_c&=\frac{m_1T_1+m_2T_2}{m_1+m_2}\\&=\frac{50\times0+100\times90}{50+100}\\&=\frac{9.000}{150}\\&=\boxed{60^{\circ}C} \end{align}$

4 votes Thanks 3