Asas Black

m1   : 2 kg
m2   : 5 kg
T1    : -4*C
T2   : 0*C
T3   : 80 derajat C
c (masa jenis es)   : 2100J/Kg*C
c (masa jenis air)  : 4200J/Kg*C
L      : 336.000 J/Kg*C

Suhu akhir   : ……………….?

kerjakan menggunakan hukum asas black! *saya belum diajari

Default Asked on February 21, 2016 in Fisika.
Add Comment
1 Answer(s)

m1 Ces (4) + m1 L + m1 Ccair (x-0) = m2 Cair (80-x)
2 . 2100. 4 + 2. 336000 + 2 . 4200 x = 5 . 4200. (80-x)
16800 + 672000 + 8400 x = 1.680.000 – 21000 x
688.800 – 1.680.000 = – 21.000 x – 8400 x
-991.200 = -29.400 x
x = 33,714o C

buat rekan-rekan yang lain kalau ada koreksi ya

Train Answered on March 13, 2016.
Add Comment

Your Answer

By posting your answer, you agree to the privacy policy and terms of service.