diketahui :
m = 500 g = 0,5 kg
c es = 2100 J/Kg°C
c air = 4200 J/Kg°C
L es = 336000 J/Kg
ditanya :
Q B-D
jawab :
B-C proses es melebur
Q1 = m . L
= 0,5 x 336.000
= 168.000 j
= 168 KJ
C-D proses suhu air naik 100° c
Q2 = m . c air . Δt
= 0,5 x 4.200 x ( 100 - 0 )
= 210.000 J
= 210 KJ
Q B-D = Q1 + Q2
= 168 + 210
= 378 KJ
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diketahui :
m = 500 g = 0,5 kg
c es = 2100 J/Kg°C
c air = 4200 J/Kg°C
L es = 336000 J/Kg
ditanya :
Q B-D
jawab :
B-C proses es melebur
Q1 = m . L
= 0,5 x 336.000
= 168.000 j
= 168 KJ
C-D proses suhu air naik 100° c
Q2 = m . c air . Δt
= 0,5 x 4.200 x ( 100 - 0 )
= 210.000 J
= 210 KJ
Q B-D = Q1 + Q2
= 168 + 210
= 378 KJ