inget kalor jenis air = 1 kal/g°C
kalor lebur es = 80 kal/g°C
berarti
Q lepas (air) = Q serap (es)
m x c. air x delta t = m x c. es x delta t + m x L
m x 1 x 4 = nx 1/2 x (0-(-4) + 1/2 x n x 80
4m = 2n + 40n
4m = 42n
2m = 21n
m = 21n/2
perbandingan
m : n =
21n/2 :n =
21 n : 2n =
21 : 2
Jawaban:
d. 21:2
Penjelasan:
kalor jenis air = 1 kal/g°C
Maka,
m × C. air × delta t m × C. es × delta t + m × L
m × 1 × 4 = nx ½ × (0-(-4) + ½ × n × 80
= 42n
Maka, perbandingannya adalah :
m : n
21n/2 : n
21n : 2n
===========================
Mapel : Fisika
Kelas : 10 SMA
Materi : Kalor
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inget kalor jenis air = 1 kal/g°C
kalor lebur es = 80 kal/g°C
berarti
Q lepas (air) = Q serap (es)
m x c. air x delta t = m x c. es x delta t + m x L
m x 1 x 4 = nx 1/2 x (0-(-4) + 1/2 x n x 80
4m = 2n + 40n
4m = 42n
2m = 21n
m = 21n/2
perbandingan
m : n =
21n/2 :n =
21 n : 2n =
21 : 2
Jawaban:
d. 21:2
Penjelasan:
kalor jenis air = 1 kal/g°C
kalor lebur es = 80 kal/g°C
Maka,
Q lepas (air) = Q serap (es)
m × C. air × delta t m × C. es × delta t + m × L
m × 1 × 4 = nx ½ × (0-(-4) + ½ × n × 80
4m = 2n + 40n
= 42n
2m = 21n
m = 21n/2
Maka, perbandingannya adalah :
m : n
21n/2 : n
21n : 2n
21 : 2
Detil Jawaban
===========================
Mapel : Fisika
Kelas : 10 SMA
Materi : Kalor
===========================
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