September 2018 1 21 Report
Es bermassa 800 gram dipanaskan dari -10°c menjadi air bersuhu 40°c. Jika kalor lebur es=80 kal/g, kalor jenis es =0,5kal/g°c, banyak kalor pada proses adalah......kkal
A.12
B.64
C.68
D.72
Mohon jawabannya dan caranya
Terima kasih.
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