June 2019 1 39 Report
Air bersuhu 40ºC dicampur dengan 0, 5kg alkohol bersuhu 30ºC .Suhu campuran menjadi 35ºC .Jika kalor jenis alkohol 2100 J/kg ºC dan kalor jenis air 4200 J/kgºC .Kalor yang dilepas oleh air kepada alkohol...
A.5250 J
B.10500J
C.31500 J
D.3675 J

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