September 2019 1 43 Report
Sekeping logam bermassa 840 g bersuhu 140°c dimasukkan ke dalam bejana berisi 900 g air bersuhu30"c kalor jenis air 4200 J/Kg.°c. Beberapa saat kemudian campuran menjadi stabil pda suhu 40°c. Jenis logam yg dimasukkan adalah
a. Aluminium 900 J
b. Besi 460 J
c. Baja 450 J
d. Tembaga 390 J
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