October 2018 1 534 Report
Pak roby akan membuat kopi jos. ia mencampurkan 25 g arang bersuhu 125 c ke dlm larutan kopi 300 g bersuhu 75 c. jika suhu campuran kopi jos 85 c , berapa besar kalor jenis arang.? ( Ckopi=Cair=1000 kal/kg c )

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