October 2018 1 31 Report
Bantu aku ya beserta caranya..
1.jika air sebanyak 250gram bersuhu 20 C dicampur dengan air 125 gram suhu 50 C,Suhu campurannya sebesar??

2.air yg kalor jenisnya 4.200j/kgC memerlukan kalor 840kj ketika suhunya dinaikan dari 30 C menjadi 70 C. Massa air yg digunakan adalah??
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