October 2018 1 441 Report
Sebuah bejana berisi x gram air bersuhu 42`C dicampur dengan y gram es bersuhu -4'C.seyelah diaduk,ternyaya 50 persen es melebur.jika dianggap tidam mengambil maupun melepas kalor,berapakah perbandingan massa x dan y?

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