October 2018 2 780 Report
Satu kilogram es suhunya -2 derajat celcius. bila tiyik lebur es=0 derajat celcius, kalor jenis es0,5 kalori/g derajat celcius; kalor jenis air=1 kal/g dan 1 kalori=4,2 J maka kalor yang diperlukan untuk melwburkan seluruh es tersebut?
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