October 2018 1 23 Report
4.seatangtimah bermassa 1,5kg dipanaskan hingga titik lebunya apabila kalor libur timah 25000 j/kg .kalor yg di perlukan untuk meleburkan timah seluruhnyasebesar.......jous

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5.ibu merebus 2kg air bersuhu 28 derajat celcius hingga mendidih .apabila kalor jenis air 4200j/kg°c , kalor yg perlukan sebesar

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