August 2018 1 89 Report
Diperlukan kalor sebanyak 7 x 10⁴ J untuk melebur timbal pada titik leburnya. Apabila kalor lebur timbal 25.000 J/Kg, timbal yang melebur sebanyak........Kg
a. 0,28 c. 3,6
b. 2,8 d. 4,0

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