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thuonghoaidhsp0904
2 năm trước
Một ấm nhôm có khối lương 600g chứa 3kg nước. Tính nhiệt lượng cần thiết để đun sôi nước. Biết nhiệt độ ban đầu của ấm và nước là 25°C( Cnhôm =880J/Kg.k, Cnước =4200j/kg.K)
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