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nguyenbacong2k1
2 năm trước
Một nồi đồng có khối lượng 0,2kg chứa 3 lít nước.Tính nhiệt lượng cần thiết để đun sôi nồi nước này từ 20*C đến khi nước sôi.Biết nhiệt dung riêng của nước là 4200J/kg.k và của đồng là 380J/kg.k. Giúp mình nha!!Hứa sẽ vote 5* nhé! *:là độ c nhé
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