Physics, 19.06.2021 05:50 chjfjyjh7026

1. Khi nào ta biết được chất rắn nóng chảy hoàn toàn? 2. Nếu nhiệt độ nóng chảy là xác định thì chất rắn ta xét là chất rắn kết tinh hay vô định hình. Vì sao?

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1. Khi nào ta biết được chất rắn nóng chảy hoàn toàn? 2. Nếu nhiệt độ nóng chảy là xác định thì chấ...

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