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Physics, 22.07.2021 06:30 Thejollyhellhound20

Nhiệt lượng tỏa ra từ một vật có khối lượng 300g khi nó được làm lạnh trong 300g nước làm cho nhiệt độ của khối nước này tăng từ 30°C đếb 40°C. Biết nhiệt độ ban đầu của vật là 50°C. Nhiệt dung riêng của vật là bao nhiêu? (cal/g.°C)

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Nhiệt lượng tỏa ra từ một vật có khối lượng 300g khi nó được làm lạnh trong 300g nước làm cho nhiệt...
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