Physics, 22.07.2021 06:00 emokitten

Bài 21 : Một bình được cân 3 lần và cho kết quả như sau : Bình chứa không khí cân nặng 126,29 g Bình chứa khí cácbonic cân nặng 126,94 g Bình chứa nước cân nặng 1125 g, Hãy tính trọng lượng riêng của khí cácbôníc , dung tích và trọng lượng của bình. Cho biết trọng lượng riêng của không khí là 12,9 N/m

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Bài 21 : Một bình được cân 3 lần và cho kết quả như sau : Bình chứa không khí cân nặng 126,29 g Bình...

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