Physics, 24.07.2021 16:30 kkmonsterhigh18

thể tích của lạc được xác định theo phương pháp thay thế chất khí . hai thùng đo có thể tích bằng nhau 50 cm3.mẫu được cho vào thùng 2 .đầu tiên van 1 mở van 2,3 đóng . không khí được bơm vào thùng 1 cho đến khi áp suất cân bằng là 140 kPa. tiếp đến van 1 đóng mở van 2.cân bằng mới được thiết lập ở áp suất 75 kPa. xác định thể tích của lạc

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thể tích của lạc được xác định theo phương pháp thay thế chất khí . hai thùng đo có thể tích bằng nh...

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