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2 năm trước
6. Giảm nhiệt độ của lượng khí được giam trong xilanh (đẳng tích) đi 60K, thấy áp suất từ 1,2 atm còn 1,1atm. Xác định nhiệt độ ban đầu T1 và nhiệt độ sau T2. 7. Khi tăng nhiệt độ của lượng khí xác định trong bình kín lên thêm 100K thì thấy áp suất tăng từ 1 atm lên 1,3 atm. Xác định nhiệt độ ban đầu và sau khi tăng nhiệt độ của khí. 8. Khí biến đổi trạng thái từ trạng thái 1 có áp suất 2 atm, thể tích 20 lít, nhiệt độ 27 độ C đến trạng thái 2 có áp suất 1,8 atm, thể tích V2, nhiệt độ 600K. Xác định thể tích mới V2 của khí.
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