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nhung714
2 năm trước
Hai tàu có thể tích V1 = 40 L và V2 = 10 L được nối với nhau bằng một ống hẹp có gắn van ban đầu. Van mở khi P1 ≥ P2 + 105 Pa. P1 và P2 lần lượt là áp suất trong các tàu 1 và 2. Áp suất và nhiệt độ ban đầu trong tàu 1 là Po = 0,9 × 105 Pa và To = 300 K. Tàu 2 ban đầu được sơ tán. Nếu nhiệt độ trong cả hai tàu được nâng lên T = 500 K. Tìm: a) Nhiệt độ tại đó van được mở. b) Áp suất cuối cùng trong mỗi tàu
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