A rigid container is charged with a gas to a pressure of 740 mmHg at 40.0°C and tightly sealed. If the temperature of the gas increases by 80.0°C what is the new pressure?
1480 mmHg
589 mmHg
551 mmHg
929 mmHg
1110 mmHg
i my friend say this chem answer is 929 mmHg?
2021-03-10 2:16 pm
回答 (1)
2021-03-10 2:57 pm
✔ 最佳答案
Initial: P₁ = 740 mmHg, T₁ = (273.2 + 40.0) K = 313.2 KNew, P₂ = ? mmHg, T₂ = (313.2 + 80.0) K = 393.2 K
For a fixed amount of gas at constant volume, P₁/T₁ = P₂/T₂
Then, P₂ = P₁ × (T₂/T₂)
New pressure, P₂ = 740 × (393.2/313.2) mmHg = 929 mmHg
The answer: 929 mmHg
收錄日期: 2021-04-23 23:06:57
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