AL chem 一條pressure既問題
2008-07-19 7:36 pm
250 cm3 of oxygen was colected at 20 celsius and 785 mmHg. The temperature was 37 celsius and the pressure was 770mmHg on the next day . Calculate the volume of oxygen.
回答 (1)
2008-07-19 9:01 pm
✔ 最佳答案
V1 = 250 cm3
T1 = 273 + 20 = 293 K
P1 = 785 mmHg
V2 = ?
T2 = 273 + 37 = 310 K
P2 = 770 mmHg
P1V1/T1 = P2V2/T2
785x250/293 = 770V2/310
V2 = 269.7 cm3
The final volume of oxygen is 269.7 cm3.
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