ICSE Class 9 Answered
A moist gas is stored in a container of volume 870cc temperature 9°C and pressure of 659 mm Hg . Calculate its final volume at S.T.P. . Given vapour pressure at 9°C is 9 mm Hg.
Asked by dp8067624 | 01 Feb, 2019, 11:05: AM
Expert Answer
Given:
870cc temperature 9°C and pressure of 659 mm Hg. Calculate its final volume at S.T.P. . Given vapour pressure at 9°C is 9 mm Hg.
T1 = 9 °C
= (9+273) = 282 K
V1 =870cc
P1 = 659 mm Hg
Vapour pressure = 9 mm Hg
So, Pressure of dry gas = 659 - 9
= 650 mm Hg
Now,
P1 = 650 mm Hg
At STP,
T2 = 273 K
P1 =760 mmHg
V1 =?
The final volume of gas at S.T.P. is 720.33 cc.
Answered by Varsha | 01 Feb, 2019, 11:57: AM
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