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ch5_ex

# ch5_ex - torr 760 1 = = atm torr atm P 737 760 1 torr 200...

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Example #1 A gas is contained in flask A at the right with a manometer attached and the initial height (h i ) of the Hg column is 125. mmHg as depicted. Flask B is completely empty and is connected to flask A by a valve. When the valve is opened the cambers equilibrate and the height of the Hg column (h f ) is -200. mmHg relative to h i . What is the volume of flask B, if this all occurs at a temperature of 25.0 ºC and external pressure of 1.00 atm? 2.00 L 1.00 atm 25.0 ºC h i = 125. mmHg h f = -200. mmHg h V b = ? A B

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Example #1a ( 29 ( 29 ( 29 ( 29 mol K K mol atm L L atm RT PV n 2 10 52 . 9 298 / 08206 . 0 00 . 2 16 . 1 - × = - - = = [ ] atm torr atm P 16 . 1 760 1 torr 25. 1
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Unformatted text preview: torr 760. 1 = + = [ ] atm torr atm P 737 . 760 1 torr . 200 torr 760. 2 = -= ( 29 ( 29 ( 29 L atm K K mol atm L mol V Total 16 . 3 .737 298 / 08206 . 10 52 . 9 P nRT 2 =--× = =-L L L V V V A Total B 16 . 1 00 . 2 16 . 3 =-=-= Example #1b 2 1 1 2 2 2 1 1 P V P V V P V P = ⇒ = orr . 560 torr . 200 torr 760. 2 t P =-= ( 29 ( 29 L t L torr P V P V Total 16 . 3 orr 60. 5 00 . 2 885 2 1 1 = = = L L L V V V A Total B 16 . 1 00 . 2 16 . 3 =-=-= orr 885 torr . 125 torr 760. 1 t P = + =...
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