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July 31, 2014

Homework Help: more CHEM proofreading

Posted by jerson on Sunday, April 27, 2008 at 8:06pm.

for this question A sample of air has a volume of 140.0 mL at 67 degrees celcius. At what temperature would its volume 50.0 mL at constant pressure
I did
140.0 ml... 67+273=340
T2... 50.0
140.0=50.0
340=T2
340*50.0/140.0=121.4

This question i don't get because of the scientific notation. A sample of oxygen that occupies 1.00 x 10^6 mL at 575 mm Hg is subjected to a pressure of 1.25 atm. What will the final volume of the sample be if the temp is held constant?

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