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April 24, 2014

April 24, 2014

Posted by **Wolfgang** on Thursday, April 26, 2012 at 6:36pm.

- Chemistry -
**DrBob222**, Thursday, April 26, 2012 at 9:50pm2C2H2 + 5O2 ==> 4CO2 + 2H2O

The long way is to use PV = nRT and solve for n= number of mols O2 in the 5L tank. Convert that to mols C2H2 used and resubmit to PV = nRT and solve for P.(Note that you don't have a T listed but you can make up one and use it for both sets of data.)

The shorter way is to see that

PV= nRT can be modified to

PVk = n

(V1/V2) x (2 mol C2H2/5 mols O2) = ?

- Chemistry -
**...**, Wednesday, January 22, 2014 at 9:02pm0.4444

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