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April 17, 2014

April 17, 2014

Posted by **Anonymous** on Sunday, November 29, 2009 at 7:15pm.

- chemistry -
**DrBob222**, Sunday, November 29, 2009 at 7:37pmEquation is 2C2H2 + 5O2 ==> 4CO2 + 2H2O for burning acetylene.

Use PV = nRT

Calculate n, number of moles of oxygen in the 5.00 L tank. Use any T that's convenient for both calculations (this one and the last one).

Next, convert moles oxygen to moles acetylene. Use the equation for burning acetylene in oxygen.

Now use PV = nRT again, this time for the 3.00 L tank with the new n calculated for acetylene. Post your work if you get stuck.

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