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Physical Chemistry

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10 Apr 2008 10:34:20 IST

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40 percent of a mixture of N2 and H2 of .2 and .6 moles respectivly reacts to form NH3.......find no of moles oF nh3,,,,,IS IT ..16 OR .08??

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BALGANESH

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Joined: 14 Nov 2007

Posts: 309

10 Apr 2008 15:39:29 IST

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total no of moles = 8

40% = 3.2 moles of the mixture

now this 3.2 moles of mixture contain 0.8 mole of N2 rest H

N2 + 3H2 = 2NH3

now 1 mole ofN2 reacts with 3 mole of H2 therefore 0.8 mole of N2 will react with 2.4 mole of H2 which is present

therefore from the reaction 1mole N2 = 2 mole of NH3

0.8 mole of N2 = 1.6 mole of NH3

varsha valli g.

Blazing goIITian

Joined: 31 Jan 2007

Posts: 515

10 Apr 2008 15:53:49 IST

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@ BALGANESH
it is 0.2 and 0.6 moles not 2 and 6.
so the ans is 0.16 moles
!!!!!!!!!!!!!!!!!!!!

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