HESS'S LAW PROBLEM..?

  • Thread starter Thread starter jesuismeghan
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jesuismeghan

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Desired equation: 2CH4(g) ->CqH4(h)+2H2(g)

... (1) 2C2H6(h)+7O2(g) -> 4O2(g)+ 6H2O(l)
(2) CH4(g) +2O2(g) -> Co2(g)+2H2o(l)
(3) C2H4(g)+H2(g) -> C2H6(g)
(4) H2(g) +1/2 O2(g) -> H2O(l)


.. how can i morph these equations to get my desired equation?? .. its stressing me out, because there are alot of unneeded compounds..
THANKS!
 
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