Solve the problem and give me answer fast.
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1.-74.8 kj per mol
first reverse the equation no3 so it's H become -890.3
then multiply the equation no2 by 2 it's H become 2*-285.8
then do eq 1 plus eq 2 - eq 3
you will get it
first reverse the equation no3 so it's H become -890.3
then multiply the equation no2 by 2 it's H become 2*-285.8
then do eq 1 plus eq 2 - eq 3
you will get it
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