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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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oblique101 oblique101
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9 years ago
f 2 Al (s) + Fe2O3 (s)---> Al2O3+2Fe    Delta H rxn= -851.5 kJ

then 1/4 Al2O3 +1/2 Fe----> 1/2 Al +1/4 Fe2O3 Delta H rxn = ?

In this case, am I supposed to flip the second equation and multiply by 4 or by 1/4??

HELP!
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Educator
9 years ago
Quote from: oblique101 (9 years ago)
In this case, am I supposed to flip the second equation and multiply by 4 or by 1/4??

Yes... Sorry for taking so long to answer this simple one Face with Stuck-out Tongue
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