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Chemical Equations

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Chemical Equations

Post  Raderford on Mon Jan 09, 2012 2:17 pm

I know how to balance chemical equations, but I really don't understand how to know the product of some, for me, very difficult equations if only the reactants are given, for example:
H2S+K2Cr2O7+H2SO4--->
Cu+HNO3(concetrated)--->why the products aren't Cu(NO3)2+H2
Please help me, I have dozens of examples but I can't solve a single one.

Raderford

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