Chem 177 Balancing Chemical Equations[Ch3]

Chem 177 Balancing Chemical Equations[Ch3] - 9. Make sure...

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Guidelines (Balancing equations is trial and error): 1. Count atoms on each side of equation. Determine which need to be balanced. 2. Start with elements other than H, O. 3. Save elements in more than 1 compound to very end. 4. Choose an element in the most complicated compound. 5. Put coefficients in front of compounds to bring elements into balance. Never change a subscript in a compound. 6. Move on to next element and balance. Repeat as necessary. 7. Balance O and then H. 8. Check to make sure all atoms balance.
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Unformatted text preview: 9. Make sure that all coefficients are whole numbers. If not, multiply all coefficients by the same number to make all coefficients whole numbers. Interesting example: G.R.Blakley in Journal of Chemical Education , vol.59, p.728, 1982 CO + CO 2 + H 2 CH 4 +H 2 O CO + CO 2 + 7 H 2 2 CH 4 + 3 H 2 O 2 CO+ CO 2 + 10 H 2 3 CH 4 + 4 H 2 O CO + 2 CO 2 + 11 H 2 3 CH 4 + 5 H 2 O All are correct under different reaction conditions!!...
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This note was uploaded on 09/09/2011 for the course CHEM 177 taught by Professor Greenbowe during the Fall '06 term at Iowa State.

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