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Ugh..need more help on these chemical equations..please..

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Ugh..need more help on these chemical equations..please..

Post  jerrbear on Mon Jan 26, 2009 10:42 pm

I realllly need ur help.
please && thank you.


1.Sodium + Water ----->Sodium hydroxide + hydrogen

2. calcium hydroxide + phosphoric acid ------> calcium phosphate + water


3. potassium nitrate ----> potassium nitrite + oxygen


4. Iron(II) oxide + carbon monoxide ---->iron + carbon dioxide


PLEASEEEEEE help.

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Re: Ugh..need more help on these chemical equations..please..

Post  funion987 on Tue Jan 27, 2009 12:10 am

Actually, this is good practice for my exam tomorrow.

1. Na + 2H2O ---> Na(OH)2 + H2

2. 3Ca(OH)2 + 2H3PO4 ---> Ca3(PO4)2 + 6H2O

3. 2KNO3 ---> KNO2 + 2O2

4. FeO + CO ---> Fe + CO2
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