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Heroes TV Fan Forum » Beyond "Heroes" » What's on your Mind? (aka Anything Goes) » Chemistry - help,please
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09-30-2009, 04:38 PM
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#1 |
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Robin
 Join Date: Sep 2009
Posts: 84
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Chemistry - help,please
I have a homework and the teacher will write notes to it so can someone check it ,please?I suck in Chemistry.Here it is:
1)FeS+ ? -> FeCl2 2)H2S+ ? -> CuS 3)S+ ? -> FeS 4)S+ ? -> H2S 5)S+ ? -> Na2S 6)H2S+ ? -> Na2S 7)S+ ? -> SO2 8)SO2+ ? -> SO3 9)SO2+ ? -> H2SO3 10) SO3+ ? -> H2SO4 11) H2SO4+ ? -> K2SO4 My determination 1)FeS+2HCl -> FeCl2 + H2S 2)H2S+CuO-> CuS+H2O 3)S+Fe->FeS 4)S+H2->H2S 5)S+2Na->Na2S 6)H2S+2Na->Na2S+H2 7)S+O2->SO2 8)2SO2+O2->2SO3 9)SO2+H2O-> H2SO3 10)SO3+H2O->H2SO4 11)H2SO4+2KOH->K2SO4+2H2O Last edited by Ogyn; 09-30-2009 at 05:04 PM.. |
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10-02-2009, 02:30 AM
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#2 |
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Robin
Join Date: Sep 2009
Posts: 84
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Re: Chemistry - help,please
Someone have to delete this topic...
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