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  1. LAPPETT

    what is the siemens competition and how do you enter?

    my school has a banner in the hallway so i looked up the website but it was confusing. it looks like a science competition, but they didnt say anything about how to enter or get selected... can someone explain a little better? thanks
  2. LAPPETT

    what is the siemens competition and how do you enter?

    my school has a banner in the hallway so i looked up the website but it was confusing. it looks like a science competition, but they didnt say anything about how to enter or get selected... can someone explain a little better? thanks
  3. LAPPETT

    what do you do when everything in the net ionic equation cancels out?

    so its KOH + NH4Br -> NH4OH + KBr theyre all soluble so they all dissociate and then cancel out, so nothings left! what should i do?
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