How to Balance, what type of reaction Ag(s) + O2(g) => Ag2O(s)?

High school chemistry

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  • 9 years ago
    Favorite Answer

    Ag(s) + O2(g) --> Ag2O is a synthesis reaction

    how many Ag atoms are in the products? 2, so we have to have 2 in the reactants, place a 2 before the Ag on the reactant side

    how many O atoms are in the products? 1, so we need 1 in the reactants. since we have 2 oxygen atoms in the reactants, how can we make 2 oxygens 1? by placing a 1/2 in front of the O2. BUT since we cannot have fractions of molecules, we must multiply the entire equation by 2

    2Ag + 1/2 O2 --> Ag2O

    becomes 4Ag + O2 + 2Ag2O

    to simplify this, Ag + O2 -> Ag2O

    how many oxygens are in the reactants? 2, so we need to place a 2 in front of the Ag2O. this will give us 4 Ag atoms in the products and only 1 in the reactants, place a 4 in front of the Ag(s) and the equation is balanced. this was an easy one. the way i teach this is to always balance single elements last. but, in this case, we have Ag and O2 which are single elements. so it really doesn't matter.

  • 3 years ago

    Ag2o Ag O2

  • 4 years ago

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    How to Balance, what type of reaction Ag(s) + O2(g) => Ag2O(s)?

    High school chemistry

    Source(s): balance type reaction ag o2 gt ag2o s: https://shortly.im/LMeEA
  • Anonymous
    4 years ago
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  • Mary
    Lv 4
    4 years ago

    For the best answers, search on this site https://shorturl.im/MVfti

    RCHO +H2O>>RCOO- +3H+ +2e- 2Ag+ +2e- >> 2Ag RCHO +H2O +3OH- >>RCOO- +3H+ +3OH- +2e- 2Ag+ + 2e- >>2Ag RCHO +3OH- >>RCOO- +2H2O +2e- 2Ag+ +2e- >>2Ag RCHO + 3OH- + 2Ag+>>RCOO- +2Ag + 2H2O

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