this is before balancing and after balancing it should look like this. C=3 C=3 According to the law of conservation the reaction should be balanced. 2H2O2 = 2H2O + O2 balancing an equation means to have same number of atoms on both sides of the equation example : Fe2O3 + CO = Fe + CO2 . Coefficients must be added in order to balance the equation. 4. Input Equation Balanced Equation; AlBr3 + Cl2 = AlCl2 + Br3: AlBr3 + Cl2 = AlCl2 + Br3: AgNO3 + AlCl3 = AgCl + Al(NO3)3: 3AgNO3 + AlCl3 = 3AgCl + Al(NO3)3 If you do not know what products are enter reagents only and click 'Balance'. Fe2O3 + 3CO = 2Fe + 3CO2. The final balanced equation will look like this, 2H2O2 -> 2H2O + O2. O=6 O=6. For instance equation C6H5C2H5 + O2 = C6H5OH + CO2 + H2O will not be balanced, but PhC2H5 + O2 = PhOH + CO2 + H2O will; Compound states [like (s) (aq) or (g)] are not required. This reaction is of the spontaneous decomposition of hydrogen peroxide down into water and oxygen. 3. SO2 + O2 + 2 H2O → 4 H2SO4 H2O2 → H2O + O2 2 Fe2O3 + 3 C → 4 Fe + 3 CO2 2 Mg + HC1 → MgCl2 + H2 2h2o2 --> h2o + 2o2. Then notice that you need one more oxygen to get that diatomic O2. O=4 O=2. 2H2O2→2H2O+O2. 1. h2o2 --> h2o + o2. C=1 C=1. In many cases a complete equation will be suggested. H2 + O2 --> H2O is incorrect because it is not balanced, i.e. Fe=2 Fe=2. Add 2 molecules of hydrogen peroxide and 2 molecules of water. Get an answer for 'Balance the redox reaction and identify what are the oxidizing and reducing agents H2O2 + MnO4- ---> Mn2+ + O2 (g) ' and find … Then multiply everything by 2 to get rid of that fraction. 2. 2h2o2 --> 2h2o + 2o2 Fe=2 Fe=1. First write the equation as you did, H2O2 -> H2O + O2. 2h2o2 --> 2h2o + o2. it does not have the same numbers of atoms of each element on both sides. Temporarily put 1/2 in front of O2. Which of the following is a balanced chemical equation? Find an answer to your question The correctly balanced equation for H2O2 → H2O + O2 is A) H2O2 → 2H2O + O2 B) H2O2 → H2O + 2O2 C) 2H2O2 → 4H2O + O2 D) 2H2O2 …