It is balanced. 1...2...1...2
CH4+O2 NaOH+H2
1,4,2,1
2H2 + O2 --> 2H2O
4,1,2
This is because when we balance a redox reaction, the stoichiometric coefficients are such that the total positive Oxidation number in the reaction and the Total negative Oxidation number corresponds to the net charge of the reaction.
The balance equation would be 4Fe + 3O2 ==> 2Fe2O3, so the coefficients are 4, 3, 2.
That's an easy one to balance as long as know the products. Magnesium carbonate decomposes into magnesium oxide and carbon dioxide. Here's the equation: MgCO3 --> MgO + CO2. The equation requires no coefficients to balance; it balances itself.
2, 1, 1
2H2 + O2 --> 2H2O
If your goal is to balance the equation, then yes, you have to chose the coefficients.
4,1,2
2,1,2
The balanced equation for this decomposition reaction is 2 H2O2 -> 2 H2O + O2.
This is because when we balance a redox reaction, the stoichiometric coefficients are such that the total positive Oxidation number in the reaction and the Total negative Oxidation number corresponds to the net charge of the reaction.
coefficients
beta emission
The balance equation would be 4Fe + 3O2 ==> 2Fe2O3, so the coefficients are 4, 3, 2.
That's an easy one to balance as long as know the products. Magnesium carbonate decomposes into magnesium oxide and carbon dioxide. Here's the equation: MgCO3 --> MgO + CO2. The equation requires no coefficients to balance; it balances itself.
Tsubscripts of the reactants equal the subscripts of the products.