The answer as stated in the question is wrong which is why it can not be balanced. To balance
Ca + 2H20 -------> Ca(OH)2 + H2
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The coefficient for water in the balanced equation is 6.
No, the balanced equation is 6Ca + 3O2 ---> 6CaO. The product, calcium oxide, is CaO and not CaO2.
2H2 + O2 ---> 2H20 is balanced when total numbers of atoms of EACH element seperately are equal on both sides ('Reactant' and 'Product' side): Left (2x H2=) 4 H atoms and (1x2 O=) 2 O atoms Right (2x H2=) 4 H's and (2x1 O=) 2 O's
This equation is 2 H2O (liquid) = 2 H2 (gas) + O2 (gas)There must be 4 atoms / 2 diatomic molecules of hydrogen on each side to yield O2This is the electrolysis of water.
The balanced chemical equation for the combustion of ethanol (C2H6O2) is: C2H6O2 (ethanol) + 3 O2 (oxygen) -> 2 CO2 (carbon dioxide) + 3 H2O (water).
The chemical equation given “H2 + O2 -> H2O” is not balanced. To balance it, you need to modify the coefficients in front of the molecules. The balanced equation should be: "2H2 + O2 -> 2H2O" where you have two molecules of hydrogen gas reacting with one molecule of oxygen gas to produce two molecules of water.
No. It would have to be H2O2 - H2 = O2 in order to be balanced.
2K(s) + 2H2O(l) = 2KOH(aq) + H2(g) The eq'n is balanced. The coefficients ( molar ratios) in order of the reation eq'n are 2:2:::2:1
It is not balanced. There should be a 2 in front of H2 and H2O
2h2 + o2 -> 2h2o All letters capitalized!!
The balanced chemical equation is 2H2 + O2 → 2H2O. This means that the coefficients are 2, 1, and 2, respectively.
In order to have a balanced equation, adding the reactant H2 And O2 (H2+O2) have to come out equal on the product side and the reactant side. This would look like H2+O2 = H2O2
The coefficient for water in the balanced equation is 6.
Zn+ H2O ---> ZnO + H2 Zn+ H2O ---> ZnO + H2
The balanced symbol equation for water is 2H2 + O2 -> 2H2O.
You need to have values for K, Br2 and 2KBr in order to find out the balance. For example, if you had the values as H2 + O2 = H20 the balanced chemical equation would be 10 H2 = H20.
No, the equation H2 O2 - H2O is not balanced. To balance it, you would recognize that one molecule of hydrogen peroxide (H2O2) can decompose into two molecules of water (H2O) and one molecule of oxygen (O2). The balanced equation would be: 2 H2O2 → 2 H2O + O2.