2NO + O2 --> NO2 is not balanced. There are two nitrogen atoms on the left and only one on the right. There are four oxygen atoms on the left and only one on the right. The correct balanced equation is 2NO + O2 --> 2NO2.
N2 + O2 --> 2NO
Balanced Equation: 2Mg(NO3)2 = 2MgO + 4NO2 + O2
2H2O2 ==> 2H2O + O2 the equation is balanced
2H2 + O2 ---->2H2O is balanced for the following reasons. Hydrogen and oxygen exist as H2 and O2 and not H and O. The product is water with a formula of H2O. To get balance the number of atoms of reactants and the number of atoms of products must be equal. They are in the balanced equation above. For these reasons the equation is balanced.
n+o2=no2
First, capitalization matters in chemistry. The proper formula for nitrogen monoxide (nitric oxide) is NO. No is the symbol for the element nobelium. The balanced equation is 2NO + O2 --> 2NO2
N2 + O2 --> 2NO
Balanced Equation: 2Mg(NO3)2 = 2MgO + 4NO2 + O2
2 no + o2 -> 2 no2
N2 + o2 = no2
The reactions are:N2 + O2 = 2 NO2 NO + O2 = 2 NO2
This is not an equation at all. An example of a correct (and balanced) equation would be: 2H2 + O2 --> 2 H2O
The balanced equation is: CH4 + 2 O2 → CO2 + 2 H2O
If you mean the equation for the production of NO from the elements at STP, it would be: N2 + O2 => 2NO OR ½N2 + ½O2 => NO
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2H2O2 ==> 2H2O + O2 the equation is balanced
No. It would have to be H2O2 - H2 = O2 in order to be balanced.