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H is the atomic symbol for hydrogen,

the 2 subscript means it is diatomic.

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Q: In the equation 2 H2 plus O2 the H2 molecules are?
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Related questions

In the equation 2 H2 plus O2 --- 2 H2O what substances are the reactants?

H2 and O2.


How do you balance the equation for H2 plus O2 H2O?

This simple equation is: 2H2 + O2 = 2H2O


Is H2O-H2 plus O2 a balanced chemical equation?

No. It would have to be H2O2 - H2 = O2 in order to be balanced.


H2 plus O2 causes what equation?

hydrogen peroxide


H2 plus O2 equals H2O If you have 1.42 moles of hydrogen how many moles of oxygen will react with it?

Balanced equation first. 2H2 + O2 >> 2H2O 1.42 mol H2 ( 1mol O2/2mol H2 ) = 0.71mol O2 to react with H2


What chemical equation what is the correct way to write a chemical equation to make molecules of water?

This chemical equation is:2 H2 + O2 = 2 H2O


What is the Balanced equation for Na2S2O3 plus H2O2 yields NaOH plus H2S2O3 plus O2?

the balanced equation is Na2S2O3 plus H2O2 yields 2NaOH plus H2S2O3 plus O2.


What is the water equation?

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


What is the coefficient for H20 when the following equation is balanced K plus H20 plus KOH plus H2?

2K + 2H2O --> 2KOH + H2 The balanced equation shows that there is a 2 in front of water.


What is h2 plus o2 plus equals h20?

The chemical reaction between hydrogen and oxygen produces water.


What is the balance equation for zinc metal plus oxygen gas?

Zn+ H2O ---> ZnO + H2 Zn+ H2O ---> ZnO + H2


What is the balanced equation for HgO?

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.