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I think you've answered your own question. 2H2 plus 02 forms 2H20.

Yes, but perhaps he doesn't know the product is the part on the right side of the arrow. In this case, as you said, 2H2O.

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14y ago

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2h2o 2h2 plus o2?

Water can be broken down to oxygen and hydrogen and hydrogen can be ignited in oxygen to form water. 2H2O --> 2H2 + O2 (takes energy) 2H2 + O2 --> 2H2O (releases energy)


What is the balanced equation for the reaction between 02 and H2?

2h2 + o2 -> 2h2o All letters capitalized!!


What type of reaction is 2H2O 2H2 plus O2?

2H2O--->2H2 + O2 is a redox reaction because electrons are exchanged during electrolysis.


Equation for the combustion of hydrogen?

2h2 + o2 ----> 2h2o


How do you balance 2H2 O2 2H2O O2?

2H2O2 ==> 2H2O + O2 the equation is balanced


Is it correct to say that chemical changes are not reverisble but phycial changes are?

No, chemical reactions can be reversed. For example: 2H2O -> 2H2 + O2 can change back, 2H2 + O2 -> 2H2O


Balance the equation1.H2+ O2=H2O?

= H2+O2 =2H2+O2=2H2O


How many atoms are in O2 2H2 2H2O?

2 oxygen,4 hydrogen, 4 hydrogen, and 2 oxygen so overall 12


What is the Balanced equation for the combustion reaction of pure oxygen and pure hydrogen to produce water?

O2(g)+2H2(g) -> 2H2O(g) (Remmeber heat/energy must also go into the reaction.) 2H2 + O2 ---> 2H2O


What is the relationship between the equations for the decomposition of water and the reaction of hydrogen and oxygen to form water?

They are reversible reactions. 2H2 + O2 ----> 2H2O (formation of water) 2H2O ----> 2H2 + O2 (decomposition of water)


What is the symbol equation to show how water is made?

2H2 + O2 --> 2H2O


When hydrogen is burnt in air what is formed?

Water 2H2+O2 --> 2H2O