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2 Lots of H2 (Hydrogen Gas) + 1 lot of O2 produces 2 lots of Water (H2O) and a tiny spark of electricity (see 'How is hydrogen used to make electricity?').

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15y ago
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11y ago

2H2 + O2 ------> 2H2O is a Red-Ox reaction. The hydrogen is being oxidized and the oxygen is being reduced to produce water.

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Q: What reaction is this an example of 2 H2 O2 ----- 2 H2O?
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Related questions

Which equation has water as a reaction in the chemical reaction?

H2 +o2 --->h2o


Which equation has water as a product in chemical reaction?

H2 +o2 --->h2o


What type of reaction is represented H2CO3 to H2O plus CO2?

H2O(aq)+CO2(g)


Which equation has water as a product in the chemical reaction-?

bromine water? The reaction between hexene, bromine, and water is an addition reaction.


What is chemical equeation?

Chemical equations show what happens when a chemical change occurs. For example, in the combustion of Hydrogen(H2), water(H2O) is formed. The chemical equation for this reaction is: 2H2 + O2 -----> 2H2O This chemical equation shows that when H2 reacts with O2 , H2O is formed.


Balance the equation1.H2+ O2=H2O?

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


What is the gas which burns to form water?

Hydrogen gas (H2) burns to form water (H2O). The reaction equation is as follows: 2 H2 + O2 --> 2 H2O


Why is it chemical when water is separated into o2 and h2?

It is a chemical change (reaction) because the chemical composition of the products (O2 and H2) is different from the chemical composition of the water (H2O).


What is the percent yield of h2o if 58g h2o are produced by combining 60g o2 and 7g h2?

Balanced equation. 2H2 + O2 >> 2H2O ( now find limiting reactant ) 7 grams H2 (1 mole H2/2.016 grams) = 3.472 moles H2 60 grams O2 (1 mole O2/32 grams) = 1.875 moles O2 1.875 moles O2 (2 mole H2/1 mole O2) = 3.75 mole H2 ( checked O2, but I know H2 limits because you do not have 3.75 moles H2, so H2 drives reaction) 3.472 moles H2 (2 mole H2O/2 mole H2)(18.016 grams/1 mole H2O) = 62.552 grams H2O produced, so; 58 grams/62.552 times 100 = 92.7% yield of H2O, call it 93%


Write a balanced equation for the ignition reaction of hydrogen in air?

2 H2 + O2 = 2 H2O


Is h2o plus energy to h2 plus o2 an exothermic reaction?

No. It is endothermic because it absorbs energy.


What is the equation of water as a product in the chemical reaction?

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