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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)
Which is true of the reaction below 2H2 plus O2 2H2O?
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What is the balanced equation for Liquid water is produced when hydrogen gas and oxygen gas combine?
H2o 2h2 + o2 = 2h2o
Which one of the following is a combination reaction?
Type your answC.2H2O (l) → 2H2 (g) + O2 (g)er here...
What releases water and energy?
Combustion of hydrogen gives a lot of heat and water. The stoichiometric reaction of hydrogen with oxygen is: 2H2(g) + O2(g) gives 2H2O(l) + 572 kJ Hydrogen's Enthalpy of Combustion is 286 kJ/mole
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
