What is this chemical reaction product?

Question

2H(2)O+O(2)[g]

Answer 1

It's the product of the breakdown of 2 hydrogen peroxide molecules....

http://www.chem.purdue.edu/courses/chm126/handouts/h2o2dat.pdf#search='2H%282%29OO%282%29%5Bg%5D'

Answer 2

dependson the conditions of the experiment, pressure and temperature, but likely you would get hydrogen peroxide h2o2
2H(2)O + O2 <--> 2H(2)O(2)

Answer 3

dihydroxide + dioxide