In the metric system, energy of electromagnetic radiation is measured in what

answer

i think the answer is a) as air pressure in an area increases, the density of the gas particles in that area decreases.

hope it

2h2o2--> 2h2o + o2

this reaction is of the spontaneous decomposition of hydrogen peroxide down into water and oxygen.

add 2 molecules of hydrogen peroxide and 2 molecules of water. since oxygen is naturally diatomic, the total number of atoms of each element is now the same on both sides of the equation so it is balanced.

this may not be entirely correct but let me know.