What is true about matter in a chemical reaction? * None of these statements are true.
Matter can be created or destroyed.
Matter can sometimes be created or destroyed.
Matter cannot be created or destroyed.

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.

cock topography

the study of the surface of a large voluptuous cock.

look at that sorostitute right she's a cock topographer!

what classes are you taking this

cock topography!

answer; the numbers of valence electrons in the acetic acid molecule (ch3co2h) is 24;