In an experiment, a student gave the time for a piece of magnesium ribbon todissolve completely in sulfuric acid as 13.25 s. What is wrong with his answer?

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.

can you attach the

1 is the answer to this problem

answersilicon (si); oxygen (o);