Instead of collecting gas with a syringe, another method involves: • Submerging the evidence in a special agent • Placing a strip of charcoal in the airtight container • Using a tiny vacuum • All of the above​

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.

i'm assuming that it's c.) red bank..