A carbon atom in an organic compound can be classified by the number of other carbon atoms bonded to it.
Place an asterisk (*) next to the the primary carbon atoms in the alkane.

H. H. H

H. C. C. C. H

H. H. H

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.

the answer is definitely c.

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im not exactly sure but i think its b!