Question

When electricity flows through water, the water molecules split into molecules of hydrogen and oxygen gas. How many oxygen (O2) molecules are produced from the splitting of two molecules of water (H2O) if the balanced equation for the reaction is as follows?
2H2O → 2H2 + O2

A. 2
B. 1
C. 4
D. 3

Answer 1

@Destinymasha

Answer 2

wat do u think? can u make a guess?

Answer 3

c

Answer 4

@Destinymasha

Answer 5

see when u say a molecule...u hv to consider O2
if u say atom then O. here ur ques says molecule....

Answer 6

@Destinymasha

Answer 7

- bad at chemistry - but,listen to @shrutipande9

Answer 8

thx

Answer 9

so i think it is b now

Answer 10

yes u r right..:)

Answer 11

so its b right

Answer 12

yes

Answer 13

thx