Which of the following equations is balanced correctly?

Question

A. 2 C3H3 + O2 → 2 CO2 + H2O
B. Cl2 + 2 KBr → KCl + Br2
C. 3 H2O → H2 + 3 O2
D. 2 C2H2 + 5 O2 → 4 CO2 + 2 H2O

Can anyone help me figure out which is balanced correctly?

Answer 1

Never mind I figured out it was D

Answer 2

the one with the same number of atoms of each element on both sides

just count the various types of atoms on either side of the arrow

Answer 3

you are all crazy it is c

Answer 4

its b tust me the real answer is b

Answer 5

Its A

Answer 6

Its is D i know it is