Chemistry

Which of the following equations is balanced correctly?

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?

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  1. Never mind I figured out it was D

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  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

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  3. you are all crazy it is c

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  4. its b tust me the real answer is b

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  5. Its A

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  6. Its is D i know it is

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