Overpriiced Overpriiced

01-08-2018
Chemistry

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Which chemical equation is balanced?
A. CO2 + 4H2 -> CH4 + 2H2O
B. 4CO2 + H2 -> CH4 + 2H2O
C. CO2 + 4H2 -> 2CH4 + 2H2O
D. 2CO2 + 2H2 -> 2CH4 + 2H2O

Respuesta :

SvetkaChem SvetkaChem

01-08-2018

A. CO2 + 4H2 -> CH4 + 2H2O

1 C , 2O, 4H -----> 1C, 2O, 8H

Number of atoms of all elements are the same before and after reaction.

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