( Use ↑ and ↓ please ! )
Balancing a chemical equation
$C$ +
$CuO$
→
$CO_2 $ +
$Cu $
$C$ $+$ $2CuO$ $\longrightarrow$ $CO_2$ $+$ $2Cu$
$CH_4$ +
$O_2$
→
$CO_2$ +
$H_2O $
$CH_4$ $+$ $2O_2$ $\longrightarrow$ $CO_2$ $+$ $2H_2O$
$C_2H_6$ +
$O_2$
→
$C$ +
$H_2O $
$2C_2H_6$ $+$ $3O_2$ $\longrightarrow$ $4C$ $+$ $6H_2O$
$C_2H_6$ +
$O_2$
→
$CO_2$ +
$H_2O $
$2C_2H_6$ $+$ $7O_2$ $\longrightarrow$ $4CO_2$ $+$ $6H_2O$
