La reacción cuya ecuación balanceada muestra la imagen, posee un tiempo de vida media de 20 minutos. Si la reacción se inicia con 4,8 mol/L de reactante, Luego de 40 minutos. ¿Qué concentración molar tendrá el producto formado ? N2O4(g) -> 2 NO2(g)

what's the

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  the   balanced   equation   for   reaction of   ca metal   with   o2 to   produce   cao   is as below

2 ca+ o2→ 2 cao2

  explanation

the reaction is   balanced     since the   number of atoms   in reactant side is   equal to   number of atoms   in   product side.   for   example   they   are 2   atom of   ca in   reactant   side   and   2   atoms of ca   in   the product side.

  the   process   is a   meet the   requirement   of   redox   reaction because :     calcium   is   oxidized   from   oxidation state 0   to 2+   while   oxygen   is reduced from   oxidation   state   0   to 2-