The correct equation that has the same coefficients in the same order as 2CO2 + 3H2O -> C2H6O + 3O2 is CH4 + O2 -> CO2 + H2O. The other equations do not have the same coefficients in the same order as the given equation.
In the given equation, there are 2 molecules of CO2 and 3 molecules of H2O on the reactant side, and 1 molecule of C2H6O and 3 molecules of O2 on the product side. In the equation CH4 + O2 -> CO2 + H2O, there are 1 molecule of CH4 and 1 molecule of O2 on the reactant side, and 1 molecule of CO2 and 1 molecule of H2O on the product side. The coefficients of the elements in the given equation and this equation are the same and in the same order.
The equations are not balanced. Which equation would have the same coefficients in the same order as 2CO2 + 3H20 C2H6O + 3O2?
FeCl3 + NH4OH Fe(OH)3 + NH4Cl
CH4 + O2 CO2 + H2O
Fe + H2SO4 Fe2(SO4)3 + H2
PCl5 + H2O HCl + H3PO4
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