Question

which if the following equations balanzed? select all that apply.

Mg(s)+2HCl(aq) --> MgCl2 (aq) +H2 (g)

3Al(s) + 3Br2(I) --> Al2Br3 (s)

2HgO(s) --> 2Hg(I) + O2 (g)

N2+O2--> 2NO

2H2O2 --> 2 H2 +O2

Answer 1

Griven M9CS)aHCI (ar) Cl (9) number of eactant Balanced equation means atoms s eual to number of PYoducf atoms Reactands Product M- 1 a This is Balanced equa o 3A1CS) 3B Reactan ahom Pro duck atoms 3 3 6 3 :This is not a balanced equqtion

Reactants ProducH 2 O This is Balanced equation NO Reactants produck N- This is balanced equaton Reactan Pro duch 0 a balanced equation Not o

Balanced eq uations are Mg() aH ()- Mgch ()H9) RH9()(9) No