Question

Complete and balance the following equations
(a) Na + O2 → (b) Na2O + H2O → (c) Fe (s) + H2O (g) Red heat→
(d) Cu(NO3)2 (aq) + Zn (s) →

Answer 1

Answer: a. 4Na+O2 --> Na20

b. Na2O+ H2O --> 2NaOH

c. 3Fe+ 4H2O --> Fe3O4+ 4H2

d. Cu(NO3)2 + Zn --> Zn(NO3)2 + Cu

Answer 2

Answer:

i) Na2O

ii)2NaOH

iii)Zn(No3)2+Cu

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