Question

(@) Fe(s) + 2HCl (aq)➡Fecl 2 (aq) +H2 ⬆
(b) H2(g) +N2(g) ➡3NH3
(c) 3H2(g) +N2(g) ➡2NH3
(d) H2S(g) +O2(g) ➡ H20+SO2
(e) 2H2S(g) +3O2(g) ➡ 2H2O + 2SO2
(f) Bacl2+Al2(SO4) 3➡Alcl3+Baso4⬇
(g) 3Bacl2+Al2(So4) 3➡2Alcl3+3Baso4 ⬇
(h) K+H20➡KOH+H2
(g) 2K+2H20➡2KOH + H2

(Balance equation)
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Answer 1

Answer:

a) already balanced

b) 3H2(g) +N2(g) ➡2NH3

c) already balanced

d) 2H2S(g) +3O2(g) ➡ 2H2O + 2SO2

e) already balanced

f)3Bacl2+Al2(So4) 3➡2Alcl3+3Baso4 ⬇

g)already balanced

h) 2K+2H20➡2KOH + H2

I) already balanced

Answer 2

Answer:

• (a) is balanced.
• (b) is not balanced but it balanced by (c).
• (d) is balanced by (e) .
• (f) is balanced by (g).
• (h) is balanced by last equation.