Question

27 Balance the following chemical equations -
(a) Pb(NO3)2 → PbO +NO2 + O2
(b) Fe + H2O → Fe3O4 + H2
(c) BaCl2 + H2SO4 → BaSO4 + HCI​

Answer 1

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Balance the following chemical equations:

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Pb(NO3)2 → PbO +NO2 + O2 (already balanced)

3Fe + 4H2O → Fe3O4 + 4H2

BaCl2 + H2SO4 → BaSO4 + 2HCI

Answer 2

Answer:

Pb(NO3)2 → PbO +NO2 + O2

Pb(NO3)2 → PbO +NO2 + O2 3Fe + 4H2O → Fe3O4 + 4H2

Pb(NO3)2 → PbO +NO2 + O2 3Fe + 4H2O → Fe3O4 + 4H2BaCl2 + H2SO4 → BaSO4 + 2HCI

Explanation:

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