Balance each of the following chemical equations:
a) CaO + HCl ⟶ CaCl2 + H2O
b) (OH)3 + NaOH ⟶ NaAlO2 + H2O
c) Fe2O3 + H2 ⟶ Fe + H2O
d) HNO3 + Ca(OH)2 ⟶ Ca(NO3)2 + H2O
d) NaOH + H2SO4⟶ Na2SO4 + H2O
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Explanation:
a) CaO + 2HCl ⟶ CaCl2 + H2O
b) Al(OH)3 + NaOH ⟶ NaAlO2 + 2H2O
c) Fe2O3 + 3H2 ⟶ 2Fe + 3H2O
d) 2HNO3 + Ca(OH)2 ⟶ Ca(NO3)2 + 2H2O
e) 2NaOH + H2SO4⟶ Na2SO4 + 2H2O
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