Balance each of the following chemical equations: a. N_2(g) + O_2(g) rightarrow

Question

Balance each of the following chemical equations: a. N_2(g) + O_2(g) rightarrow 2NO(g) rightarrow b. HgO(s) rightarrow^delta Hg() + O_2(g) rightarrow c. Fe(s) + O_2(g) rightarrow Fe_2O_3(s) rightarrow d. Na(s) + Cl_2(g) rightarrow NaCl(s) rightarrow Balance each of the following chemical equations: a. Zn(s) + HNO_3(ag) rightarrow Zn(NO_3) (ag) + H_2(g) b. Al(s) + H_2SO_4 (ag) rightarrow Al_2(SO_4)_3 (ag) + H_2(g) c. K_2SO_4 (ag) + BaCl_2(ag) rightarrow KCl(ag) + BaSO_4(s) d. CaCO_3(s) rightarrow CaO(s) + CO_2(g)

Explanation / Answer

7.29 )

a ) N2 (g) + O2 (g) -------------->2 NO (g)

b) 2 HgO (s) -------------------> Hg(l) + O2 (g)

c) 4 Fe (s) + 3 O2 (g) ----------------> 2 Fe2O3 (s)

d) 2Na(s) + Cl2 (g) -------------------> 2 NaCl (s)

7.32 )

a) Zn (s) + 2 HNO3 (aq) ------------------> Zn (NO3)2 (aq) + H2 (g)

b) 2 Al (s) + 3 H2SO4 (aq) -----------------> Al2SO4)3 + 3H2 (g)

c) K2SO4 (aq) + BaCl2 (aq) ---------------------> BaSO4 (aq) + 2 KCl (aq)

d) CaCO3 (s) --------------->CaO (s) + CO2 (g)

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