Balance each of the following chemical equations: a. Ca(s) + Br_2(l) rightarrow

Question

Balance each of the following chemical equations: a. Ca(s) + Br_2(l) rightarrow CaBr_2(s) b. P_4(s) + O_2(g) rightarrow P_4O_10(s) c. Sb_2S_3(s) + HCl(aq) rightarrow SbCl_3(s) + H_2S(g) d. Fe_2O_3(s) + C(s) rightarrow Fe(s) + CO(g) Balance each of the following chemical equations: a. Mg(s) + AgNO_3(aq) rightarrow Mg(NO_3)_2(aq) + Ag(s) b. Al(s) + CuSO_4(aq) rightarrow Al_2(SO_4)_3(aq) + Cu(s) c. Pb(NO_3)_2(aq) + NaCl(aq) rightarrow PbCl_2(s) + NaNO_3(aq) d. Al(s) + HCl(aq) rightarrow AlCl_3(aq) + H2(g)

Explanation / Answer

7.30

a. Ca(s) + Br2(l) CaBr2(s)

b. P4(s)+ 5O2(g) P4O10(s)

c. Sb2S3(s)+ 6HCl(aq) 2SbCl3(s)+ 3H2S(g)

d. 2Fe2O3 (s) + 3C (s) 4Fe (s) + 3CO2 (g)

7.31

a) Mg (s)+ 2 AgNO3(aq)--> Mg(NO3)2(aq)+ 2 Ag(s)

b) 2Al(s) + 3CuSO4(aq)--> Al2(SO4)3(aq) + 3Cu(s)

c) Pb(NO3)2(aq) + 2NaCl(aq)--> PbCl2(s) + 2NaNO3

d) 2Al(s) + 6HCl(aq)-->2AlCl3(aq) + 3H2(g)

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