(1)Balance the following equations: a Fe+HClarrow FeCl_(2)+H_(2)=vert -evert +2HCl_(2) b Zn+H_(2)SO_(4)arrow ZnSO_(4)+H_(2) c Ca+H_(2)Oarrow Ca(OH)_(2)+H_(2) d Al+Cr_(2)O_(3)arrow Al_(2)O_(3)+Cr e Fe_(2)O_(3)+COarrow Fe+CO_(2)- f NaHCO_(3)+H_(2)SO_(4)arrow Na_(2)SO_(4)+CO_(2)+H_(2)O= C_(8)H_(18)+O_(2)arrow CO_(2)+H_(2)O h Fe_(3)O_(4)+H_(2)arrow Fe+H_(2)O= Pb+AgNO_(3)arrow Pb(NO_(3))_(2)+Ag= j AgNO_(3)+MgCl_(2)arrow Mg(NO_(3))_(2)+AgCl= k C_(3)H_(8)+O_(2)arrow CO_(2)+H_(2)O=

a) $Fe + 2HCl \rightarrow FeCl_{2} + H_{2}$<br /><br />b) $Zn + H_{2}SO_{4} \rightarrow ZnSO_{4} + H_{2}$<br /><br />c) $Ca + 2H_{2}O \rightarrow Ca(OH)_{2} + H_{2}$<br /><br />d) $2Al + Cr_{2}O_{3} \rightarrow Al_{2}O_{3} + 2Cr$<br /><br />e) $Fe_{2}O_{3} + 3CO \rightarrow 2Fe + 3CO_{2}$<br /><br />f) $2NaHCO_{3} + H_{2}SO_{4} \rightarrow Na_{2}SO_{4} + 2CO_{2} + 2H_{2}O$<br /><br />g) $2C_{8}H_{18} + 25O_{2} \rightarrow 16CO_{2} + 18H_{2}O$<br /><br />h) $Fe_{3}O_{4} + 4H_{2} \rightarrow 3Fe + 4H_{2}O$<br /><br />i) $Pb + 2AgNO_{3} \rightarrow Pb(NO_{3})_{2} + 2Ag$<br /><br />j) $2AgNO_{3} + MgCl_{2} \rightarrow Mg(NO_{3})_{2} + 2AgCl$<br /><br />k) $C_{3}H_{8} + 5O_{2} \3CO_{2} + 4H_{2}O$