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Balance the following chemical equations:(a) $FeSO_{4} \ \xrightarrow{Heat} Fe_{2} O_{3} \ +\ SO_{2} \ +\ SO_{3}$(b) $Pb( NO_{3})_{2}( s) \ \xrightarrow{Heat} PbO\ ( s) \ +\ NO_{2}( g) \ +\ O_{2}( g)$
Balanced chemical equation for the following is given below:
(a) $2FeSO_{4} \ \xrightarrow{Heat} Fe_{2} O_{3} \ +\ SO_{2} \ +\ SO_{3}$
(b) $2Pb( NO_{3})_{2}( s) \ \xrightarrow{Heat} 2PbO\ ( s) \ +\ 4NO_{2}( g) \ +\ O_{2}( g)$
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