Chapter Three Extra Practice Solutions

Chapter Three Extra Practice Solutions - Chapter Three...

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Chapter Three Extra Practice Problems 1. Balance the following chemical equations: a) 2 Na + 2 H 2 O 2 NaOH( aq ) + H 2 ( g ) b) C 2 H 4 + 3 O 2 2 CO 2 + 2 H 2 O c) 2 Al + 6 HCl 2 AlCl 3 + 3 H 2 2. Balance the following chemical equations: a) N 2 O 5 + H 2 O 2 HNO 3 b) (NH 4 ) 2 Cr 2 O 7 N 2 + Cr 2 O 3 + 4 H 2 O c) PCl 3 + 3 H 2 O H 3 PO 3 + 3 HCl d) Mg 3 N 2 + 8 HCl 3 MgCl 2 + 2 NH 4 Cl e) 2 C 6 H 6 + 15 O 2 12 CO 2 + 6 H 2 O f) 4 C 3 H 5 NO + 19 O 2 12 CO 2 + 4 NO 2 + 10 H 2 O 3. Write a balanced chemical equation to correspond to each of the following descriptions: a) When sulfur trioxide gas reacts with water, a solution of sulfuric acid (H 2 SO 4 ) forms. SO 3 ( g ) + H 2 O( l ) H 2 SO 4 ( aq ) b) Boron sulfide (B 2 S 3 ) reacts violently with water to form dissolved H 3 BO 3 and H 2 S. B 2 S 3 ( s ) + 6H 2 O( l ) ) 2H 3 BO 3 ( aq ) + 3H 2 S( g ) c) PH 3 combusts in oxygen gas to form gaseous water and solid P 4 O 10 . 4PH 3 + 8O 2 ( g ) 6H 2 O( l ) ) + P 4 O 10 ( s ) d) When H 2 S gas is passed over solid, hot iron(III) hydroxide, the resultant
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Chapter Three Extra Practice Solutions - Chapter Three...

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