Name WP Unit 4 Practice: Chemical Reactions Part I: Write and/or complete and balance the following chemical equations. In the space provided, use letters (A>G) to indicate the best classified of the reaction. A. Combination or synthesis reactions B. Decomposition reactions C. Single-replacement reactions cationic D. Single-replacement reactions anionic E. Double-replacement reactions neutralization F. Double-replacement reactions precipitation G. Combustion reactions 1. ___Co 2 (CO 3 ) 3 (s) → ____ Co 2 O 3 (s) + ____CO 2 (g) 2. ____Fe(s) + ____O 2 (g) → ___ Fe 2 O 3 (s) 3. ___H 2 SO 4 (aq) ___KOH(aq) → ____K 2 SO 4 (aq) + ____H 2 O(l) 4. ___ Na (s) + ___H 2 O (l) → NaOH (aq) + ________ 5. ___Pb(C 2 H 3 O 2 ) 2 (aq) + ___KI(aq) → ______ (s) + __KC 2 H 3 O 2 (aq) 6. ____O 2 (g) + ____PCl 3 (g) → ____POCl 3 (g) 7. ___ C 5 H 18 (l) + ___ O 2 (g) → ___CO 2 (g) + ___ H 2 O (g)

Name WP Unit 4 Practice: Chemical Reactions Part%I · 2019. 12. 7. · Name WP Unit 4 Practice: Chemical Reactions ... use&letters&(A>G)&to&indicate&the&best&classified&of&the&reaction.&

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Page 1: Name WP Unit 4 Practice: Chemical Reactions Part%I · 2019. 12. 7. · Name WP Unit 4 Practice: Chemical Reactions ... use&letters&(A>G)&to&indicate&the&best&classified&of&the&reaction.&

Name WP Unit 4 Practice: Chemical Reactions Part%I:!Write&and/or&complete&and&balance&the&following&chemical&equations.&In&the&space&provided,&use&letters&(A>G)&to&indicate&the&best&classified&of&the&reaction.&

A. Combination or synthesis reactions B. Decomposition reactions C. Single-replacement reactions cationic D. Single-replacement reactions anionic E. Double-replacement reactions neutralization F. Double-replacement reactions precipitation G. Combustion reactions

1. ___Co2(CO3)3(s) → ____ Co2O3(s) + ____CO2(g)

2. ____Fe(s) + ____O2(g) → ___ Fe

3(s)

3. ___H2SO4(aq) ___KOH(aq) → ____K2SO4(aq) + ____H2O(l)

4. ___ Na (s) + ___H2O (l) → NaOH (aq) + ________

5. ___Pb(C2H3O2)2(aq) + ___KI(aq) → ______ (s) + __KC2H3O2(aq)

6. ____O2(g) + ____PCl

3(g) → ____POCl

3 (g)

7. ___ C5H18 (l) + ___ O2 (g) → ___CO2 (g) + ___ H2O (g)

Page 2: Name WP Unit 4 Practice: Chemical Reactions Part%I · 2019. 12. 7. · Name WP Unit 4 Practice: Chemical Reactions ... use&letters&(A>G)&to&indicate&the&best&classified&of&the&reaction.&

8. ___ Mg(s) + ___ N

2(g) → __________ (s)

9. ___Sn(s) + ___HCl(aq) → ___SnCl2(aq) + ___H2(g)

10. ___P4O

10 (s) + ____ H

2O (l) → ___H

3PO

4 (aq)

11. ___Al(s) + ___Mn(NO3)2(aq) → _____ (s) + __Al(NO3)3(aq)

12. __H3PO4(aq) + __NH4OH(aq) → __(NH4)3PO4(aq) + __HOH(l)

13. __Fe2(SO4)3(aq) + __Na2CO3(aq) → __Fe2(CO3)3(s) + ________ (aq)

14. __Ca(HCO3)2(s) → __CaCO3(s) + __CO2(g) + __ H2O(g)

15. ___Ba(s) + ___H2O(l) → ___Ba(OH)2(aq) + ___H2(g)

Page 3: Name WP Unit 4 Practice: Chemical Reactions Part%I · 2019. 12. 7. · Name WP Unit 4 Practice: Chemical Reactions ... use&letters&(A>G)&to&indicate&the&best&classified&of&the&reaction.&

16. ___Hg2(NO3)2(aq) + ___Li3PO4(aq) →

___(Hg2)3(PO4)2(s) + ___LiNO3(aq)

17. ___ C8H18 (l) + ___ O2 (g) → _______ (g) + ___ H2O (g)

Part II: Classify the following reactions and then write and balanced the chemical equation described. Include correct states (phases): s, l, g, or aq.

1. solid barium chlorate is heated, producing oxygen gas and barium chloride solid. &

2. isopropyl alcohol C3H8O) is burned in oxygen. &

3. ammonium nitrate is heated and forms dinitrogen monoxide and water. &

4. ammonia gas is formed by a combination reaction of the elemental gases.

5. Phosphoric acid reacts with aqueous potassium hydroxide.

6. Chlorine water is added to a solution of KI to form KCl and elemental iodine.

!!!!