1 Write and balance chemical reactions Energy in chemical reactionsWhiteboard Review

2 Solid mercury (II) oxide breaks apart into solid mercury and oxygen gas.Type of reaction: Balanced Equation using (s, l, g, aq) and Energy: Spontaneous or Non? Exo or Endothermic?

3 Solid mercury (II) oxide breaks apart into solid mercury and oxygen gas.Decomposition 2 HgO (s) + Energy  2 Hg (s) + O2 (g) Nonspontaneous Endothermic

4 Liquid dicarbon dihydride reacts with oxygen gas to form carbon dioxide gas and liquid water.Type of reaction: Balanced Equation using (s, l, g, aq) and Energy: Spontaneous or Non? Exo or Endothermic?

5 Liquid dicarbon dihydride reacts with oxygen gas to form carbon dioxide gas and liquid water.Combustion 2 C2H2 (l) + 5 O2 (g) + energy  4 CO2 (g) + 2 H2O (l) + ENERGY Nonspontaneous Exothermic

6 Nitrogen gas reacts with hydrogen gas to produce nitrogen trihydride gas.Type of reaction: Balanced Equation using (s, l, g, aq) and Energy: Spontaneous or Non? Exo or Endothermic?

7 Nitrogen gas reacts with hydrogen gas to produce nitrogen trihydride gas.Synthesis (Combination N2 (g) + 3 H2 (g)  2 NH3 (g) + Energy Spontaneous Exothermic

8 Solid aluminum reacts with aqueous iron (II) oxide to make aqueous aluminum oxide and solid iron.Type of reaction: Balanced Equation using (s, l, g, aq) and Energy: Spontaneous or Non? Exo or Endothermic?

9 Solid aluminum reacts with aqueous iron (II) oxide to make aqueous aluminum oxide and solid iron.Single Replacement 2 Al (s) + 3 FeO (aq)  Al2O3 (aq) + 3 Fe (s) + Energy Spontaneous Exothermic

10 Aqueous aluminum sulfate reacts with aqueous calcium hydroxide to form aqueous aluminum hydroxide and solid calcium sulfate. Type of reaction: Balanced Equation using (s, l, g, aq) and Energy: Spontaneous or Non? Exo or Endothermic?

11 Aqueous aluminum sulfate reacts with aqueous calcium hydroxide to form aqueous aluminum hydroxide and solid calcium sulfate. Double Replacement Al2(SO4)3 (aq) + 3 Ca(OH)2 (aq)  2 Al(OH)3 (aq) + 3 CaSO4 (s) + Energy Spontaneous Exothermic

12 Aluminum + Oxygen gas  ________Type of reaction: Names of predicted products: Balanced Equation:

13 Aluminum + Oxygen gas  ________Synthesis (Combination) and Combustion Aluminum oxide 4 Al + 3 O2 + energy  2 Al2O3 + ENERGY

14 Carbon + Water  ________Type of reaction: Names of predicted products: Balanced Equation:

15 Carbon + Water  ________Single Replacement Carbon monoxide + Hydrogen gas C + H2O  CO + H2 + Energy

16 Lithium chlorate  ________Type of reaction: Names of predicted products: Balanced Equation:

17 Lithium chlorate  ________Decomposition Lithium chloride + Oxygen gas 2 LiClO3 + Energy  2 LiCl + 3 O2

18 Iron (III) chloride + Ammonium hydroxide  ________Type of reaction: Names of predicted products: Balanced Equation:

19 Iron (III) chloride + Ammonium hydroxide  ________Double Replacement Ammonium chloride + Iron (III) hydroxide FeCl3 + 3 NH4OH  3 NH4Cl + Fe(OH)3 + Energy

20 Tricarbon octahydride + oxygen  ________Type of reaction: Names of predicted products: Balanced Equation:

21 Tricarbon octahydride + oxygen  ________Combustion Carbon dioxide + water C3H8 + 5 O2  3 CO2 + 4 H2O + Energy

22 Aluminum + hydrochloric acid  ________Type of reaction: Names of predicted products: Balanced Equation:

23 Aluminum + hydrochloric acid  ________Single Replacement Aluminum chloride + hydrogen gas 2 Al + 6 HCl  2 AlCl3 + 3 H2 + Energy

24 Magnesium + Nitrogen  ________Type of reaction: Names of predicted products: Balanced Equation:

25 Magnesium + Nitrogen  ________Synthesis (Combination) Magnesium nitride 3 Mg + N2  Mg3N2 + Energy

26 Barium chloride + aluminum sulfate  ________Type of reaction: Names of predicted products: Balanced Equation:

27 Barium chloride + aluminum sulfate  ________Double Replacement Aluminum chloride + Barium sulfate 3 BaCl2 + Al2(SO4)3  2 AlCl3 + 3 BaSO4 + Energy

28 Potassium chlorate  ________Type of reaction: Names of predicted products: Balanced Equation:

29 Sodium carbonate  ________Decomposition Sodium oxide + Carbon dioxide Na2CO3 + Energy  Na2O + CO2