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A. Write skeleton equations 1. Hydrogen gas reacts with bromine gas to produce gaseous hydrogen monobromide 2. Carbon Monoxide Gas reacts with oxygen gas.

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Presentation on theme: "A. Write skeleton equations 1. Hydrogen gas reacts with bromine gas to produce gaseous hydrogen monobromide 2. Carbon Monoxide Gas reacts with oxygen gas."— Presentation transcript:

1 A. Write skeleton equations 1. Hydrogen gas reacts with bromine gas to produce gaseous hydrogen monobromide 2. Carbon Monoxide Gas reacts with oxygen gas to produce Carbon dioxide 3. Solid potassium chlorate decomposes to produce solid potassium chloride and oxygen gas

2 B. Use the following equation to answer the questions 2NaOH + CaBr 2 Ca(OH) 2 + 2NaBr ? 30g75g 60g 4. Identify the reactants 5. Identify the products 6. How many moles of NaBr are produced 7. How many grams of NaOH are used

3 C. Identify the meaning of the symbol 8. (aq)

4 D. Balance the following 12. Fe + Cl 2 FeCl Pb(NO 3 ) 2 + KI PbI 2 + KNO Ni + AuBr 3 NiBr 2 + Au 15. C 12 H 22 O 11 + O 2 CO 2 + H 2 O

5 E. Identify the type of reaction 16. Ti +2Cl 2 TiCl AgNO 3 + LiI AgI + LiNO C 2 H 2 + 5O 2 4CO HOH 19. Mg + Cr(NO 3 ) 3 Mg(NO 3 ) 2 + Cr 20. A + B AB + Heat

6 F. Predict the products 21. HCl 21. HCl 22. NaOH + CuCl NaOH + CuCl H 2 SO 4 + NaCN 23. H 2 SO 4 + NaCN 24. Al + I Al + I Mg + Sn(NO 3 ) Mg + Sn(NO 3 ) 4

7 G. Turn the following into sentences 26. K(s) + ZnNO 3 (aq) Zn + KNO 3 (aq) 27. 3Li(s) + AuCl 3 (aq) 3LiCl(aq) + Au(s) 28. Al 2 (CO 3 ) 3 (s) Al 2 O 3 (s) + 3CO 2

8 ANSWERS 1. H2 (g) + Br (g) HBr (g) 2. CO (g) + O2 (g) CO2 (g) 3. KClO3 (s) KCl (s) + O2 (g) 4. 2NaOH + CaBr2 5. Ca(OH)2 ­+ 2NaBr g 8. Aqueous (dissolved in water) 9. Yields or produces 10. Heat 11. Reversible reaction 12. 4,3, ,2,1, ,2,3, ,12,12, synthesis 17. Double 18. combustion 19. single 20. (synthesis) exothermic 21. H + Cl2 22. NaCl + Cu(OH)2 23. HCN + Na2SO4 24. AlI Mg(NO3)2 + Sn

9 Finely ground nickel (II) hydroxide is placed in a beaker of water. It sinks to the bottom of the beaker and remains unchanged. An aqueous solution of hydrochloric acid is then added to the beaker, and the Ni(OH) 2 disappears. Which of the following equations best describes what occurred in the beaker? A.Ni(OH) 2 (s) + HCl(aq) NiO(aq) + H 2 (g) +HCl(aq) B.Ni(OH) 2 (s) + 2H 2 O(l) NiCl 2 (aq) + 2H 2 O(l) C.Ni(OH) 2 (s) + 2H 2 O(l) NiCl 2 (aq) + 2H 2 O(l) D.Ni(OH) 2 (s) + 2H 2 O(l) NiCl 2 (aq) + 3H 2 O(l) + O 2 (g)

10 Which set of coefficients would balance the following equation? Mg + AlCl 3 Al + MgCl 2 A. 2Mg + AlCl 3 Al + 2MgCl 2 B. 3Mg + 2AlCl 3 2Al + 3MgCl 2 C. Mg + 2AlCl 3 2Al + MgCl 2 D. 3Mg + 4AlCl 3 4Al + 3MgCl 2


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