Tro IC3 1.Formation of a precipitate 2.Color change 3.Emission of light 4.Evolution of gas 5.All of the above 7.1 Which of the following is evidence that.

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Presentation transcript:

Tro IC3 1.Formation of a precipitate 2.Color change 3.Emission of light 4.Evolution of gas 5.All of the above 7.1 Which of the following is evidence that a chemical reaction has occurred?

Tro IC3 1.Formation of a precipitate 2.Color change 3.Emission of light 4.Evolution of gas 5.All of the above 7.1 Which of the following is evidence that a chemical reaction has occurred?

Tro IC3 1.Digesting a candy bar 2.Burning propane in a gas stove 3.Grinding coffee beans 4.Baking a cake 5.Tarnishing of silverware 7.2 Which of the following is NOT an example of a chemical reaction?

Tro IC3 1.Digesting a candy bar 2.Burning propane in a gas stove 3.Grinding coffee beans 4.Baking a cake 5.Tarnishing of silverware 7.2 Which of the following is NOT an example of a chemical reaction?

Tro IC3 1.Changing the subscripts to balance an equation is acceptable. 2.The products are listed on the left and the reactants are listed on the right. 3.Atoms are conserved when balancing a chemical equation. 4.Coefficients can be fractions. 5.Subscripts can be fractions. 7.3 Which of the following statements is correct about chemical reactions?

Tro IC3 1.Changing the subscripts to balance an equation is acceptable. 2.The products are listed on the left and the reactants are listed on the right. 3.Atoms are conserved when balancing a chemical equation. 4.Coefficients can be fractions. 5.Subscripts can be fractions. 7.3 Which of the following statements is correct about chemical reactions?

Tro IC What is the coefficient for aluminum after the following equation is balanced: Al(s) + O 2 (g) → Al 2 O 3 (s)?

Tro IC What is the coefficient for aluminum after the following equation is balanced: Al(s) + O 2 (g) → Al 2 O 3 (s)?

Tro IC What is the sum of the coefficients after the following equation is balanced: Al 2 O 3 (s) + H 2 SO 4 (aq) → Al 2 (SO 4 ) 3 (aq) + H 2 O(l)?

Tro IC What is the sum of the coefficients after the following equation is balanced: Al 2 O 3 (s) + H 2 SO 4 (aq) → Al 2 (SO 4 ) 3 (aq) + H 2 O(l)?

Tro IC When the equation, C 5 H 10 (g) + O 2 (g) → CO 2 (g) + H 2 O(g), is balanced, the ratio of oxygen molecules to water molecules is:

Tro IC When the equation, C 5 H 10 (g) + O 2 (g) → CO 2 (g) + H 2 O(g), is balanced, the ratio of oxygen molecules to water molecules is:

Tro IC3 1.PbCl 2 2.CaSO 4 3.NaNO 3 4.Al(OH) 3 5.All of the above 7.7 Which of the following compounds is a strong electrolyte?

Tro IC3 1.PbCl 2 2.CaSO 4 3.NaNO 3 4.Al(OH) 3 5.All of the above 7.7 Which of the following compounds is a strong electrolyte?

Tro IC3 1.Li 2 SO 4 2.KOH 3.CaCO 3 4.NH 4 NO 3 5.NaCl 7.8 Which of the following compounds is INSOLUBLE in water?

Tro IC3 1.Li 2 SO 4 2.KOH 3.CaCO 3 4.NH 4 NO 3 5.NaCl 7.8 Which of the following compounds is INSOLUBLE in water?

Tro IC3 1.Electrical compound 2.Strong electrolyte 3.Weak electrolyte 4.Weak cation 5.Strong anion 7.9 A substance dissolved in water that CANNOT conduct an electric current very efficiently is called a:

Tro IC3 1.Electrical compound 2.Strong electrolyte 3.Weak electrolyte 4.Weak cation 5.Strong anion 7.9 A substance dissolved in water that CANNOT conduct an electric current very efficiently is called a:

Tro IC3 1.Left to form another precipitate 2.Only anions 3.Only cations 4.Removed from the solution 5.Left dissolved in the solution 7.10 The ions that do not directly form the precipitate during a precipitation reaction are:

Tro IC3 1.Left to form another precipitate 2.Only anions 3.Only cations 4.Removed from the solution 5.Left dissolved in the solution 7.10 The ions that do not directly form the precipitate during a precipitation reaction are:

Tro IC3 1.CaNO 3 2.AgCl 3.Ca(NO 3 ) 2 4.2AgCl 5.None of the above 7.11 Identify the solid product formed from the balanced reaction of silver nitrate and calcium chloride.

Tro IC3 1.CaNO 3 2.AgCl 3.Ca(NO 3 ) 2 4.2AgCl 5.None of the above 7.11 Identify the solid product formed from the balanced reaction of silver nitrate and calcium chloride.

Tro IC3 1.KCl 2.BaNO 3 3.2KCl 4.Ba(NO 3 ) 2 5.None of the above 7.12 Identify the solid product formed from the balanced reaction of potassium nitrate and barium chloride.

Tro IC3 1.KCl 2.BaNO 3 3.2KCl 4.Ba(NO 3 ) 2 5.None of the above 7.12 Identify the solid product formed from the balanced reaction of potassium nitrate and barium chloride.

Tro IC3 1.BaSO 4 (s) 2.NaCl(aq) 3.BaSO 4 (aq) 4.2NaCl(s) 5.SO 3 (g) 7.13 When the following equation: BaCl 2 (aq) + Na 2 SO 4 (aq) → is completed and balanced, a term in the molecular equation is:

Tro IC3 1.BaSO 4 (s) 2.NaCl(aq) 3.BaSO 4 (aq) 4.2NaCl(s) 5.SO 3 (g) 7.13 When the following equation: BaCl 2 (aq) + Na 2 SO 4 (aq) → is completed and balanced, a term in the molecular equation is:

Tro IC3 1.LiSO 4 2.2NH 4 Cl 3.2SO Cl Li When the following equation: LiCl (aq) + (NH 4 ) 2 SO 4 (aq) → is completed and balanced, a term in the complete ionic equation is:

Tro IC3 1.LiSO 4 2.2NH 4 Cl 3.2SO Cl Li When the following equation: LiCl (aq) + (NH 4 ) 2 SO 4 (aq) → is completed and balanced, a term in the complete ionic equation is:

Tro IC3 1.I K 1+ 3.Pb NO PbI 7.15 When the following equation: KI(aq) + Pb(NO 3 ) 2 (aq) → is completed and balanced, a term in the net ionic equation is:

Tro IC3 1.I K 1+ 3.Pb NO PbI 7.15 When the following equation: KI(aq) + Pb(NO 3 ) 2 (aq) → is completed and balanced, a term in the net ionic equation is:

Tro IC3 1.Li 1+ and H 1+ 2.Li 1+ and NO Li 1+ and OH 1- 4.H 1+ and OH 1- 5.All of the above 7.16 When the following equation: LiOH(aq) + HNO 3 (aq) → is completed and balanced, the spectator ions are:

Tro IC3 1.Li 1+ and H 1+ 2.Li 1+ and NO Li 1+ and OH 1- 4.H 1+ and OH 1- 5.All of the above 7.16 When the following equation: LiOH(aq) + HNO 3 (aq) → is completed and balanced, the spectator ions are:

Tro IC3 1.HCl 2.NaCl 3.Al(NO 3 ) 3 4.C 6 H 12 O 6 5.NH 4 Cl 7.17 Which of the following is a nonelectrolyte in an aqueous solution?

Tro IC3 1.HCl 2.NaCl 3.Al(NO 3 ) 3 4.C 6 H 12 O 6 5.NH 4 Cl 7.17 Which of the following is a nonelectrolyte in an aqueous solution?

Tro IC3 1.Water 2.Sodium chloride 3.Potassium perchlorate 4.Potassium hydride 5.Potassium chlorate 7.18 What salt is formed from the neutralization reaction between perchloric acid and potassium hydroxide?

Tro IC3 1.Water 2.Sodium chloride 3.Potassium perchlorate 4.Potassium hydride 5.Potassium chlorate 7.18 What salt is formed from the neutralization reaction between perchloric acid and potassium hydroxide?

Tro IC3 1.Water 2.Sodium chloride 3.Oxygen 4.Carbon dioxide 5.Ammonium chloride 7.19 When an acid reacts with a base, what product is typically formed?

Tro IC3 1.Water 2.Sodium chloride 3.Oxygen 4.Carbon dioxide 5.Ammonium chloride 7.19 When an acid reacts with a base, what product is typically formed?

Tro IC3 1.Ammonia 2.Nitrogen dioxide 3.Hydrogen 4.Carbon dioxide 5.Nitrogen 7.20 Which gas is released from the reaction of calcium carbonate with nitric acid?

Tro IC3 1.Ammonia 2.Nitrogen dioxide 3.Hydrogen 4.Carbon dioxide 5.Nitrogen 7.20 Which gas is released from the reaction of calcium carbonate with nitric acid?

Tro IC How many molecules of carbon dioxide are produced from the combustion of one molecule of propane (C 3 H 8 )?

Tro IC How many molecules of carbon dioxide are produced from the combustion of one molecule of propane (C 3 H 8 )?

Tro IC3 1.Precipitation 2.Acid–base 3.Oxidation–reduction 4.Double displacement 5.Two of the above 7.22 What type of reaction occurs between Ba(NO 3 ) 2 and K 2 CrO 4 ?

Tro IC3 1.Precipitation 2.Acid—base 3.Oxidation—reduction 4.Double displacement 5.Two of the above 7.22 What type of reaction occurs between Ba(NO 3 ) 2 and K 2 CrO 4 ?

Tro IC3 1.Synthesis/combination 2.Decomposition 3.Displacement 4.Double-displacement 5.Two of the above 7.23 What type of reaction is: HgO (s) → Hg(l) + O 2 (g)?

Tro IC3 1.Synthesis/combination 2.Decomposition 3.Displacement 4.Double-displacement 5.Two of the above 7.23 What type of reaction is: HgO (s) → Hg(l) + O 2 (g)?

Tro IC3 1.Oxidation–reduction 2.Combustion 3.Synthesis/combination 4.All of the above 5.Two of the above 7.24 What type of reaction is: 4Fe(s) + O 2 (g) → 2Fe 2 O 3 (s)?

Tro IC3 1.Oxidation–reduction 2.Combustion 3.Synthesis/combination 4.All of the above 5.Two of the above 7.24 What type of reaction is: 4Fe(s) + O 2 (g) → 2Fe 2 O 3 (s)?

Tro IC3 1.Precipitation 2.Acid–base 3.Double-displacement 4.Single-displacement 5.Two of the above 7.25 What type of reaction is: Fe(s) + 2HCl(aq) → FeCl 2 (aq) + H 2 (g)?

Tro IC3 1.Precipitation 2.Acid–base 3.Double-displacement 4.Single-displacement 5.Two of the above 7.25 What type of reaction is: Fe(s) + 2HCl(aq) → FeCl 2 (aq) + H 2 (g)?