Question 1

What are the predicted products from the following neutralization reaction? HC₂H₃O₂(aq) + Ca(OH) 2(aq) →

Accepted Answer

A)  CaCO₃ and H₂O
B)  Ca(HCO₃) 2 and H₂
C)  Ca(HCO₃) 2 and H₂O
D)  Ca(C₂H₃O₂) 2 and H₂
E)  Ca(C₂H₃O₂) 2 and H₂O

Question 2

What are the products from the complete neutralization of carbonic acid with aqueous potassium hydroxide?

Accepted Answer

A)  k₂CO₃(aq) and H₂O(l) 
B)  KHCO₃(aq) and H₂O(l) 
C)  KHCO₄(aq) and H₂O(l) 
D)  KC₂H₃O₂(aq) and H₂O(l) 
E)  k₂C₂H₃O₂(aq) and H₂O(l)

Question 3

What are the predicted products from the following decomposition reaction? PbCO₃(s)

Accepted Answer

A)  Pb and CO₂
B)  PbO and CO
C)  PbO and CO₂
D)  PbO₂ and CO
E)  PbO₂ and CO₂

Question 4

What are the predicted products from the following neutralization reaction? HNO₃(aq) + Ba(OH) 2(aq) →

Accepted Answer

A)  Ba3N₂ and H₂O
B)  Ba(NO₂) 2 and H₂
C)  Ba(NO₂) 2 and H₂O
D)  Ba(NO₃) 2 and H₂
E)  Ba(NO₃) 2 and H₂O

Question 5

Which of the following symbolizes a liquid in a chemical equation?

Accepted Answer

A)  (s) 
B)  (l) 
C)  (g) 
D)  (aq) 
E)  none of the above

Question 6

Which common household product is Mg(OH) 2?

Accepted Answer

A)  baking soda
B)  drain cleaner
C)  milk of magnesia
D)  window cleaner
E)  none of the above

Question 7

What is the coefficient of hydrogen gas after balancing the following equation? __Mn(s) + __H₂SO₄(aq) → __MnSO₄(aq) + __H₂(g)

Accepted Answer

A)  1
B)  2
C)  3
D)  4
E)  none of the above

Question 8

What is the coefficient of water after balancing the following equation? __Li(s) + __H₂O(l) → __LiOH(aq) + __H₂(g)

Accepted Answer

A)  1
B)  2
C)  3
D)  4
E)  none of the above

Question 9

What is the coefficient of oxygen gas after balancing the following equation? __AgClO₃(s)   __AgCl(s) + __O₂(g)

Accepted Answer

A)  1
B)  2
C)  3
D)  4
E)  none of the above

Question 10

Which of the following is evidence for a chemical reaction?

Accepted Answer

A)  A gas is produced.
B)  An insoluble solid is produced in solution.
C)  A permanent color change is observed.
D)  An energy change is observed.
E)  all of the above

Question 11

Which of the following metals reacts with water at room temperature?

Accepted Answer

A)  Al
B)  Sr
C)  Fe
D)  Mg
E)  Be

Question 12

What is the predicted product from the following combination reaction? Ca(s) + O₂(g)

Accepted Answer

A)  CaO
B)  Ca2O
C)  CaO₂
D)  Ca2O₃
E)  Ca3O₂

Question 13

What is the coefficient of silver metal after balancing the following equation? __Cu(s) + __AgNO₃(aq) → __Cu(NO₃) 2(aq) + __Ag(s)

Accepted Answer

A)  1
B)  2
C)  3
D)  4
E)  none of the above

Question 14

What is the coefficient of ammonia gas after balancing the following equation? __N₂(g) + __H₂(g) → __NH₃(g)

Accepted Answer

A)  1
B)  2
C)  3
D)  4
E)  none of the above

Question 15

What type of chemical reaction is illustrated in the following example? N₂(g) + H₂(g) → NH₃(g)

Accepted Answer

A)  combination reaction
B)  decomposition reaction
C)  single-replacement reaction
D)  double-replacement reaction
E)  neutralization reaction

Question 16

What is the term for a compound that releases hydroxide ions when dissolved in water?

Accepted Answer

A)  acid
B)  base
C)  aqueous acid
D)  aqueous base
E)  none of the above

Question 17

What is the term for the relative order of metals arranged by their ability to undergo reaction?

Accepted Answer

A)  activity series
B)  elemental series
C)  reactivity series
D)  productivity series
E)  none of the above

Question 18

Which of the following is evidence for a reaction when two solutions mix?

Accepted Answer

A)  Bubbles are released.
B)  Insoluble particles form.
C)  An indicator changes color.
D)  Heat is produced.
E)  all of the above

Question 19

What is the term for the process of undergoing a chemical change?

Accepted Answer

A)  chemical equation
B)  chemical formula
C)  chemical reaction
D)  chemical symbol
E)  none of the above

Question 20

What is the term for a substance undergoing a chemical change?

Accepted Answer

A)  catalyst
B)  compound
C)  product
D)  reactant
E)  none of the above

Exam 7: Chemical Reactions

What is the coefficient of water after balancing the following equation? __Li(s) + __H₂O(l) → __LiOH(aq) + __H₂(g)

Correct AnswerverifiedShow Answer

What is the coefficient of silver metal after balancing the following equation? __Cu(s) + __AgNO₃(aq) → __Cu(NO₃) 2(aq) + __Ag(s)

Correct AnswerverifiedShow Answer

What is the coefficient of ammonia gas after balancing the following equation? __N₂(g) + __H₂(g) → __NH₃(g)

Correct AnswerverifiedShow Answer

What is the coefficient of oxygen gas after balancing the following equation? __AgClO₃(s) __AgCl(s) + __O₂(g)

Correct AnswerverifiedShow Answer

What is the term for a compound that releases hydroxide ions when dissolved in water?

Correct AnswerverifiedShow Answer

Which of the following is evidence for a chemical reaction?

Correct AnswerverifiedShow Answer

What type of chemical reaction is illustrated in the following example? N₂(g) + H₂(g) → NH₃(g)

Correct AnswerverifiedShow Answer

What is the term for the process of undergoing a chemical change?

Correct AnswerverifiedShow Answer

What are the predicted products from the following neutralization reaction? HNO₃(aq) + Ba(OH) 2(aq) →

Correct AnswerverifiedShow Answer

What is the predicted product from the following combination reaction? Ca(s) + O₂(g)

Correct AnswerverifiedShow Answer

Which of the following is evidence for a reaction when two solutions mix?

Correct AnswerverifiedShow Answer

What is the term for a substance undergoing a chemical change?

Correct AnswerverifiedShow Answer

Which of the following metals reacts with water at room temperature?

Correct AnswerverifiedShow Answer

What is the term for the relative order of metals arranged by their ability to undergo reaction?

Correct AnswerverifiedShow Answer

Which of the following symbolizes a liquid in a chemical equation?

Correct AnswerverifiedShow Answer

What are the predicted products from the following decomposition reaction? PbCO₃(s)

Correct AnswerverifiedShow Answer

Which common household product is Mg(OH) 2?

Correct AnswerverifiedShow Answer

What are the products from the complete neutralization of carbonic acid with aqueous potassium hydroxide?

Correct AnswerverifiedShow Answer

What is the coefficient of hydrogen gas after balancing the following equation? __Mn(s) + __H₂SO₄(aq) → __MnSO₄(aq) + __H₂(g)

Correct AnswerverifiedShow Answer

What are the predicted products from the following neutralization reaction? HC₂H₃O₂(aq) + Ca(OH) 2(aq) →

Correct AnswerverifiedShow Answer

What is the coefficient of water after balancing the following equation? Li(s) + H₂O(l) → LiOH(aq) + H₂(g)

Correct Answer
verified

What is the coefficient of silver metal after balancing the following equation? Cu(s) + AgNO₃(aq) → Cu(NO₃) 2(aq) + Ag(s)

Correct Answer
verified

What is the coefficient of ammonia gas after balancing the following equation? N₂(g) + H₂(g) → __NH₃(g)

Correct Answer
verified

What is the coefficient of oxygen gas after balancing the following equation? AgClO₃(s) AgCl(s) + __O₂(g)

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

What is the coefficient of hydrogen gas after balancing the following equation? Mn(s) + H₂SO₄(aq) → MnSO₄(aq) + H₂(g)

Correct Answer
verified

Correct Answer
verified