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Fundamentals of General, Organic, and Biological Chemistry, 7e (McMurry)
Chapter 5 Classification and Balancing of Chemical Reactions
1) In a chemical reaction
Answer: A
Diff: 3
Section: 5.1
2) Consider the balanced equation shown and identify the statement that is not true.
Na2SO4 (aq) + BaCl2 (aq) 2 NaCl (aq) + BaSO4 (s)
Answer: E
Diff: 1
Section: 5.1
3) In a precipitation reaction the insoluble product can be identified by the symbol ________.
Answer: D
Diff: 1
Section: 5.1
4) Consider the reaction shown and identify the statement that is not true.
CaCO3 (s) CaO (s) + CO2 (g)
Answer: D
Diff: 1
Section: 5.1
5) The scientific principle which is the basis for balancing chemical equations is
Answer: B
Diff: 2
Section: 5.1
6) Which statement regarding balanced chemical equations is not true?
Answer: C
Diff: 2
Section: 5.2
7) Which is the correct equation for the reaction of magnesium with hydrochloric acid to produce hydrogen and magnesium chloride?
Answer: A
Diff: 2
Section: 5.2
8) Which of the following equations is not balanced?
Answer: D
Diff: 2
Section: 5.2
9) Which of the following equations is not balanced?
Answer: A
Diff: 2
Section: 5.2
10) When the reaction shown is correctly balanced, the coefficients are:
KClO3 KCl + O2
Answer: C
Diff: 2
Section: 5.2
11) When the reaction shown is correctly balanced, the coefficients are:
C6H14 (l) + O2 (g) CO2 (g) + H2O (g)
Answer: B
Diff: 2
Section: 5.2
12) When the following reaction is balanced the coefficient in front of carbon dioxide is:
____ C5H12 + ____ O2 ____ CO2 + ____ H2O
Answer: A
Diff: 1
Section: 5.2
13) When the following reaction is balanced the coefficient in front of oxygen is:
____ C8H18 + ____ O2 ____ CO2 + ____ H2O
Answer: A
Diff: 3
Section: 5.2
14) In the correctly balanced reaction the coefficient for the H2O is:
____ Al(OH)3 + ____ H2SO4 ____ Al2 (SO4)3 + ____ H2O
Answer: D
Diff: 2
Section: 5.2
15) When the reaction shown is correctly balanced, the coefficients are:
____ HBr + ____ Ca(OH)2 ____ CaBr2 + ____ H2O
Answer: C
Diff: 2
Section: 5.2
16) When the reaction shown is correctly balanced, the coefficients are:
Li + Br2 LiBr
Answer: E
Diff: 2
Section: 5.2
17) When the reaction shown is correctly balanced, the coefficients are:
HNO3 + KOH KNO3 + H2O
Answer: B
Diff: 2
Section: 5.2
18) When the reaction shown is balanced, there are ________ atoms of oxygen and ________ atoms of hydrogen on each side.
(NH4)2SO4 (aq) + Ba(C2H3O2)2 (aq) BaSO4 (s) + NH4C2H3O2 (aq)
Answer: C
Diff: 3
Section: 5.2
19) The balanced equation for the reaction occurring when calcium nitrate solution is mixed with sodium phosphate solution is
Answer: D
Diff: 3
Section: 5.3
20) The balanced equation for the reaction occurring when iron(III) oxide, a solid, is reduced with pure carbon to produce carbon dioxide and molten iron is
Answer: E
Diff: 3
Section: 5.3
21) The balanced equation for the reaction between aqueous ammonium sulfate and aqueous barium acetate is
Answer: B
Diff: 3
Section: 5.3
22) The reaction 2 AgNO3 (aq) + K2SO4 (aq) 2 KNO3 (aq) + Ag2SO4 (s) is an example of a(an) ________ reaction.
Answer: C
Diff: 1
Section: 5.3
23) Which reaction is an example of a precipitation reaction?
Answer: D
Diff: 1
Section: 5.3
24) Which reaction is an example of both a precipitation and a neutralization?
Answer: D
Diff: 2
Section: 5.3
25) The following reaction can be classified as what type(s) of reaction(s)?
2 Al(OH)3 (aq) + 3 H2SO4 (aq) Al2(SO4)3 (s) + 6 H2O (l)
Answer: D
Diff: 2
Section: 5.3
26) The formation of which one of the compounds below will act as the driving force for an acid-base reaction?
Answer: A
Diff: 2
Section: 5.3
27) The combination of ions most likely to produce a precipitate is
Answer: D
Diff: 2
Section: 5.4
28) The combination of ions least likely to produce a precipitate is
Answer: E
Diff: 2
Section: 5.4
29) Which of the following is not soluble in water?
Answer: C
Diff: 2
Section: 5.4
30) When a solution of iron(III) nitrate is mixed with a solution of sodium hydroxide, a rust colored precipitate forms. This precipitate is probably
Answer: D
Diff: 3
Section: 5.4
31) Which reaction is an example of an acid-base reaction?
Answer: B
Diff: 2
Section: 5.5
32) Which one of the following substances is produced during an acid/base (or neutralization) reaction?
Answer: B
Diff: 2
Section: 5.5
33) Fe(s) + CuCl2 (aq) Cu(s) + FeCl2 (aq)In the redox reaction shown, ________ is oxidized and becomes ________.
Answer: B
Diff: 2
Section: 5.6
34) All of the statements regarding redox reactions are true except
Answer: D
Diff: 2
Section: 5.6
35) Which reaction is not an example of a redox reaction?
Answer: B
Diff: 2
Section: 5.6
36) All of the reactions shown are oxidation-reduction reactions except
Answer: E
Diff: 3
Section: 5.6
37) The element chlorine is very reactive as a(an) ________ agent because it readily ________ electrons to form the chloride ion.
Answer: B
Diff: 3
Section: 5.6
38) When a substance loses electrons it is ________; the substance itself is acting as a(an) ________ agent.
Answer: B
Diff: 3
Section: 5.6
39) In the reaction shown, ________ is the oxidizing agent because it ________.
Ni (s) + CuCl2 (aq) Cu (s) + NiCl2 (aq)
Answer: D
Diff: 3
Section: 5.6
40) Reduction is the process of
Answer: E
Diff: 3
Section: 5.6
41) In the following reaction which species is being oxidized and which is being reduced?
2 Cr (s) + 3 Cl2 (g) 2 CrCl3 (s)
Answer: C
Diff: 3
Section: 5.5
42) The oxidation number of iron in the compound FeBr3 is ________.
Answer: E
Diff: 1
Section: 5.7
43) The oxidation number of sulfur in calcium sulfate, CaSO4, is ________.
Answer: A
Diff: 1
Section: 5.7
44) The oxidation number of chlorine in the compound FeCl3 is ________.
Answer: C
Diff: 1
Section: 5.7
45) As a pure element the oxidation number of zinc is ________, but in compounds such as ZnCO3 its oxidation number is ________.
Answer: D
Diff: 2
Section: 5.7
46) 2 AgNO3 (aq) + K2SO4(aq) 2 KNO3 (aq) + Ag2SO4s)
The net ionic reaction for the balanced equation shown above is
Answer: D
Diff: 3
Section: 5.8
47) The net ionic equation for the reaction between zinc and hydrochloric acid solution is
Answer: A
Diff: 3
Section: 5.8
48) 2 AgNO3 (aq) + K2SO4 (aq) 2 KNO3 (aq) + Ag2SO4 (s)
The spectator ions in the reaction shown are
Answer: C
Diff: 3
Section: 5.8
49) What are the spectator ions in the reaction between KOH and HNO3?
Answer: C
Diff: 3
Section: 5.8
50) Which of the following is always a spectator ion in a chemical reaction?
Answer: A
Diff: 3
Section: 5.8
Match the following.
51) M (s) + 2 LX (aq)
2 L (s) + MX2 (aq)
Diff: 1
Section: 5.3
52) LX (aq) + MY (aq)
LY (s) + MX (aq)
Diff: 1
Section: 5.3
53) HR (aq) + XOH (aq)
XR (aq) + H2O (l)
Diff: 2
Section: 5.3
Answers: 51) A 52) C 53) B
Fundamentals of General, Organic, and Biological Chemistry, 7e (McMurry)
Chapter 15 Amines
1) What is the IUPAC name of the compound shown?
Answer: E
Diff: 1
Section: 15.1
2) Which molecule is N,N-dimethylpropylamine?
Answer: C
Diff: 1
Section: 15.1
3) Which molecule shown is trimethylamine?
Answer: D
Diff: 1
Section: 15.1
4) Which molecule shown is N,N-dimethylethylamine?
Answer: E
Diff: 1
Section: 15.1
5) What is the correct IUPAC name of the compound shown?
Answer: B
Diff: 2
Section: 15.1
6) What is the correct IUPAC name for the following compound?
Answer: B
Diff: 2
Section: 15.1
7) When the nitrogen atom in an organic compound has four covalent bonds, it is called a
Answer: D
Diff: 1
Section: 15.1
8) All of the following compounds are amines except
Answer: D
Diff: 2
Section: 15.1
9) Which compound is a secondary amine?
Answer: B
Diff: 2
Section: 15.1
10) Which compound is a primary amine?
Answer: C
Diff: 2
Section: 15.1
11) Which of the following molecules is an example of a primary amine?
Answer: A
Diff: 2
Section: 15.1
12) Which of the following molecules is an example of a secondary amine?
Answer: B
Diff: 2
Section: 15.1
13) Which molecule is a tertiary amine?
Answer: A
Diff: 2
Section: 15.1
14) Amines are classified by
Answer: A
Diff: 3
Section: 15.1
15) Amines are most similar in chemical structure and behavior to
Answer: B
Diff: 1
Section: 15.2
16) Amines can be considered organic derivatives of the inorganic compound
Answer: A
Diff: 1
Section: 15.2
17) Which organic functional group is important for its basic properties?
Answer: A
Diff: 1
Section: 15.2
18) All of the following are properties of amines except
Answer: D
Diff: 2
Section: 15.2
19) Which amine has the lowest boiling point?
Answer: C
Diff: 2
Section: 15.2
20) Which class of amines can form intermolecular hydrogen bonds?
Answer: D
Diff: 3
Section: 15.2
21) When comparing amine compounds of different classes but similar molar masses, which type will most likely be the highest boiling point?
Answer: A
Diff: 1
Section: 15.1
22) Which amine has the highest boiling point?
Answer: A
Diff: 2
Section: 15.2
23) Arrange the following compounds in order of increasing boiling point. List and describe the criteria that must be considered in answering this question.
Compounds
Answer: 3 < 4 < 2 < 5 < 1;
Criteria considered include:
Diff: 3
Section: 15.2
24) The boiling point of ethylamine is higher than that of propane but lower than that of 1-propanol. This means that
Answer: B
Diff: 3
Section: 15.2
25) Which molecule listed is heterocyclic?
Answer: C
Diff: 1
Section: 15.3
26) Which molecule is a heterocyclic compound?
Answer: E
Diff: 2
Section: 15.3
27) Which of the following is a heterocyclic amine?
Answer: B
Diff: 1
Section: 15.3
28) The reaction that occurs between an amine and an acid is best illustrated by
Answer: C
Diff: 2
Section: 15.4
29) Which formula best represents the form an amine takes in acidic solution?
Answer: E
Diff: 2
Section: 15.4
30) When an amine behaves as a base it ________ a hydrogen ion to form a(an) ________ ion.
Answer: D
Diff: 3
Section: 15.4
31) The reaction of an amine with water is best represented by
Answer: C
Diff: 3
Section: 15.4
32) What is the most important chemical property of amines?
Answer: A
Diff: 3
Section: 15.4
33) Which type of amine will react with mineral acids to form soluble ammonium salts?
Answer: E
Diff: 3
Section: 15.5
34) An amine that is insoluble in water can be made to dissolve by adding it to an aqueous solution of
Answer: A
Diff: 2
Section: 15.5
35) Which of these types of compounds forms salts with acids?
Answer: B
Diff: 1
Section: 15.5
36) Which compound is an example of an amine salt?
Answer: B
Diff: 2
Section: 15.5
37) Some amine drugs are administered in the form of salts in order to
Answer: D
Diff: 1
Section: 15.4
38) If methylamine reacts with hydrochloric acid, the major product will be
Answer: C
Diff: 2
Section: 15.5
39) Lemon juice can be used to remove the odor of fish on a persons hands after cleaning fish. The chemical explanation for this is that the
Answer: B
Diff: 3
Section: 15.5
40) The following is an example of a
Answer: D
Diff: 2
Section: 15.5
41) Which compound is an example of an amine salt?
Answer: C
Diff: 3
Section: 15.5
42) The reaction of the pyridinium ion with water is best represented as ________.
Answer: A
Diff: 3
Section: 15.5
43) All of the following are characteristics of alkaloids except
Answer: E
Diff: 1
Section: 15.6
44) An alkaloid used in treating malaria is
Answer: A
Diff: 1
Section: 15.5
45) All of the following are nitrogen-containing compounds found in living organisms except
Answer: D
Diff: 2
Section: 15.6
46) An alkaloid is best described as any
Answer: A
Diff: 1
Section: 15.6
Fundamentals of General, Organic, and Biological Chemistry, 7e (McMurry)
Chapter 29 Body Fluids
1) Most of the water in the human body is found
Answer: B
Diff: 1
Section: 29.1
2) The major cation and anion inside cells are ________ and ________, respectively.
Answer: B
Diff: 1
Section: 29.1
3) The major cation and anion in extracellular fluids are ________ and ________, respectively.
Answer: D
Diff: 1
Section: 29.1
4) Which ion is not a major constituent of body fluids?
Answer: B
Diff: 1
Section: 29.1
5) The minor, but important, fluid that lubricates joints is
Answer: E
Diff: 1
Section: 29.1
6) Each of the following characteristics of molecules allows them to dissolve in water except
Answer: D
Diff: 2
Section: 29.1
7) The osmolarities of blood plasma, intracellular fluid, and interstitial fluid are ________ because ________.
Answer: B
Diff: 2
Section: 29.1
8) Different concentrations of potassium ion between intracellular and interstitial fluid are maintained by
Answer: D
Diff: 2
Section: 29.1
9) The body fluids that are found outside of cells are known as ________.
Answer: A
Diff: 3
Section: 29.1
10) The process of maintaining proper nutrient balance and temperature is called ________.
Answer: A
Diff: 3
Section: 29.1
11) Which bodily fluid has the highest concentration of potassium ion?
Answer: A
Diff: 3
Section: 29.1
12) The composition of blood plasma and interstitial fluid are almost identical, except that interstitial fluid contains ________ than blood plasma.
Answer: D
Diff: 2
Section: 29.1
13) The human body contains approximately 64% __________ fluid.
Answer: B
Diff: 2
Section: 29.1
14) Which of the following fluids contains the most proteins?
Answer: C
Diff: 2
Section: 29.1
15) The balance between water and electrolytes in the body is maintained by the
Answer: B
Diff: 1
Section: 29.2
16) The hormone that regulates the level of water in the urine (also known as the antidiuretic hormone) is
Answer: B
Diff: 2
Section: 29.2
17) How would urinary output be affected if the antidiuretic hormone was overexcreted?
Answer: C
Diff: 2
Section: 29.2
18) How would urinary output be affected if the antidiuretic hormone was underexcreted?
Answer: C
Diff: 2
Section: 29.2
19) Other than water, the major component of plasma is
Answer: D
Diff: 1
Section: 29.3
20) Whole blood is composed of each of the following components except
Answer: B
Diff: 2
Section: 29.3
21) All of the following are functions of blood except
Answer: D
Diff: 2
Section: 29.3
22) Two components of blood that carry out the transport function are ________ and ________.
Answer: C
Diff: 2
Section: 29.3
23) Two components of blood that carry out the protection function are ________ and ________.
Answer: A
Diff: 2
Section: 29.3
24) All of the following are small molecules commonly found dissolved in blood except
Answer: B
Diff: 2
Section: 29.3
25) The major function of platelets in the blood is
Answer: A
Diff: 2
Section: 29.3
26) Distinguish between inflammatory and immune responses to antigens.
Answer: The inflammatory response to an invader is a generalized response that leads to production of chemicals that cause redness, swelling, warmth and pain. The first three effects are the result of increased blood flow to the area. In addition, the increased blood flow brings additional white cells which destroy the invader by hydrolyzing its proteins. The pain in this response is the result of the production of prostaglandins.
Immune responses can be cell-mediated or antibody-mediated. In both cases the response depends on recognition of an invader by its antigens. In a cell-mediated response, a T cell recognizes the invader and causes production of killer T cells, which kill the invader. As a secondary effect, memory T cells are produced so that the invader can be recognized again in the future. In the antibody-mediated response, B cells identify antigens and bond to them, and then fight them with the assistance of helper T cells. B cells are able to recognize antigens in body fluids, and they are responsible for production of antibodies. Antibodies bond with the antigen and block its action.
Diff: 2
Section: 29.4
27) The non-specific localized response to an antigen is the
Answer: A
Diff: 1
Section: 29.4
28) Chemically, antibodies can be classified as
Answer: D
Diff: 1
Section: 29.4
29) The body fluid responsible for the proper functioning of the immune system is
Answer: A
Diff: 1
Section: 29.4
30) The amino acid that is the precursor to the substance associated with the inflammatory response is
Answer: C
Diff: 2
Section: 29.4
31) An antigen at the site of inflammation will probably be attacked and destroyed by
Answer: C
Diff: 2
Section: 29.4
32) The function of memory T cells is to
Answer: D
Diff: 2
Section: 29.4
33) B cells are associated with the
Answer: C
Diff: 2
Section: 29.4
34) Comment on the tertiary structure of the defensive proteins immunoglobulins and fibrin. Explain how the structure of each protein contributes to its function.
Answer: Immunoglobulins, as the name implies, are globular proteins. Since their function is recognition of a particular antigen, it makes sense that they would be globular so that they have a particular site, analogous to the active site on an enzyme, that is chemically similar to the antigen it must recognize.
Fibrin, as its name implies, is a fibrous protein. Since its function is to form blood clots, it makes sense that it would form a network that can block the flow of liquid. One could visualize fibrin as similar to a gauze pad that is placed on a wound to stop the flow of blood.
Diff: 3
Section: 29.4
35) All of the chemicals listed are associated with blood clotting except
Answer: E
Diff: 2
Section: 29.5
36) The first two steps in the process of hemostasis are ________ and ________.
Answer: B
Diff: 2
Section: 29.5
37) Blood clotting is a specific example of the bloods general function of
Answer: A
Diff: 2
Section: 29.5
38) Which is the correct order for the steps in the process of blood clotting?
III. formation of fibrin clot
Answer: D
Diff: 3
Section: 29.5
39) Fibrinogen can be classified as a(an) ________ because it circulates in the bloodstream in an inactive form until it is converted to its active form when needed.
Answer: E
Diff: 3
Section: 29.5
40) The inorganic component of hemoglobin that is critical to its function is ________.
Answer: A
Diff: 1
Section: 29.6
41) Hemoglobin contains how many heme groups for each molecule?
Answer: D
Diff: 1
Section: 29.6
42) The major function of red blood cells is
Answer: D
Diff: 2
Section: 29.6
43) What pH value is associated with the onset of respiratory alkalosis?
Answer: A
Diff: 3
Section: 29.6
44) The protein in red blood cells that is most important to their major function is
Answer: C
Diff: 2
Section: 29.6
45) Carbon dioxide is transported to the lungs in all of the following forms except ________.
Answer: A
Diff: 2
Section: 29.6
46) An increase in blood pH due to increased loss of CO2 through hyperventilation is called
Answer: B
Diff: 2
Section: 29.6
47) Hemoglobin is capable of carrying ________ oxygen molecules.
Answer: A
Diff: 3
Section: 29.6
48) Which of the following buffer systems is associated with the respiratory system?
Answer: B
Diff: 1
Section: 29.6
49) Carbon dioxide transport is an important aspect of maintaining proper pH in blood because
Answer: C
Diff: 3
Section: 29.6
50) Most of the carbon dioxide carried in the blood from the tissues to the lungs is in what form?
Answer: C
Diff: 3
Section: 29.6
51) In which part of the kidney is most of the water reabsorbed from the urine?
Answer: C
Diff: 2
Section: 29.7
52) All of the following are functions of the kidneys except
Answer: C
Diff: 2
Section: 29.7
53) The functional units in the kidney are the numerous
Answer: D
Diff: 2
Section: 29.7
54) All of the following can be found in a normal urine sample except
Answer: D
Diff: 1
Section: 29.8
55) Which of the following is considered to be a normal constituent of urine?
Answer: C
Diff: 2
Section: 29.9
56) The hormone that helps to regulate the level of sodium ions in the blood is
Answer: A
Diff: 1
Section: 29.9
57) Excess hydrogen ion is eliminated from the body in the urine without lowering the pH excessively by reaction of H+ with ________ or ________.
Answer: C
Diff: 3
Section: 29.8
Match the following.
58) extracellular fluid
Diff: 2
Section: 29.1
59) intracellular fluid
Diff: 2
Section: 29.1
60) antigen
Diff: 2
Section: 29.4
61) antibody
Diff: 2
Section: 29.4
62) alkalosis
Diff: 2
Section: 29.6
63) acidosis
Diff: 2
Section: 29.6
Answers: 58) E 59) D 60) A 61) B 62) F 63) C
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