Question 1

What two functional groups do amino acids contain?

Accepted Answer

A)  Carboxylic acid and amide
B)  Alcohol and amine
C)  Carboxylic acid and amine
D)  Phenol and amine

Question 2

Which of the following is located in Group 2 of the periodic table?

Accepted Answer

A)  Barium
B)  Hydrogen
C)  Neon
D)  Lithium

Question 3

Which of the following types of reactions is responsible for cleaving glycosidic bonds

Accepted Answer

A)  Hydrolysis
B)  Polymerization
C)  Oxidative cleavage
D)  Dimerization

Question 4

What type of electrons participate in chemical bonds?

Accepted Answer

A)  Core electrons
B)  Inner shell electrons
C)  Valence electrons
D)  Auger electrons

Question 5

Which of the following best describes a saturated solution?

Accepted Answer

A)  An unstable solution where crystals form
B)  A solution where more solute can dissolve
C)  A solution where no more solute can dissolve
D)  A solution that contains salt

Question 6

Which of the following describes a single covalent bond?

Accepted Answer

A)  A bond that shares one electron pair
B)  A bond that shares no electron pairs
C)  A bond that shares a single proton
D)  A bond that shares two electron pairs

Question 7

What is meant by the phrase "the equilibrium lies far to the right"?

Accepted Answer

A)  The equilibrium greatly favors the products.
B)  The reaction has gone to completion.
C)  The equilibrium greatly favors the reactants.
D)  The equilibrium has been destroyed.

Question 8

Which of the following correctly defines the term isotope?

Accepted Answer

A)  Atoms with the same number of neutrons and electrons, but a different number of protons.
B)  Atoms that have the same number of protons and neutrons, but a different number of electrons.
C)  Atoms with the same number of protons and electrons, but a different number of neutrons.
D)  Atoms that have different numbers of neutrons, electrons, and protons.

Question 9

Calculate the molarity of a solution that contains 2.5 moles in 195 liters

Accepted Answer

A)  0.013 M
B)  1.865 M
C)  0.019 M
D)  0.231 M

Question 10

Which option is the correct scientific notation of 734,000,000?

Accepted Answer

A)  7.34 x 108
B)  7.34 × 10-8
C)  7.34 × 10-7
D)  7.34 × 107

Question 11

Glycogen is composed of which of the following sugars?

Accepted Answer

A)  Sucrose
B)  Dextrose
C)  Glucose
D)  Fructose

Question 12

Which of the following best describes what occurs when an equilibrium is established in a reaction?'

Accepted Answer

A)  The rate of the forward reaction is equal to the rate of the reverse reaction.
B)  All reagents have been consumed.
C)  The catalyst is fully consumed, terminating the reaction.
D)  All products have precipitated from the solution.

Question 13

Which of the following does pH measure?

Accepted Answer

A)  The strength of an acid
B)  The concentration of hydrogen ions
C)  The concentration of hydroxide ions
D)  Acid concentration

Question 14

Which of the following solvents are lipids insoluble in?

Accepted Answer

A)  Dichloromethane
B)  Ethanol
C)  Water
D)  Chloroform

Question 15

Which option correctly converts 4.51 × 10-5 to standard notation?

Accepted Answer

A)  0) 0000451
B)  0) 00000451
C)  4,510,000
D)  4,510

Question 16

How many total amino acids are needed for the human body to produce all the proteins it needs?

Accepted Answer

A)  11
B)  9
C)  20
D)  10

Question 17

Which of the following is a property of noble gases?

Accepted Answer

A)  They have a full octet of valence electrons
B)  They are highly reactive
C)  They have a -1 charge
D)  They are easily ionized

Question 18

What is 6.5 × 10-5 equal to in standard form?

Accepted Answer

A)  0) 000065
B)  650,000
C)  0) 00065
D)  0) 0065

Question 19

When brass is created by mixing zinc and copper, what type of solution is created?

Accepted Answer

A)  Alloy
B)  Compound
C)  Liquid-liquid
D)  Emulsion

Question 20

What type of bond is formed when a bond's electrons are equally shared?

Accepted Answer

A)  Polar covalent bond
B)  Ionic bond
C)  Hydrogen bond
D)  Nonpolar covalent bond

Exam 1: HESI-A2-Chemistry

What type of electrons participate in chemical bonds?

Correct AnswerverifiedShow Answer

What is meant by the phrase "the equilibrium lies far to the right"?

Correct AnswerverifiedShow Answer

Which of the following is located in Group 2 of the periodic table?

Correct AnswerverifiedShow Answer

Which of the following does pH measure?

Correct AnswerverifiedShow Answer

Which of the following is a property of noble gases?

Correct AnswerverifiedShow Answer

Which option correctly converts 4.51 × 10-5 to standard notation?

Correct AnswerverifiedShow Answer

Which of the following describes a single covalent bond?

Correct AnswerverifiedShow Answer

What is 6.5 × 10-5 equal to in standard form?

Correct AnswerverifiedShow Answer

How many total amino acids are needed for the human body to produce all the proteins it needs?

Correct AnswerverifiedShow Answer

Which of the following best describes a saturated solution?

Correct AnswerverifiedShow Answer

When brass is created by mixing zinc and copper, what type of solution is created?

Correct AnswerverifiedShow Answer

What type of bond is formed when a bond's electrons are equally shared?

Correct AnswerverifiedShow Answer

Which of the following solvents are lipids insoluble in?

Correct AnswerverifiedShow Answer

What two functional groups do amino acids contain?

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Which of the following types of reactions is responsible for cleaving glycosidic bonds

Correct AnswerverifiedShow Answer

Which of the following correctly defines the term isotope?

Correct AnswerverifiedShow Answer

Which option is the correct scientific notation of 734,000,000?

Correct AnswerverifiedShow Answer

Glycogen is composed of which of the following sugars?

Correct AnswerverifiedShow Answer

Which of the following best describes what occurs when an equilibrium is established in a reaction?'

Correct AnswerverifiedShow Answer

Calculate the molarity of a solution that contains 2.5 moles in 195 liters

Correct AnswerverifiedShow Answer

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Which option correctly converts 4.51 × 10^-5 to standard notation?

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What is 6.5 × 10^-5 equal to in standard form?

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