wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

CHM 130: Practice final (modules 4-7)

Total questions: 75

Worksheet time: 2hrs 0mins

Name
Class
Date
1.

Label the parts of the reaction diagram.

a)

reactants

b)

products

c)

activation energy

1
2
3
1)
2)
3)
2.

Which of the following would increase the rate of reaction? Select ALL correct answers.

a)

Addition of a catalytst

b)

Increasing the temperature

c)

Decreasing activation energy

d)

Decreasing the energy of the products

e)

Increasing the concentration of reactants

3.

Reaction rates are increased by ​ (a)   the ​ (b)   between reactants.

Choose from the below words
increasing
frequency of collisions
decreasing
energy difference
4.

What is activation energy?

a)
Minimum amount of energy required to start a chemical reaction
b)
The energy required to stop a chemical reaction
c)
The maximum amount of energy required to start a chemical reaction
d)
The energy released during a chemical reaction
5.

What is the activation energy (in kJ) of the reaction shown in the diagram?

6.

Substance that increases the rate of reaction by decreasing activation energy.

(a)  

7.

How do catalysts speed up the rate of reaction?

a)

By decreasing the energy difference between producst and reactants

b)

By adding energy to a reaction

c)

By decreasing the activation energy required for a reaction

d)

By increasing the kinetic energy of reactants

8.

In exothermic reactions, energy is ​ (a)   .

In endothermic reactions, energy is ​ (b)   .

Choose from the below words
released
absorbed
9.

Organize these options into the right categories

Categorize the following

ΔE is negative

ΔE is positive

Energy is released

Energy is absorbed

Energy is a product

Energy is a reactant

A + B --> C + energy

X + Y + energy --> Z

Products are lower energy than reactants

Products are higher energy than reactants

Exothermic reactions
Endothermic reactions
10.

Is this reaction exothermic or endothermic?

a)

Exothermic, because the products are lower energy than the reactants

b)

Endothermic, because the products are lower energy than the reactants

c)

Exothermic, because the products are higher energy than the reactants

d)

Endothermic, because the products are higher energy than the reactants

11.

Is this reaction exothermic or endothermic?

a)

Exothermic, because the products are lower energy than the reactants

b)

Endothermic, because the products are lower energy than the reactants

c)

Exothermic, because the products are higher energy than the reactants

d)

Endothermic, because the products are higher energy than the reactants

12.

What does it mean for a chemical reaction to be in equilibrium?

a)
No net change in the concentrations of reactants and products
b)
The reaction has only products and no reactants
c)
The reaction is proceeding very slowly
d)
The reaction has stopped completely
13.

If the equilibrium for reaction shifts to the left, what will happen?

W + X + heat ⟺ Y + ZW\ +\ X\ +\ heat\ \Longleftrightarrow\ Y\ +\ Z

a)

More W, X, and heat will be produced

b)

More Y and Z will be produced

14.

What is Le Chatelier's Principle used for in chemistry?

a)
Balancing chemical equations
b)
Predicting the effect of a change in conditions on a chemical equilibrium
c)
Measuring the rate of a chemical reaction
d)
Identifying the elements in a compound
15.

According to Le Chatelier's principle, what factors cause predictable changes to a system in equilibrium?

a)
Changes in temperature, pressure, or concentration of reactants or products
b)

Changes in the shape of the reaction vessel

c)
Changes in the phase of the reactants or products
d)
Changes in color, odor, or taste of the products
16.

According to Le Chatelier's principle, what will happen if additional reactant is added?

a)
The reaction will stop completely.
b)

The system will move in the forward direction to consume the added reactant.

c)

The system will move in the reverse direction to replace the added reactant.

d)
The temperature of the system will decrease.
17.

A + B ⟺ C + D + heatA\ +\ B\ \Longleftrightarrow\ C\ +\ D\ +\ heat
If A is removed from the reaction, the reaction will run ​ in the ​ (a)   direction,
to generate more ​ (b)   .​

Choose from the below words
reactants
products
reverse
forward
18.

A + B ⟺ C + D + heatA\ +\ B\ \Longleftrightarrow\ C\ +\ D\ +\ heat
If B is added to the reaction, the reaction will run ​ in the ​ (a)   direction,
to ​ (b)   the added reactant.

Choose from the below words
reverse
forward
consume
replace
19.

Predict the equilibrium shift for each situation
A + B ⟺ C + heatA\ +\ B\ \Longleftrightarrow\ C\ +\ heat

Categorize the following

Decreasing [A]

Decreasing [B]

Increasing [C]

Increasing the temperatur

Increasing [A]

Increasing [B]

Decreasing [C]

Decreasing the temperature

Causes shift to the left
Causes shift to the right
20.

Predict the equilibrium shift for each situation
CH4+CCl4 ⟺ CO + Cl2CH_4+CCl_4\ \Longleftrightarrow\ CO\ +\ Cl_2

Categorize the following

Increasing [CO]

Increasing [Cl2]

Decreasing [CH4]

Decreasing [CCl4]

Decreasing [CO]

Decreasing [Cl2]

Increasing [CH4]

Increasing [CCl4]

Causes shift to the left
Causes shift to the right
21.

Organic Chemistry is the study of the structure, properties, composition, reactions, and preparation of ​ (a)   , derived from ​ (b)   things

Choose from the below words
carbon-containing compounds
living and non-living
hyrdogen-containing compounds
small
mutiverse
22.

Carbon will always form ___ bonds.

23.

Hydrocarbons where each carbon is bonded to four other atoms, and all bonds are single bonds.

a)

Alkanes

b)

Alkenes

c)

Alkynes

24.

Hydrocarbons that contain at least one carbon-to-carbon double bond.

a)

Alkanes

b)

Alkenes

c)

Alkynes

25.

Hydrocarbons that contain at least one carbon-to-carbon triple bond.

a)

Alkanes

b)

Alkenes

c)

Alkynes

26.

What is the prefix used when referring to ring structures?

a)

Pyro-

b)

Aro-

c)

Cyclo-

d)

None of the above

27.

Characterized these types of organic molecules as saturated or unsaturated compounds

Categorize the following

Alkanes

Only C-C single bonds

Cycloalkanes

At least one double or triple bond

Alkenes

Alkynes

Arenes

Saturated compounds
Unsaturated compounds
28.

Match the functional group with the suffix that is used for naming.

a)

Alkanes

1.

-ane

b)

Alkenes

2.

-ene

c)

Alkynes

3.

-yne

29.

Sort the steps for naming alkanes.

a)

Find the longest carbon chain

b)

Number the carbon chain so substituents have lowest possible numbers

c)

Identify the types of substituents

1)
2)
3)
30.

What is the common name given to this alkyl branch?

a)

Propyl

b)

Methyl

c)

Isopropyl

d)

Ethane

31.

What is the common name for alkyl branch A in the image?

a)

sec-butyl

b)

propyl

c)

neopentyl

d)

isopropyl

32.

When writing names for organic compounds, commas separate....

a)

numbers

b)

names from numbers

33.

When writing names for organic compounds, dashes separate....

a)
numbers
b)
names from numbers
34.

What is the parent name of this structure (based on the longest carbon chain)?

a)

nonane

b)

pentane

c)

heptane

d)

cyclohexane

35.

What is correct skeletal structure of this compound

a)

b)

c)

d)

36.

2,5-dimethyloctane

a)

b)

c)

d)

37.

Give the IUPAC name for this compound

a)

3-methyl-4-ethylhexane

b)

3-ethyl-4-methylhexane

c)

3-methyl-4-ethylheptane

d)

3-ethyl-4-methylheptane

38.

Which is the structures with IUPAC nomenclature


2,2,4-trimethylpentane

a)
b)
c)
d)
39.

What best describes this organic molecule?

a)

Aldehyde

b)

Ketone

c)

Alcohol

d)

Alkane

40.

What best describes this organic molecule?

a)

Aldehyde

b)

Ketone

c)

Alcohol

d)

Alkane

41.

What best describes this organic molecule?

a)

Aldehyde

b)

Ketone

c)

Alcohol

d)

Alkane

42.

Select ALL of the ALCOHOLS:

a)

b)

c)

CH3CH2CH2OH

d)

CH3CH2COOH

e)

43.

Which clases of organic molecules contain a CARBONYL group? Select ALL correct answers.

a)

Alcohols

b)

Carboxylic acids

c)

Ethers

d)

Aldehydes

e)

Ketones

44.

Match the functional group with the type of organic molecule

a)

hydroxy group

1.

alcohol

b)

terminal carbonyl group

2.

aldehyde

c)

internal carbonyl group

3.

ketone

d)

carbonyl attached to hydroxyl

4.

carboxylic acid

45.

Rank these from lowest boiling point to highest boiling point

a)

Alkanes

b)

Ethers

c)

Aldehydes

d)

Alcohols

1)
2)
3)
4)
46.

Rank these alcohols from lowest to highest boiling point.

a)

Ethanol

b)

Butanol

c)

Hexanol

d)

Octanol

1)
2)
3)
4)
47.

The structure of 3-methyl-4-hydroxyhexanal is :

a)
b)
c)
d)
48.

What is the name for this molecule?

a)

3-hexyl ether

b)

methyl pentyl ether

c)

dipropyl ether

d)

3-oxyhexane

49.

What is the name of this organic structure?

a)

2,3-heptanal

b)

2,3-heptanol

c)

2,3-hydroxyheptane

d)

2,3-heptanediol

50.

Is this an aldehyde or a ketone?

a)

aldehyde

b)

ketone

51.

Which of these compounds is an aldehyde?

a)

b)

c)

d)

52.

Which one is propanal?

a)
b)
c)
d)
53.

Name this

a)

4-isopropyl pentanal

b)

2-isopropyl pentanal

c)

2-propyl-3-methylbutanal

54.

Name the functional group shown.

a)

sulfhydryl

b)

hydroxyl

c)

amine

d)

phosphate

55.

Which functional group is shown?

a)

amine

b)

ketone

c)

amide

d)

organic acid

56.

What functional group is shown?

a)

amide

b)

ketone

c)

organic acid

d)

amine

57.

Name the compound based on the functional group present.

a)

ethanamine

b)

methanamine

c)

amino acid

d)

propanamine

58.

This compound is an example of

a)

a primary amine

b)

a secondary amine

c)

a tertiary amine

d)

cannot be classified as a primary, secondary or tertiary amine

59.

What is the basis for classifying amines as primary, secondary, or tertiary?

a)

the number of carbon atoms bonded directly to the nitrogen atom

b)

the number of carbon atoms bonded to a carbon bearing nitrogen

c)

the number of nitrogen atoms present

d)

the number of hydrogen atoms present

60.

What is the IUPAC name for this compound?

a)

N-isopropylmethanamide

b)

N-ethylmethanamide

c)

1-methylethanamide

d)

1-propanamide

61.

Rank the compounds according to solubility in water, from least soluble (1) to most soluble (3).

a)

b)

1-pentanamine

c)

pentanamide

1)
2)
3)
62.

Is this monosaccharide a ketose or an aldose?

(a)  

63.

Is this monosaccharide a ketose or an aldose?

(a)  

64.

What best describes this monosaccharide?

a)

Aldotetrose

b)

Aldotriose

c)

Ketotetrose

d)

Ketotriose

65.

Match the type of disaccharide to its source.

a)

Lactose

1.

Found in milk

b)

Sucrose

2.

Commonly known as table sugar

c)

Maltose

3.

Found in beer

66.

Organize these options into the right categories

Categorize the following

Glucose

Fructose

Galactose

Lactose

Maltose

Sucrose

Monosaccharide
Disaccharide
67.

Label the parts of the amino oacid

a)

Sugar

b)

Phosphate group

c)

Amino group

d)

Carboxyl group

e)

R group

1
2
3
1)
2)
3)
68.

Match the level of protein structure with the types of interactions that stabilze that level of structure

a)

Covalent peptide bonds

1.

Primary protein structure

b)

Hydrogen bonds

2.

Secondary protein structure

c)

Hydrophobic interactions, hydrogen bonds, disulfide bridges, and ionic bonds

3.

Teriatry protein structure

69.

What level of protein structure is the 3D shape of a single polypeptide chain?

a)
Tertiary structure
b)
Quaternary structure
c)
Secondary structure
d)
Primary structure
70.

What level of protein structure is maintained by hydrogen bonds that form alpha-helices and beta-sheets?

a)
Tertiary structure
b)
Quaternary structure
c)
Secondary structure
d)
Primary structure
71.

The region on the surface of the enzyme that the substrate binds to is the

a)

active site.

b)

activation energy.

c)

lock-and-key model.

d)

catalysis.

72.

Enzymes act as catalysts to __________ the rate of a biochemical reaction by ___________ the activation energy needed for the reaction to occur.

a)

increase, lowering

b)

decrease, lowering

c)

increase, raising

d)

decrease, raising

73.

As a substrate approaches an active site, the substrate and enzyme both slightly change shape, known as

a)

concentration increase

b)

lock and key

c)

induced fit

d)

enzyme substrate specificity

74.

According to the induced fit model, as a substrate approaches an enzyme, it induces a ______________ in both the substrate and the active site.

a)

conformational change

b)

chemical change

c)

color change

75.

Which of the following do NOT affect enzymes ability to function?

a)

pH

b)

substrate concentration

c)

temperature

d)

color

Similar Resources on Wayground

Gene Technology Review Game

71 questions

Gene Technology Review Game

quiz

Worksheet

•

University

Year eight Science

79 questions

Year eight Science

quiz

Worksheet

•

8th Grade - Professio...

AP Chemistry Thou Shalt Not Forget Unit 8

75 questions

AP Chemistry Thou Shalt Not Forget Unit 8

quiz

Worksheet

•

10th Grade - University

Revision Physical Chem HUCM

71 questions

Revision Physical Chem HUCM

quiz

Worksheet

•

University

Metallurgy

73 questions

Metallurgy

quiz

Worksheet

•

University

stoichiometry practice

75 questions

stoichiometry practice

quiz

Worksheet

•

University

Prof Temmy's questions on chemical bonding

76 questions

Prof Temmy's questions on chemical bonding

quiz

Worksheet

•

University

AP Chem Unit 4 Review

77 questions

AP Chem Unit 4 Review

quiz

Worksheet

•

11th Grade - University