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Exam 3 Review

Total questions: 59

Worksheet time: 31mins

Name
Class
Date
1.

Which of the following is not a property of a solution?

a)

Physical state of final solution is same as solvent

b)

The solute and solvent react

c)

Can be solid, liquid, or gas

d)

Solute is dissolved in solvent

e)

None of the above

2.

T/F: Hydrogen bonds form between hydrogen and nitrogen, fluorine, and carbon

a)

True

b)

False

3.

If you put table salt (NaCl) into water, what way will the water molecules orient to the Na+?

a)

Oxygens toward Na

b)

Hydrogens toward Na

c)

Oxygens toward Cl

4.

T/F: a nonpolar substance can be dissolved in water

a)

True

b)

False

5.

A nonelectrolyte ...

a)

dissolves in water

b)

conducts electricity

c)

doesn't separate into ions

d)

Both A and C

6.

T/F: weak electrolytes have dissociation and recombination occurring at the same time

a)

True

b)

False

7.

What are the units for electrolytes in the body?

a)

mEq

b)

Molarity

c)

g solute/100 g solvent

d)

equivalents

8.

Which of the following solutions does not contain all of the solute it can dissolve?

a)

Saturated

b)

Supersaturated

c)

Unsaturated

d)

Polar

9.

T/F: Carbon compounds are electrolytes

a)

False

b)

True

10.

If I increase the temperature, what happens to the solubility?

a)

Decreases

b)

Increases

c)

Stays the same

11.

If a RBC is placed in a 3% glucose solution, will the RBC burst, shrink, or exhibit no change

a)

Burst (hemolysis)

b)

Shrink (crenation)

c)

No change

12.

What equation would you use to find dilution concentrations/volumes?

a)

Molarity

b)

Henry's Law

c)

C1V1=C2V2

d)

volume/volume (%)

13.

T/F: Hypotonic solutions have a lower solute concentration than RBCs, so fluid flows out of the cells (crenation)

a)

True

b)

False

14.

What is the normal blood concentration of NaCl?

a)

5%

b)

10%

c)

0.1%

d)

0.9%

15.

Which of the following has particles that can be separated by a semipermeable membrane?

a)

Solution

b)

Suspension

c)

Isotonic

d)

Colloid

16.

Which of the following has very large particles that may be visible?

a)

Solution

b)

Suspension

c)

Homogenous

d)

Colloid

17.

T/F: In osmosis, water flows from low solute concentration to high solute concentration.

a)

True

b)

False

18.

Is a 7% glucose solution hypotonic, hypertonic, or isotonic?

a)

Hypertonic

b)

Hypotonic

c)

Isotonic

19.

T/F: Molarity is measured in moles of solute/ liters of solvent

a)

True

b)

False

20.

Is a 0.9% NaCl solution hypertonic, hypotonic, or isotonic?

a)

Hypertonic

b)

Hypotonic

c)

Isotonic

21.

T/F: Acids have a sour taste

a)

True

b)

False

22.

If something is "donating" H+ in solution, what is it?

a)

Acid

b)

Base

c)

Electrolyte

d)

Nonelectrolyte

23.

In acid naming, what does "-ate" become?

a)

"-ic"

b)

"-ous"

c)

"per"

d)

"hypo"

24.

In acid naming, what does "-ite" become?

a)

"-ic"

b)

"-ous"

c)

"per"

d)

"hypo"

25.

What color does litmus paper turn when exposed to acids?

a)

Blue

b)

Red

c)

PInk

d)

Orange

26.

What is the correct name for H3PO3?

a)

phosphoric acid

b)

hypophosphoric acid

c)

perphosphoric acid

d)

phosphorous acid

27.

What is the name of HClO4?

a)

perchloric acid

b)

hypochlorous acid

c)

chloric acid

d)

chlorous acid

28.

Which of the following is a weak acid?

a)

HI

b)

H2CO3

c)

HBr

d)

HCl

e)

HNO3

29.

At acid-base equilibrium, what is going on with the rate of the forward and reverse reactions?

a)

Proceeding only forward

b)

Proceeding only in reverse

c)

Proceeding both forward and reverse

30.

What is the value of Kw?

a)

1.0x10-7

b)

1.0x10-14

c)

1.0x10-12

d)

1.0x10-4

31.

T/F: pH of 12 is an acidic pH

a)

True

b)

False

32.

Are you confident in finding pH from a given [H3O+]?

a)

Yes

b)

No

33.

Acids reactions with bases is what type of reaction?

a)

Combustion

b)

Combination

c)

Oxidation/Reduction

d)

Neutralization

34.

T/F: Endpoint is equal to the moles of acid and base and only happens on paper

a)

True

b)

False

35.

What is the purpose of buffers?

a)

Neutralize pH

b)

React with acids

c)

Prevent large fluctuations in pH

d)

React with bases

36.

What is the pH range for blood?

a)

7.23-7.35

b)

7.35-7.45

c)

7.45-7.55

d)

7-7.5

37.

T/F: Water cannot be a buffer

a)

True

b)

False

38.

In organic compounds, how many bonds does carbon have?

a)

1

b)

2

c)

3

d)

4

39.

Alkanes contain what kind of bonds?

a)

Single

b)

Double

c)

Triple

40.

An alkane with a substituent requires how many carbons?

a)

3 or more

b)

2 or more

c)

5 or more

d)

4 or more

41.

What are required for isomers to be created?

a)

Bonds

b)

Branches

c)

Free radicals

d)

More hydrogens

42.

Name this

a)

Cychexane

b)

Cycloheptane

c)

Cyclopropane

d)

Cyclopentane

43.

What is this?

a)

Alkane

b)

Alkene

c)

Alkyne

44.

Is this cis or trans?

a)

Cis

b)

Trans

45.

T/F: when naming, you start at the end nearest the branch

a)

True

b)

False

46.

T/F: Alkanes are soluble in water

a)

True

b)

False

47.

This is an example of:

a)

Saturated

b)

Unsaturated

48.

In the hydration of an alkene, what is produced?

a)

Water

b)

Alkene

c)

Alcohol

d)

Alkane

49.

In the hydrogenation of an alkene, what is formed?

a)

Water

b)

Alkene

c)

Alcohol

d)

Alkane

50.

What is this a picture of?

a)

Benzene ring

b)

Toluene

c)

Aniline

d)

Phenol

51.

What is this a picture of?

a)

Benzene Ring

b)

Touline

c)

Aniline

d)

Phenol

52.

What makes a thiol structurally unique?

a)

OH group

b)

O in the middle

c)

OH and benzene

d)

SH group

53.

What is this an example of?

a)

Alcohol

b)

Ether

c)

Ketone

d)

Thiol

54.

What do we add to CO gas?

a)

Ether

b)

Phenols

c)

Thiols

d)

Ketones

55.

Which of the following is a characteristic of a primary alcohol?

a)

3 H atoms

b)

2 H atoms

c)

1 H atom

d)

No H atoms

56.

Identify the functional group:

a)

Phenol

b)

Thiol

c)

Ketone

d)

Aldehyde

57.

Identify the functional group in the following:

a)

Alkene

b)

Alcohol

c)

Ketone

d)

Aldehyde

58.

What else do you need help with?

(a)  

59.

What is something you are confident about?

(a)  

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