**CHM 1025C ** Name: _________________

**Module Six Homework Packet**

**Module Six:
The Gaseous State (Chapter
10)**

A1._____(12) Properties of Solids
(11.4), Liquids(11.1), and Gases 10.1 **Answers**

A._____(10) Kinetic Molecular
Theory-**Section 10.10 page299** **Answers** a

B._____(00) Discussion Real vs Ideal Gas Equation-**Sect 10.10 ****Answer**** bc**

C._____(08) Standard
Conditions/Molar Volume-**Sect 8.5 ****Answer**** bc**

D._____(10) Gas Laws/Vocabulary-**Sections 10.4, 10.5, 10.6, 10.7, 10.8, 10.9**
**Answers**

E._____(30) Gas Law Problems- **Sections 10.4, 10.5, 10.6, 10.7, 10.8, 10.9, 10.10 ****Answers**

F. ____ (10)
Volume-Volume Stoichiometry Problem-**Section 9.6 ****Answers**** fg**

G._____(10) Mass-Volume Stoichiometry Problem-**Section 9.5 ****Answers**** fg**

H._____(10) Density (STP & Other
Conditions) Section 8.5/10.10 **Answers**

**______(100) Total** **= ______%**

M._____(100) Multiple
Choice Exam Chapter 10

M-6
Required Homework:

______(50) M-6
Pretest **Hardcopy** Homework Packet

**
______(50) M-6 Multiple Choice** (MC)
Practice (Chapter 10 only)
**(Blackboard Online)**

**Module Six- Part A: Kinetic Molecular Theory 5 points**

State the 5
assumptions of the Kinetic Molecular theory as stated in the book (Section
11.10 pages 300-1) :

1

2

3

4

5.

**For shorter answers reference section 10.10 page
299-300 and write only the bold black sentences**

**Module
Six Homework Packet-Page 2**

**Module
6 A Properties of Solids, Liquids and Gases 5 Points**

**State
four of the five properties of solids (Section 13.4 Corwin Text):**

**a****.**

**b****.**

**c****.**

**d****.**

**e****.**

**State
four of the five properties of liquids (Section 13.1 Corwin Text):**

**a****.**

**b****.**

**c****.**

**d****.**

**e****.**

**State
four of the five properties of gases (Section 11.1 Corwin Text):**

**a****.**

**b****.**

**c****.**

**d****.**

**e****.**

Reference:

Properties of Gases: Section
10.1 page 280

Properties of Liquids: Section
11.1 page 312

Properties of Solids:
Section 11.4 Pages 319-320

**Module
Six Homework Packet – Page 3**

**Module Six Part B: Discussion Question (up to 5 points bonus)**

In the Real Gas Equation:
(P + an** ^{2}**/V

Also a volume correction factor was subtracted. Why? (What
assumptions of the KMT breakdown under extreme conditions?)

**Module Six-Part C
Standard Conditions/Molar Volume
5 points**

State standard conditions (STP) in three units of pressure
(the last is your choice) and ^{o}**C**** **and** K temperatures:**

_____mm Hg or ______torre= ______atm = _____ ______(you write the unit too)

_____** ^{ oC}** =
______K

Are the values for the Molar Gas Volume Constant:

1 mole** _{ CO2 }**=________L

_{ }

_{ }

1 mole** _{ N2 }**=________L

Reference:

Standard
Temperature: See Section 8.5 page 231

STP: See
Section 10.8 Page 294

Units of
Pressure/Standard Pressure: Section 10.2 See Table 10.1 p282

Molar
Volume Constant: Section 8.5 Pages 230-233 See Table 8.1 page 231

**Module
Six Homework Packet Page 4**

**Module Six Part D Gas Laws 10
points**

__State:__

Boyle’s Law (In words and formula) (See Section 10.4)

Charles Law (in words and formula) (See Section 10.5)

Dalton’s Law of Partial pressures (in words and formula) (See
Section 10.9)

Gay-Lussac’s Law (in words and formula) (See Section 10.6)

Avogadro’s Law (in words and formula) (see
Section 8.5 p 230, Section 9.1 page 250)

Combined Gas Law Equation (write only the equation) (See
Section 10.7):

Ideal Gas Equation (write only the equation) (See Sections
10.10 and 10.11)

Define Vapor Pressure (See Section 10.8):

**Bonus:** Graham’s Law of Diffusion

**Module
Six Homework Packet – Page 5**

**Module Six Part E Gas Law Problems 10 points**

__Boyle’s Law __**(See Section 10.4 and Example 10.3)
(Additional Problems p307-8 #15-20)**

1. A sample of a gas has a volume of 100 mL when measured at 25 ** ^{o}**C
and

760 mmHg. What volume will the gas occupy at 25 ** ^{o}**C and 380 mmHg?

__Charles Law(__**See Section 10.5 and Example 10.4) (Additional Problems p308
#21-26)**

2. The volume of a gas is 100.0 mL
at 27 ** ^{o}**C. At what temperature in degrees Celsius would
the volume of the gas be 200.0 mL, assuming the
pressure remains constant.

__Gay-Lussac’s Law __**(See Section 10.6 and Example 10.5)
(Additional Problems p308 #27-32)**

3. A sample of gas
occupies 100.0 L at 710.0 torre and 27 ** ^{o}**C.
Calculate the pressure in torre if the
temperature is changed to 127

__Dalton’s Law of Partial Pressures __**(See Section
10.4 & Example 10.3) (Additional Problems p307-8 #15-20)**

4. Calculate the dry volume in milliliters of 200 mL of hydrogen gas collected over water at 25 ** ^{o}**C at 760 torre
pressure with the temperature remaining constant. (The partial pressure of water vapor at 25

**Avogadro’s Law
(****See
Pages 230, 250, and 271)**

5. A 1.5 mole sample
of a gas occupies 25.0 L at 758 torre and 27^{o}C.
Calculate the Volume of the gas, if more molecules are injected into the vessel
increasing the moles to 2.5 moles, provided the pressure and the temperature do
not change.

*Combined Gas Laws ***(See Section 10.7 and Example 10.6)
(Additional Problems p308 #33-42)**

6. A100.0 mL sample of air is
collected at 25^{o}C and 774 mmHg. What is the volume at STP?

*Ideal Gas Equation ***(See Section 10.11) (Additional
Problems p308 #63-66)**

7. Calculate the number of moles of nitrogen gas in a 5.00 L
cylinder at 27 ** ^{o}**C and 4 atm pressure. R = 0.0821 L atm/ K
mole )

How much does this volume of gas weigh?

**Module
Six Homework Packet – Page 6**

**Part F Volume-Volume Stoichiometry
5 points**

**(See Section 9.6
and Example 9.8) (Additional Problems p275 #37-48)**

In the Haber process, **nitrogen
N _{2}** and

**Part G Mass-Volume Stoichiometry 5 points**

**(See Section 9.5
and Examples 9.6 and 9.7) (Additional Problems p274-5 #29-36)**

Potassium chlorate is used in the lab to make oxygen gas by
the following (unbalanced) reaction:

** KClO**_{3}** ****à**** KCl + O**_{2}

How liters of oxygen may be made from reacting 1.226 grams of Potassium chlorate?

**Module
Six Homework Packet – Page 7**

**(See Section 8.5
and Example 8.8) (Additional Problems p245 #25-30)**

**Module Six Part H-1 Gas Density Problem 5 points**

Calculate the gas density of *octane
gas***C _{8}H_{18} vapor **at STP?

Calculate the gas density of *octane
gas***C _{8}H_{18} **at

(Hint calculate the volume using
the ideal gas equation)