Review the videos and media and take notes on terms to know. If the terms are not on the media, please Google them in order to get the materials needed to take the test.

Terms to Know:

• The nucleus

• units

• unit conversations

• significant figures

• fundamental laws

• periodic table

Important Questions:

1. When a material fall over a curved surface there is appearance of

2. The maximum steep angel which will not let material slide down slope is called

3. Jagged ridges which are formed due to cutting of several mountains is called

4. When a melting glacier deposit unsorted materials it is called a

5. Streams takes sorted material and deposit it in to a broad area called

6. Sorted and layered glacial deposit due to action of melted water is called

7. A slow movement of rock material downhill is called

8. Rapid movement of huge mass of mud is called as

9. When sediment fall at the front of a glacier it is termed as

10. A kind of deposit which forms ridges along it side is regarded as

11. When loose rocks fall off a steep slope it is called

12. A sudden movement of material like rock and soil down a slope is called as

13. A movement of weathered hill material extremely slow is regarded as

14. Smaller glacial valleys which are joined with main deeper valley are the

15. Lahars are the mud flow of origin that is

**Take exam at https://testmoz.com/class/16400 during class session.

*Hand in ALL work to teacher with test results on the front.

Work should be 5-10 pages when completed for full credit.

Review the videos and media and take notes on terms to know. If the terms are not on the media, please Google them in order to get the materials needed to take the test.

Terms to Know:

• electrons

• stichiometry

• water and solutions

• acid-base reactions

• precipitation reactions

• redox reactions

Important Questions:

1. One of the essential minerals in the human body is salt. How much salt (NaCl) is in the average adult human body?

2. If you fill a glass to the brim with ice water and the ice melts, what will happen?

3. The symbol Sb stands for stibnum or stibnite. What is the modern name of this element?

4. Water-based liquids can be described as acidic, neutral, or basic, with respect to pH. Which of these describes milk?

5. DNA codes for proteins, which are the building blocks of organisms. What is the most abundant protein in the human body?

6. Noble gases are inert because they have completed outer electron shells. Which of these elements isn't a noble gas?

7. What is the most common isotope of hydrogen?

8. You can't live without water! What is its chemical formula?

9. Who is credited with the invention of the modern periodic table?

10. Organic chemistry is the study of the compounds that make up living organisms. All organic molecules contain:

11. The symbol Ag stands for which element?

12. Three of the most common states of matter are solids, liquids, and gases. A liquid has:

13. You can't live without iron. Where in the body is most of the iron located?

14. A mole contains Avogadro's number of items. What is Avogadro's number?

15. What do you call an atom that has more protons than electrons?

16. A drop of food coloring spreading out in a cup of water is an example of which transport process?

17. In a solution of saltwater (a saline solution), salt is the:

18. What Is an Acid?

19. What Are Atoms?

20. What Is the Reactivity Series?

**Take exam at https://testmoz.com/class/16400 during class session.

*Hand in ALL work to teacher with test results on the front.

Work should be 5-10 pages when completed for full credit.

Review the videos and media and take notes on terms to know. If the terms are not on the media, please Google them in order to get the materials needed to take the test.

Terms to Know:

• ideal gas law

• gas problems

• real gases

• vapor pressure

• partial pressures

Important Questions:

1. According to Charles Law, if you have a balloon inside a car at noon during a hot summer day the balloon molecules inside will increase in pressure.

2. In a nitrogen gas occupies has a volume of 500ml at a pressure of 0.971atm.What volumewill the gas occupy at a pressure of 1.50 atm, assuming the temperature remains constant?

3. Not all Gas Law problems have Kelvin (K) as the unit of temperature. They can be expressed in Celsius (°C)and Fahrenheit(°F). So convert 123°C to K.

4. Gas pressure is caused by

5. At a pressure of 5.0 atmospheres, a sample of gas occupies 40. liters. What volume will the same sample occupy at 1.0 atmosphere?

6. As the volume of confined gad decreases at constant temperature, the pressure exerted by the gas ______.

7. A sample of argon has a volume of 0.43 mL at 299K. At what temperature in degrees Celsius will it have a volume of 1 mL.

8. A good example of Charles Law is when a piece of metal expands in the heat...correct?

9. Assuming that the temperature remains constant. How can you increase the pressure of a gas?

10. In a closed container at 1.0 atmosphere, the temperature of a sample of gas is raised from 300 K to 400 K. What will be the final pressure of the gas?

11. At constant pressure and 25 °C a sample of gas occupies 4.5 liters. At what temperature will the gas occupy 9.0 liters?

12. hen a supply of hydrogen gas is held in a 4-liter container at 320 K it exerts a pressure of 800 torrs. The supply is moved to a 2-liter container, and cooled to 160 K. What is the new pressure of the confined gas?

13. Which is Gas Law involved when a balloon pops after being sat on?

14. A small sample of helium gas occupies 6 mL at a temperature of 250 K. At what temperature does the volume expand to 9 mL?

15. Organize the following gasses in order of their rates of diffusion, from slowest to fastestoxygen, O2ammonia, NH3hydrogen, H2carbon dioxide, CO2

A. Hydrogen, oxygen, carbon dioxide, ammonia

B. Oxygen, hydrogen, carbon dioxide, ammonia

C. Hydrogen, ammonia, oxygen, carbon dioxide

D. Hydrogen, oxygen, ammonia, carbon dioxide

E. Carbon dioxide, oxygen, ammonia, hydrogen

**Take exam at https://testmoz.com/class/16400 during class session.

*Hand in ALL work to teacher with test results on the front.

Work should be 5-10 pages when completed for full credit.

Review the videos and media and take notes on terms to know. If the terms are not on the media, please Google them in order to get the materials needed to take the test.

Terms to Know:

• Passing gasses

• energy and chemistry

• enthalpy

• calorimetry

• entropy

Important Questions:

1. Which of the following does not represent an increase in entropy?

Possible Answers:

Melting of mercury

Boiling water

Condensation of water on glass

NaCl dissolving in water

Sublimation of CO₂

_2. Which of the following reactions represents a negative change in entropy?

Possible Answers:

Sublimation of dry ice

None of these represent a negative change in entropy

Ice melting

Salt dissolving

Water heating

3. Which of the following scenarios describes a process with a negative entropy change?

Possible Answers:

Osmosis

An igloo melting

A clean room becomes cluttered

Building a skyscraper

4.

N2(g) ΔSf=191.5J

O2(g) ΔSf=205J

NO ΔSf=210.7J

What is the change in entropy for the following reaction?

N2(g)+O2(g)→2NO

5.

NO(g) ΔSf=210.7J

O2(g) ΔSf=205J

NO2 ΔSf=240J

What is the change in entropy for the following reaction?

NO(g)+O2(g)→NO2

6.

NO2 ΔSf=240J

O2(g) ΔSf=205J

N2(g) ΔSf=191.5J

What is the change in entropy for the following reaction?

N2(g)+O2(g)→NO2

7.

Mg ΔSf=32.7J

O2 ΔSf=205J

MgO ΔSf=26.9J

What is the change in entropy for the following reaction?

2Mg+O2→2MgO

8.

C4H10 ΔSf=310J

O2 ΔSf=205J

CO2 ΔSf=213.6J

H2O ΔSf=69.9J

What is the change in entropy for the following equation?

C4H10+O2→CO2+H2O

9.

A ΔSf=−10J

B ΔSf=+15J

C ΔSf=−75J

D ΔSf=−45J

What is the entropy for the following reaction?

A+B→C+D

10. A reaction will reach equilibrium when the system's entropy __________.

11.

Consider the following reaction: N2 (g) + 3H2(g) > 2NH 3(g)

Below is a list of the standard entropy of formation for the compounds in the reaction:

ΔSN2=191.49JmolK

ΔSH2=130.59JmolK

ΔSNH3=192.5JmolK

What is the entropy of the reaction when one mole of ammonia is formed?

12. The statement of the Second Law of Thermodynamics is

13. The Trouton’s rule states that

14. Compound with negative Gibbs energies of formations are said to be

15. The thermodynamic condition of equilibrium is given by equation

**Take exam at https://testmoz.com/class/16400 during class session.

*Hand in ALL work to teacher with test results on the front.

Work should be 5-10 pages when completed for full credit.

Review the videos and media and take notes on terms to know. If the terms are not on the media, please Google them in order to get the materials needed to take the test.

Terms to Know:

• chemical bonds

• polar

• non-polar

• bonding models

• Lewis structures

• orbitals

• equilibrium

Important Questions:

1. Which atomic orbitals are used in the C-C p-bond of ethylene?

2. Orbitals hybridize because:

(a) they can form more stable bonds due to greater orbital overlap.

(b) hybrid orbitals are spatially further apart from each other, reducing repulsive interactions between electrons. (

c) antibonding interactions are eliminated when hybrid orbitals form bonds.

(d) all of the above

(e) (a) and (b) only

3. The rate of a reaction is dependent upon:

(a) Keq

(b) D G°

(c) D G¹

(d) all the above

(e) none of the above

4. The barrier to a chair-chair interconversion of cyclohexane is 45 KJ/mol. What conformation of cyclohexane corresponds to this barrier?

(a) chair

(b) boat

(c) twist-boat

(d) half chair

(e) envelope

5. The rotational barrier about the C1-C2 bond of 1-chloropropane is 18 KJ/mol. From this we can reason that:

(a) a -CH3/-Cl eclipsing interaction is worth 18 KJ/mol

(b) a -CH3/-Cl eclipsing interaction is worth 10 KJ/mol

(c) a -H/-Cl eclipsing interaction is worth 6 KJ/mol

(d) all of the above

(e) none of the above

6. The pKa of acetic acid is 4.75. The D G° for the dissociation of acetic acid at 300 °K is:

(a) 3.90 KJ/mol

(b) 27.3 KJ/mol

(c) -27.3 KJ/mol

(d) -11.8 KJ/mol

(e) 11.8 KJ/mol

7. Which of the following is not a Lewis acid?

(a) H+

(b) AlCl3

(c) (H3C)3N

(d) H3C+

(e) (a)-

(d) are all Lewis acids

8. What is the hybridization around the beryllium atom in \text{BeF}_2BeF2​B, e, F, start subscript, 2, end subscript?

9. What is the hybridization around the nitrogen atom in 3NH3​?

10. What is the hybridization around the boron atom in 3BF3​?

11. -15. Please read the Periodic Table above and do the following for questions 11-15:

Name of Element

Type (Solid, Liquid, Gas, etc.)

Atomic Mass

Symbol

**Take exam at https://testmoz.com/class/16400 during class session.

*Hand in ALL work to teacher with test results on the front.

Work should be 5-10 pages when completed for full credit.