Chemistry 121 General Chemistry I
Mon., Wed. 5:30 6:50
Dr. Pamela D. Twigg
Monday & Wednesday 1:00-2:30, or by appointment. This
time is not intended to be used as
Resistor Color Codes
Enter Resistor Value: 4396498
Closest Standard Resistor:
Amino Acids and Proteins
1. Describe the primary structure of a protein.
2. Describe the secondary structure of a protein.
3. Describe tertiary structure of a protein.
4. Describe quaternary structure of a protein.
Complete the following reactions. Name the reactants and products and give
the molecular formula for each.
H+ & Heat
H+ & Heat
CH2=CH-CH(F)-CH3 + H2O
H+ & Heat
CH3-CH2-CH2-CH2(OH) + (HO)CH2-
1. Draw a cartoon to demonstrate the two models for enzyme-substrate interaction.
Lock and Key
2. Given the list of different types of enzymes, provide the function.
Naming Alkanes Part 1
Name the following branched alkanes:
Alkanes Part 2
Draw the line formula for the following molecules and classify them as primary, secondary, tertiary or
1. Circle the functional group in each of the following and identify whether they are alkene or alkyne:
2. Give the IUPAC name for each of the following:
3. Draw an alkene (condensed structural formulas) for each of the following.
4. For each of the follo
Organic chemistry is the study of carbon-based compounds.
- may include H, N, O, S, P, F, Cl, Br, I
- Table 12.1 details properties of Organic and Inorganic Compounds (look at table
- Alkanes are hydro
Alcohols, Ethers and Thiols, Aldehydes, Ketones, Hemiacetal and Acetals
Look up videos for hydrogen bonding of alcohols and ethers.
Alcohols are H-bond donors and acceptors, but ethers are only H-bond acceptors.
Alcohols H-bond to water and other alcohols
Carboxylic Acids and Esters
Acids donate hydrogens to water and produce an anion. (HCl)
- strong acids completely dissociate.
- Weak acids dissociate very little
Acid + Base = Salt + water
- the carboxyl group is a hydroxyl directly attac
Alcohols and Ethers
1) Draw a few water molecules and demonstrate hydrogen bonding between
2) Draw two ether molecules of your choice. Can ethers hydrogen bond to one
3) Name the ethers you drew in problem number 3 and give their molecular
ALKENES AND ALKYNES WORKSHEET
1. Draw structures for the following:
(b) 3 methyl-1-pentyne
(c) 2,3 dimethyl-2-butene
(d) 2 methyl-2-hexene
2. Name the following structures.
1. A system initially has an internal energy E of 501 J. It undergoes a process during
which it releases 111 J of heat energy to the surroundings, and does work of 222 J.
What is the final energy of the system, in J?
A) 168 J
B) 390 J
C) 612 J
D) 834 J
Practice Exam 2, CH121-01 (Chapters 3-5)
1. Calculate the molar mass of Ca(BO2)26H2O.
A) 273.87 g/mol
B) 233.79 g/mol
C) 183.79 g/mol
2. Which of the following samples contains the greatest total number atoms?
A) 50.0 g of
Chapter 5 Gases and the Kinetic-Molecular Theory
5.1 An Overview of the Physical States of Matter
Under appropriate conditions of pressure and temperature most substances
can exist as.
Gas conforms to the container
shape and fills the entire
General Chemistry Practice Exam
1. Which Electron Configuration is impossible?
2. The number of neutrons in the 3717Cl- ion is
3. An argon atom is isoelectric with
General Chemistry Practice Final PASS Guide
1. Atomic structure, 18: B
2. Atomic structure, 4: B
3. Atomic structure, 5: C
4. Atomic structure, 9: A
5. Stoichiometry, 10: D
6. Descriptive chemistry/periodicity, 22: A
7. Descriptive chemistry/Periodicity,
If you compare the standards women were held to one hundred years ago to our modern-day,
you, unfortunately, find more similarities instead of progress. For generations, women are
always fighting against a double standard idea. Women are allowed only to t
1?.A substance composed of two or more elements in a fixed, definite proportion is
Ba homogenous mixture
D)a heterogenous mixtlrre
18.Daltons Atomic Theory states
A)that an atom is predominantly empty space
9.A student performs an experiment to determine the density of a sugar solution. She
obtains the following results: 1.79 gme, 1.81 gme, 1.80 gme, 1.81 g/mL. If the actual
value for the density of the sugar solution is 1.80 3/ mL, which statement below bes
Practice Exam 1
1.All statements about scientific theories are 1rue except
A)They should use observations to test the theory
BThey explain why nature behaves the way it does
C)They are speculation
D)They must have the ability to make predictions on future
& Electrical Work
Electron transfer reactions
Electrons are transferred from one substance to
Originally only combustion of fuels or reactions
of metals with oxygen were
CH 101-01 Exam 1. Spring 2016
Multiple Choice Problems: Choose the one alternative that best completes the statement or answers the question.
(34 questions 3 points each). This exam has 102 points. Your score is the number of correct answers x 3.
General Chemistry I
MWF 10:20 - 11:15
Instructor: Dr. Kendall Byler
E-mail: [email protected]
Office hours: Tuesday & Thursday 9:00 12:00
Office: MSB 223
Course goals: This course is the first in a two-semester sequence in general ch
CH 123 Exam 1
Study online at quizlet.com/_1xniu1
What is a solution?
A homogenous mixture that exists as
a single phase
What is a colloid?
A heterogeneous mixture that exists
as two or more phases
What is a solute?
Dissolves in a solvent
CH 123 Exam 2
Study online at quizlet.com/_20o6q8
How does the Arrhenius acidbase definition classify acids
It classifies them by the
behavior in water, it was the
Why isn't HF a strong
It is so tiny that it forms
CH 123 Exam 3
Study online at quizlet.com/_24cq0l
What happens to
electrons in electron
Electrons are transferred from one
substance to another
Why are electron
often called redox
To emphasize that r
Chapter 14 Solutions
You dissolve 1.0 mol of urea (H2N-CO-NH2) in 270 g of water. What is the mole fraction of urea?
3.7 x 10-3
You dissolve 92.0 grams of CH3CH2OH, ethanol, in 270 g of water. What is the