CHEM 1331 REVIEW
QUESTIONS CHAPTERS 3 AND 4
Lewis Dot Structures and Peripherals
An acceptable Lewis dot structure for N2O is
Which molecule contains one unshared pair of valence e
According to the first law of thermodynamics, the energy of the universe is constant. Does this mean that AE is always equal to zero?
Selected Answer: 0 B. No, AE never equals zero because energy is always flowing between the system an
A reaction, equation shown below, consumes 5.0 g of A and 6.0 g of B. How many total grams of C and D should be obtained?
1A+3B a 2C+4D
Selected Answer: 0 b. 11
Correct Answer: 0 b. 11
An iron-56 nucleus contains
Selected Answer: 0 e
Which of the following is n_ot planar?
Selected Answer: 0 c. PCI3
Correct Answer: a c. PCI3
Using the following electronegativity values:
C 2.5 CI 3.0
H 2.1 O 3.5
select from the following group the molecule(s) that best fit(s) the g
A reaction, equation shown below, consumes 5.0 g of A and 6.0 g of B. How many
total grams of C and D should be obtained?
e Not enough information is given to answer this
If 200.0 g of zinc sulfide contains 134.2 g of zinc, how many grams of
sulfur can be obtained from 1.18 kg of zinc sulfide?
a 388 g S
b 79.2 g
d 196 g S
792 g S
An 56Fe2+ ion contains
a 28 pro
Review Test Submission: MT1zP 2015FA-13905-CHEM1331-.
1 out of 1 points
What is the name of the element with the symbol Cr?
1 out of 1 points
An atom of the isotope chlori
Review Test Submission: Midterm_Exam_1z 2015FA-13905-.
Which of the following statements is/are CORRECT?
Atoms are the smallest particles of an element that retain the element's chemical properties.
Substances composed of only
Welcome to CHEM 1331!
PA test information
Ahead of the first lecture, we want you to be aware of the placement test (PA) that you are
required to take before or during the first week of class. The test will gauge your knowledge
of the math and chemistry i
Name: Charline Ngweh_
1. Why are you interested in personal care services?
_the reason why I am interested in personal care service is because I put others needs
before mine, I am passionate in
ADHD in Children: To
Medicate or Not to
treatments for ADHD in
children have not
beenapproved by the
Food and Drug
should not be thefirst
Why People Go Mad
Insanity and Mental Illness
Insanity is a legal term
Mental Disorder is a Medical term
Why Do People Go Mad?
Cognitive-Beliefs and Attitudes
A sample of ethane, C2H6 is found to contain 3.00 x 1022 atoms of H. How many molecules of C2H6 are present?
Calculate the molar mass of menthol, C10H20O.
20.0 g Na2CO3 has how many moles of Na+\
Chapter 5 Rational Expressions
5.1 Simplifying Rational Expressions
Definitions and General Properties of
Rational Numbers and Rational Expressions
A rational number can be written as a quotient of two
integers, in the form
Concept Mapping: Cellular Structure, Function, and Organization
I can compare and contrast the cell structure of prokaryotic and eukaryotic cells.
I can compare and contrast the cell structure plant and animal cells.
I can relate the
1. Which of the following is the SI unit of volume?
2. Which of the following is a compound?
d. All the 4 substances are compounds
3. Which of the following measurements has 3 signi
number and email
Office Location and
Stafford Campus Learning Hub 303.11
A History of the World in 6 Glasses Reading Questions
Chapters 5/6 - Spirits
1. What is the origin of distilled spirits?
2. What is the connection between spirits and colonization?
3. How was the production of spirits connected to slavery?
4. What role di
Group Activity for macromolecules
Describe and categorize the chemical composition of the various foods.
Explain the function these chemicals carry out in human body
What type of molecules provide you with energy
Determine how usefu
Identify the spectator ions in the reaction Ca(NO3)2 + 2NaCl(aq) CaCl2(aq) +
Na+, NO3b. Ca+2, NO3c. Na+, Cld. Ca+2, Cle. Na+, Cl-, Ca+2, NO3Question 2
What is the oxidation number of N in NH4+
A fixed amount of gas occupies a volume of 7.25 L at a pressure of 4.52 atm. What will be the
volume occupied if the pressure is decreased to 1.21 atm at constant temperature?
Calculate the density of Cl2 at 27 C and 600 torr.
1. What is the name of the compound with the formula CoSO4?
2. Which of the following is an ionic compound?
XeF4, CCl4, SiCl4, SnCl4,
3. What is the formula of silver bicarbonate?
4. What is the name of the compound with the formula P2O3?
5. Name the foll
English 2 PAP
19 May 2014
When most people first meet a person they sometimes already have distinct feeling towards
that person without really knowing what they are like. If you see someone wearing