Prof. Daylen Elosegui
PHI 1600: Ethics
18 June 2016
For many, many years animal testing has contributed to treatments and cures to save
lives. Many people think that animal testing is cruel and inhumane, but maybe
Equilibrium and Concentration
A sealed flask initially contains pure nitrogen dioxide gas (NO2). Over time, the nitrogen dioxide
forms dinitrogen tetroxide gas(N2O4). The graph below shows the relative amounts of (NO2) and (N2O4) over
time. What is tru
Assessment Questions : Ion Bonds
What ion will be formed by the selenium atom shown below when it has a stable
set of valence electrons?
Explanation: Selenium has 6 valence electrons. It needs 2
more valence electrons to fill its outermost energy level
Assessment Questions (5): Chemical Equations
1. Which set of diagrams shows a balanced chemical equation?
A. Diagram A
B. Diagram B
C. Diagram C
D. Diagram D
Explanation: In answer C, each side contains 4 atoms of hydrogen (H), 2 atoms of
Quiz # 5
Calculations and Trial Keq
Consider the following equilibrium: N2(g) + O2(g) 2NO(g) Keq = 0.010
Initially, a 1.0 L container is filled with 0.40 mol of N 2, 0.10 mol of O2 and
0.080 mol of NO.
As the system approaches equil
STUDY GUIDE FOR MID TERM
1. Identify the correct complete and balanced equation for the following reactants:
C4H10O(l) + O2(g, limiting)
C4H10O(l) + 6 O2(g) 4 CO2(g) + 5 H2O(g)
2 C4H10O(l) + 13 O2(g) 12 CO2(g) + 14 H2O(g)
Vocabulary: Ionic Bonds
Chemical family a vertical column in the periodic table of elements.
Electron affinity the tendency of an atom to attract electrons.
Electron affinity is a measure of the energy required to remove an electron from
Assessment Questions: Balancing Chemical
What coefficients would balance the following equation?
_Al + _O2
A. 2Al + 3O2
B. 2Al + 3O2
C. 3Al + 3O2
D. 4Al + 3O2
Explanation: In answer D, both sides of
Ionic & Covalent Bonds: Student Answer Sheet
Prior Knowledge Questions
1. Sketch an oxygen atom in the space below. Be
2. Atoms create bonds with other atoms so that they
sure to label and draw the correct number of
can have comple
Vocabulary: Chemical Equations
Avogadros number the number of atoms or molecules in a mole of a substance.
Chemical equation a symbolic representation of a chemical reaction.
In a chemical equation, reactants are shown on the left, and prod
Vocabulary: Balancing Chemical Equations
Coefficient a number that multiplies a term in an equation.
Combination a chemical reaction in which two or more reactants form a single product.
Combination reactions are also called synthesis react
Vocabulary: Covalent Bonds
Covalent bond a chemical bond in which atoms share a pair of valence electrons.
Covalent bonds form between nonmetal atoms.
Diatomic molecule a molecule that consists of two atoms.
Examples of diatomic molecules i
2.1 Change 5445 minutes to seconds (s).
2.2 Calculate the time required to travel 15.0 miles at 60.0 miles per hour (mph).
2.3 DOES NOT EXIST.
2.4 A) Which weighs more, a pound of bricks or a pound of lead?
2.4 b) Which weighs more, a po
Solubility and Temperature
Assessment Questions (5):
You begin pouring sodium chloride into a glass of water. For a long time, the sodium chloride just
dissolves in the water, but suddenly it begins to pile up at the bottom of the glass. Which statemen
According to the Stray Pet Advocacy Organization, several veterinarian
associations including, the American Veterinary Medical Association (AVMA), the Cat
Fanciers Association (CFA), American Animal Hospital Association, and American
For this dialogue reflection essay, I decided to focus on a specific aspect of
surveillance technology- the use of unmanned aerial vehicle (UAV) technology to
photograph or videotape events or people. I interviewed my roommate, Vera, on this topic
A solution has a volume of 2.0 L and contains 36.0 g of glucose. If it molar mass is 180
g/mol, what is the molarities of the solution?
How many milliliters of a solution 4.00 M of KI are need to prepare 250 mL of 0.760 M
What volume will b