Interpreting Evidence (page 44 numbers 1 and 3).
1. An interesting further use of the data set for Weighing Air is to extrapolate the line to
-14.7 psi. What do you think you will see?
I think that if the pressure is -14.7psi, the mass will be low as well
Chemistry and Society Lab
Investigation 9 review and Investigation 10 pre-lab
1. Using the molar masses you calculated from your investigation results, rank the
following gases from lowest to highest molar mass: oxyg
Inverse of Time vs. Pressure of Acetaldehyde
Pressure of Acetaldehyde, torr
Inverse of TImes, 1/sec
f(x) = 6.5591733829904E-006x + 0.002763812
R = 0.9999478356
CALORIMETRY AND HESS
Four reactions in this experiment were tested using a calorimeter to determine
temperature changes which help to determine the enthalpy of each reaction that was
performed. This ex
EXPERIMENT 9: CHEMICAL
REACTIONS OF COPPER AND
Initial copper turnings
Filter paper, watch glass and
EXPERIMENT 3: SEPARATING COMPONENTS OF
Chemicals & Equipment:
Bunsen burner and hose
25mL graduated cylinder
Various beaker sizes
Glass stirring rod
Stoichiometry is the quantitative study of reactants and products in a chemical reaction.
In this experiment, four reactions will be used to be able to understand the relationships
EXPERIMENT 10: REDOX
TITRATION OF IRON
Weighing vial, lid and
(Unknown ID: 229)
EXPERIMENT 8: CHEMICAL
REACTIONS AND EQUATIONS
Reacting Magnesium with Hydrochloric Acid
Magnesium and Hydrochloric acid yield Magnesium Chloride and
Mg (s) + HCl (aq
EXPERIMENT 6: INTERACTION
OF LIGHT AND SOLUTIONS
In this experiment, the colorimeter will be used to determine the concentration of an
unknown solution. The most important concept in this lab is to understand the relat
EXPERIMENT 5: TWO LAWS
OF CHEMICAL COMBINATION
EXPERIMENT 4: GAS
Chromatography is used to separate the different components in a mixture. These
separations are carried out in tubular columns of glass that are packed w/ a porous inert solid.
Experiment 12: Precipitation and Thermodynamics
Predicted results of whether a precipitate formed with the following cation/anion reactions
Net Ionic Equation
Chapter 8 Worksheet
1. Name the molecule below, including any stereochemistry. Draw the
product(s) of an SN2 reaction with this and I- as the nucleophile. Now draw the
product(s) of an SN1 reaction with the original molecule and I- as the
Work and Energy Practice Questions
1. Calculate the work done in each of the scenarios below.
a) A person uses 1.00 x 102 N to move a 15.0 kg object 5.0 m along the floor
at a constant speed.
b) 1.00 x 102 N of force is used at an angle of 30.0o to the ho
Report Questions Experiment 7 Polymers
1. Some monomers polymerize to produce a polymer having centers of chirality. If there is no preference
for one configuration over another, the configuration of the centers will be random throug
Momentum Practice Questions
1. Find the momentum of a .
A. 60.0 kg person moving east at 9.0 m/s.
B. 1.0 x 103 kg car moving north at 20.0 m/s.
C. 4 x 101 kg person moving south at 2.0 m/s.
2. A car has 2.0 x 105 units of momentum. What would be the car's
Rotational Kinematics Guided Reading
Chapter 8, pages 206 to 214, Sections 8.1 through 8.3
1. What is the axis of rotation? The center of all circular paths defined by a single, straight line.
2. Define angular displacement (use the simpler definition, no
Prelab Experiment 8 Introduction to NMR
1. Define, explain, or give an example of the following:
a. Tetramethylsilane (TMS) as an internal standard (1 pt)
b. () delta-scale (1 pt)
c. Upfield shift (1 pt)
d. n + 1 rule (1 pt)
Sn1 or Sn2 Reactions?
STEP 1: THE STRUCTURE OF THE SUBSTRATE
Remember: the structure of the substrate is a very important consideration in determining if a reaction occurs by
an Sn1 or Sn2 mechanism.
What is the structure of the substrate? Determine this.
An almost perfect citation of a journal article looks like this:
Waterhouse, Jim. (2012). Daily Rhythms of the sleep-wake cycle. Journal of Physiological
The correct way to cite this journal article looks like this:
Experiment 9: Determination of Acid Dissociation Constant
Determination of sample size of unknown acid:
Mass of weighing vial and
Mass of unknown
Initial volume of solution in
Final volume of so