How to get maximum efficiency from your Meltemp apparatus
The Meltemp apparatus is the small piece of equipment you have been using to determine melting and
boiling points. We have two models in the lab - one has a black body and the other has a gray body
REAC 712 Dehydrating Cyclohexanol
Additional Post-Laboratory Question: The reaction in this experiment is the reverse of the
hydration of cyclohexene to form cyclohexanol. Both reactions are acid catalyzed. How does the
use of the Hickman still favor the
Experimental Variations REAC 714
Studying SN1 and SN2 Reactions: Nucleophilic Substitution at Saturated Carbon
1. This experiment is conducted in pairs. We suggest that one member of the pair
work on the SN2 1-bromobutane synthesis while the other person
What exactly is accomplished when conducting Thin Layer Chromatography (TLC)?
Well, it works like this:
The Plate The Stationary Phase
The TLC plate is covered with a thin layer (hence the name)
of silica gel. Silica gel looks like this
For simplicity, yo
TECH 703 Purifying Acetanilide by Recrystallization
Final Report Sheet
This experiment is one of several techniques experiments that are completed in the first
semester of the Organic Laboratory Course.
Calculating Retention Factors (Rf) for Thin Layer Chromatography
Upon the development and viewing of a TLC plate, the starting point and solvent front
(the level the solvent reached when the plate was removed from the developing tank) are
marked and all s
TECH 703 - Purifying Acetanilide by Recrystallization
1. In Step 1, you will not use a sand bath to heat the test tubes. Instead, you will use
an aluminum heating block (provided).
2. In Step 5, after you have filtered the acetanilide crystals, dry the cr
Summary of Air pollution may lead to dementia in older women
This science journal form University of Southern California told us that tiny air
pollution particles, called PM 2.5 may greatly increase the chance of dementia,
including Alzheimers disea
Summary of Trump to undo Vehicle Rules That Curb Global Warming
The news told us that, Trumps new administration is to cancel the Mr. Obamas
most significant environmental legacies, and it is expected to begin rolling back
stringent federal regulations on
Summary of Shutters Last Coal Plant
The news released by Forbes which said that Beijing closed the last coal plant to
protect the air environment. The government shut down the Huangneng Beijing
Thermal Power plant, which was first brought on line in 1999.
Chapter 3: Global Climate Change
What is global warming?
Is there really cause for alarm?
Can anything be done about it?
How can we assess the information from the politicians or
Earths Average Temperature
Expected average temperature is:
Summary of Remember the Ozone Hole? Now Theres Proof Its Healing.
The author, Arron Sidder, said Scientists find evidence that the hole is finally
shrinking, thanks to the phasing out harmful chemicals 30 years ago. According the
article from national geo
Chapter 7: The Fires of Nuclear Fission
What is nuclear energy?
What is nuclear fission?
Is using nuclear energy
safe for humans and the
Is electricity generated from
nuclear energy better to use
than electricity generated from
Chapter 1(8th edition)
1. Chemistry and matter.
2. States of matter: Solids, Liquids, and gases.
3. Classification of matter into elements, compounds, homogeneous mixtures and
4. Elements and the Periodic Table:
Chapter 2 / 8th edition
Atomic structure and Periodicity
- Subatomic particles: electron, proton, and neutron
- Model for atom: nucleus and electron shells
- Atomic number, mass number, and identity of an atom
- Electron distributi
Pre lab assignment for Experiment # 8: Lewis Structures and Molecular Shapes
What is the purpose of experiment 8?
Write a brief overview of the experiment.
What is octet rule and why is it important?
What is a covalent bond? What
Pre lab assignment for Exp. 1: Analyzing Gases in Our Breath
What is the purpose of this experiment?
Write a brief overview of the experiment.
What is in the air you breathe?
Which gases are important to sustain life?
Experiment 19: Impact of Acid Rain: Prelab assignment
1. What is the objective of experiment 19?
In this experiment we will look at the reaction of three acids
(hydrochloric acid, sulfuric acid, and nitric acid) and we will see
that not all acids have th
Lab 8 Post Lab
1. The shapes we predicted compared to the geometries determined by the model as they
were the same for all of our molecules.
2. Tetrahedral is a molecule with four domains, meaning it will have four parts attached to
Prelab Assignment Experiment #30: Measuring Fat in Potato Chips
1. What is the objective of the experiment?
We will be performing an extraction to measure the amounts of fat in foods that are a
common part of our modern diet.
2. Write a brief overview of
Lab 1: Post Lab
1. In order to generate carbon dioxide, we combined sodium bicarbonate with a
small amount of 6M HCl into a sealed plastic bag and as we set it to the side it
partially filled with gas. In order to generate oxygen, we co
Verifying Molar Ratios: Post Lab
1. My investigation results agree with the balanced equation which predicted a 1:1
ratio between Salt and Sodium Bicarbonate. We got a .998: 1 ratio which is very
close to the predicted ratio. Our cl
Pre-lab assignment: Exothermic & Endothermic Reactions & Factors Affecting Reaction
1. What is the purpose of this experiment?
The purpose of this experiment is to look at endothermic and exothermic reactions
and what factors will either speed up or
Greenhouse gases are gas that absorb Infrared radiation thereby increasing the greenhouse effect.
Example of greenhouse gases include methane, carbon dioxide and water vapor.
Example that illustrate my term: My exampl
Term: Conservation Biology
Definition: Conservation biology is the scientific study that deals with how organisms and the biological
diversity of living things can be conserved and protected.
My example is about a short video on conservation bio
Dates From To
Summarize your key responsibilities, leadership, and most
stellar accomplishments. Dont list everything; keep it
relevant and include data that shows the impact you
August 22, Mon. - August 24, Wed.
PS H - 361
August 29, Mon. - August 31, Wed.
Measurements of a table
PS H - 361
Sept. 5, Mon. - Sept. 7, Wed.
No Lab / Labor Day
Sept. 12, Mon. - Sept. 14, Wed.
Some Initial Definitions.
Chemistry is the branch of science dealing with the study of matter and the changes that it undergoes.
energy changes accompanying transformations
Length of solid:
Height of solid:
Width of solid:
Volume about Vertical Axis:
Volume about horizontal axis:
Radius, r(x) is distance between rectangle and axis of revolution
Height, h(x) is the height or length of rectangle