Lab 8B-FAME, Analysis of Fats and Oils Author: Jose Caraveo TA: Spencer Anthony Chem 243 B Section: 006 October 20, 2008
Abstract: This weeks lab dealt with determining the identity of unknown oils. In this case, unknown oil #3 was found to be corn
By: Parker Ashbaugh Partner: Bryan Redsun 8/27/07 TA: TJ Black
Chem 104b Sec 09
Abstract: First the absorbance of a stock dye solution and its four dilutions were measured. The measurements were plotted on a linear graph. The
Synthesis of Zinc Iodide Lab
Eddie Autz Chem 104A Section 47 Joel Nyberg 9/07/06
Chem 104A Introduction: The object of the experiment entitled Synthesis of Zinc Iodide is to confirm the law of constant composition and to practice making m
Synthesis of Zinc Iodide Jessica Edwards Chem 104 Section 30 Performed: 9/4/2007 Submitted: 9/11/2007
The objective of the experiment was to determine the formula of zinc iodide and properly figure out the percent yield of zinc and iodine.
Gas Behavior Lab
Parker Ashbaugh T.A. Yisheng Xu 4/19/07 Lab 104A Sec 45
Introduction In this lab we are to use a real gas with the help of the Ideal Gas Law to determine Rydberg's constant, R. The Ideal Gas Law states: PV= nRT, where P is
Isolation of Limonene from Citrus Fruits Introduction In this experiment, limonene will be isolated from the peel of oranges. The limonene extracted will then be analyzed using Gas Chromatography (GC), InfraRed Spectrometry (IR), and by measuring it
Synthesis of Zinc Iodide Lab
Parker Ashbaugh Chem 104A Section 47 Mike Spinner 2/7/06
I. Introduction The objectives for this lab are to react iodine with an excess of zinc to make zinc iodide, measure the amounts reacted, isolate and weigh the prod
CHEMISTRY 103A, Sections 7-10 Problem Set 11: 20 Points Answer Key
The first four problems deal with the phase diagram below:
1. At which point are three phases coexisting in equilibrium? (a) G (b) D (c) B (d) H This is C, the triple point 2. What p
CHEMISTRY 103A, Sections 7-10 Problem Set 10: 10 Points Due Date: Midnight, Friday, November 9, 2007 ENTER YOUR ANSWERS ON THE D2L WEB SITE http:/d2l.arizona.edu
H H F H F H C C C C N F
Problem 1(a). In the Lewis structure shown above <FNC is 60o 90
Chemistry 103A Exam 1 Form A Answer Key
1. (2) The correct name for P3- is (a) potassium(III) ion (b) phosphoric ion (c) phosphide ion (d) potassium-3(e) none of these
2. (2) Ammonia (NH3) will react with fluorine to produce N2F4 and HF according t
Chemistry 103A Study Outline for Final Examination July 10, 2003
The final (the mother of all examinations) is worth 100 points. Around 25-35 points will deal with material covered since the third exam. The rest will deal with the topics covered on exams
CHEMISTRY 103A, Sections 7-10 Problem Set 9: 14 Points Answer Key
Problem 1. What is <FSF in SF3+ ?
F F S
AB3E case. 109.5 degrees Problem 2. What is <ONO in N2O3?
O O N N O
AB3 case. 120 degrees Problem 3. What is <NSF in NSF?
CHEMISTRY 103A, Sections 7-10 Problem Set 8: 14 Points Answer Key
Problem 1. Chlorate ion Problem 2.
O Cl O
SF3+ + F
3 bonds, 10 unshared Problem 3. Sulfur trioxide, SO3 O S O
13 pairs: 3 shared, 10 unshared Sulfite ion, SO
CHEMISTRY 103A, Sections 7-10 Problem Set 7: 13 Points Answer Key
Problem 1. A monatomic ion (one atom) has 49 electrons. The electric charge of the ion is -4 of which element is this an ion? tellurium palladium rhodium ruthenium niobium Problem 2. 1
CHEMISTRY 103A, Sections 7-10 Problem Set 6: 13 Points Answer Key
Problems 1a-1g. (seven points) Much of these problems centers on the quantity of heat q absorbed by 325 mL of water (roughly one cup) when it warms from 24.0 C to 95.0 C. As you undoub
CHEMISTRY 103A, Sections 7-10 Problem Set 5 17 Points Answer Key
Problem 1 (eight points) A lot of windbaggery is flooding the media these days about alternative fuels, especially ethanol made from corn. This problem deals with calculating the amount
CHEMISTRY 103A, Sections 7-10 Problem Set 4: 17 Points Answer Key
Problem 1. (seven points) This problem concerns a compound with the molecular formula C3F8. (a) What is the simplest formula of this compound?
(b) How many moles of carbon are in
CHEMISTRY 103A, Sections 7-10 Problem Set 3: 12 Points Answer Key
Problems 1-7 deal with a molecular compound, the structural formula of which is shown below.
H H H N N C C C Br Br H H H C C C C H H H F
Problem 1. What is the molecular formula
CHEMISTRY 103A, Sections 7-10 Problem Set 2: 12 Points Answer Key
Problem 1. What is the weight in grams of one mole of calcium (Ca)? Use the 4 sig fig value in your textbook for the atomic weight.
Problem 2. What is the weight in grams of o
Chemistry 103A Exam 1 Form B Answer Key
1. (2) A 1.00 mol sample of the molecular compound sulfur dioxide (SO2) (a) is 64.0 g of SO2 (b) is 6.02 x 1023 SO2 molecules (c) has the same number of molecules as 16.0 g of methane (CH4) (d) has 1.81 x 1024
Chemistry 103A Exam 1 Form C Answer Key
1. (2) The chemical symbol for copper(II) ion is (a) 2Co+ 2. (2) The name of the ionic compound Ca3P2 is (a) calcium biphosphorus 3. (2) Find the mass in grams os 8.00 x 1024 methane (CH4) molecules. (a) 213
Chemistry 103A Exam 1 Form D Answer Key.
1. (2) A 1.00 mol sample of the molecular compound sulfur trioxide (SO3) (a) is 80.0 g of SO3 (b) is 6.02 x 1023 SO3 molecules (c) has the same number of molecules as 16.0 g of methane (CH4) (d) has 1.81 x 102
Chemistry 103A Study Outline for Examination IV July 7, 2003
Examination IV will cover material from Chapters 8 (Covalent Bonding) and Chapter 9 (Molecular Structures). The exam will run for 55 minutes, and you will need a calculator. The emphasis will be
Chemistry 103A Study Outline for Examination III June 25, 2003
Examination III will cover material from Chapters 6 (energy and chemical reactions), Chapter 7 (electron configurations and the periodic table), and part of Chapter 8 (covalent bonding). The e
Paired electrons repel other pairs. Two Groups: Linear (CO2) Three Groups: Trigonal Planar (BF3) / Bent (SO2) Four Groups: Tetrahedron (CH4) / Pyramidal (NH3) / Bent (H2O) Five Groups: Trigonal Bipyramid (PF5) / See-Saw (SF4) / T-Shaped (ClF3) / Linear (X
Wavelength () = Distance per cycle Frequency (f) = Cycles per second Long = Low frequency Short = High frequency High Amplitude = Brighter Low Amplitude = Dimmer E (Energy) = h (Planks constant) f (Frequency) E=hf V (Velocity) = f (Frequency) (Wavelength)
Valence electrons Ionic vs covalent bonding Drawing Lewis Dot structures Weso's structural rules Flaws of the Lewis Method Resonance;electron deficient cmpds expanded octets; odd electron cmpds, molecular oxygen Tools bond order, bond po
Chapter 7 Light and orbitals (whole chapter) Emphasis on quantum, orbitals, some basic light You draw orbital shapes in 2D Chapter 8 Why the periodic table (whole chapter) Write the configuration of any atom, emphasis on first 36 Know first row transition
WELCOME to the UNIVERSITY OF ARIZONA FUNDAMENTALS OF CHEMISTRY CHEM 103A
Meet Dr. Wesolowski Our Class the syllabus Where to get help Studying chemistry- modeling Thinking styles/ the mind and learning Careers Basics of Chemistry properties,