Introduction

• Chem 1M and 1N Introductory Information
  • Laboratory Make-up and Switch Policies
    
    Please do not miss a lab...
  • Introduction
    
    Welcome to the general chemistry laboratory series...
  • General Information
    
    Instructor: Randa Roland, Ph.D.,...
  • Enrollment
    
    If you are already enrolled by the first day of class, you have a spot in the lab as long as you are on time to your first lab meeting (late/absent students will be dropped from the lab)...
  • Fee
    
    "Consumable" laboratory supplies will be billed to each lab student...
  • General Chemistry Laboratory
    
    Science requires experimentation...
  • Your Responsibilities
    
    Please come on time...
  • Grading
    
    Performing all the experiments and turning in all reports is a prerequisite for passing the course...
  • What To Expect From Your TA
    
    Your TA is responsible for your safety and the safety of all people in the lab at all times...
  • Notice On Physical Disabilities And Laboratory Hazards
    
    The Chemistry Department is committed to providing access to its laboratory courses to all qualified students...
  • Notice on Sexual Harassment
    
    UCSC is committed to making this campus a comfortable, safe place for you to work and learn, regardless of your race, religion, culture, sex, or sexual orientation...
• Science Skills
  • Science Skills
    
    Although there are many practices central to science and engineering, including:...
• General Lab Safety and Housekeeping
  • Safety
    
    Safety is of utmost importance in the labs...
  • Safety Rules
    
    Please note — if you are not appropriately attired or you behave in an unsafe manner, you will be asked to leave...
  • Housekeeping Rules
    
    Clean up after yourself, even though you may be very tired...
• Lab Locker Equipment
  • Checking into the Lab
    
    Once you have a confirmed space in the lab you may check in to your locker...
  • Checking out of the lab
    
    You must check out of your locker when you are done with the class...
  • Locker Reference Lists
    
    Beaker, Bottle Weighing, Bottle, Wash, Brush...
• How To Use The Glassware
  • Cleaning and Drying Glassware
    
    Determine how much time you spend cleaning a piece of glassware by thinking about its use...
• How To Use Instruments
  • Analytical Balance
    
    The object to weigh must be clean and dry on the bottom, and it must be at or near room temperature...
  • The Barometer
    
    The barometer is the instrument with which people read atmospheric pressure...
  • Bunsen Burner
    
    Check the rubber tubing on your burner for cracks and possible leaks...
  • pH Meter
    
    One of the common measurements in a chemistry lab is of the pH of a solution using the pH meter...
  • Hydrogen and Helium Emission Lamps
    
    Please do not leave the lamps on for the entire lab period...
  • Use of the Spec 20 Spectrometer
    
    A spectrophotometer is an instrument used to measure the light absorption (transmittance)....
  • Calipers (Vernier Scale)
    
    A vernier scale is a device that permits accurately making a reading that lies part way between two values on an instrument such as a barometer or a set of calipers...
  • Use of the Voltmeter
    
    Never immerse the clips at the ends of the leads in any solution...
• How to Transfer Chemicals
  • Solids
    
    It is usually easier to transfer solids to a wide mouthed container such as a beaker...
  • Liquid Transfer
    
    Take an appropriately sized, labeled beaker to the reagent shelf...
• Data Analysis
  • Introduction to Data Analysis
    
    Data analysis requires interpretation of results and comparison to relevant theories (or theoretical values)...
  • Uncertainties in Data and Results
    
    Science is interested in repeatable phenomena and in properties that can be measured both qualitatively and quantitatively...
  • Significant Figures
    
    Counted and defined quantities are exact and therefore have an infinite number of significant figures...
  • Significant Figures in Calculations
    
    You must determine how many significant figures to include when performing a calculation...
  • Mean and Standard Deviation
    
    To overcome the effects of random error, an experiment is usually repeated...
  • Relative Error and Percent Error
    
    When an average and standard deviation are used...
  • Error Propagation
    
    Many times, results are used to calculate the value of some other quantity...
  • Making and Interpreting Graphs
    
    Graphs, which show how one variable depends on another, are of great value when determining how different properties affect each other...
  • Plots of Nonlinear Relationships
    
    Sometimes the experimental theory suggests that your plot not be so simple as just p against T...
• Preparing for the Experiment
  • Introduction
    
    The prelab assignment is designed to prepare you for the experiment...
• Sample Report
  • Introduction
    
    You must share the results of your experiment...
  • Report Guidelines
    
    When you write your report, be thorough but concise — long isn't necessarily good....
  • Report Examples
    
    A report requires the submission of a copy of your lab notebook from the experiment, which should clearly show your procedure and all the data you collected...
• Example Abstacts for a General Chemistry Lab
  • Title
    
    Gravimetric Determination of the Solubility Product Constant for Lead (II) Chloride, PbCl₂
  • Introduction
    
    In this experiment, the equilibrium exhibited by slightly soluble ionic compounds in water is explored...
  • Abstract
    
    Rate the following abstracts from 1 to 5...
• Significant Figures
  • Significant Figures in Calculations
    
    Values cannot become more precise by mathematical manipulation...
  • Significant Figures in Experiments
    
    A measured quantity is usually reported as the value and its associated uncertainty...
  • Mathematical Manipulations of Data and Error Propagation
    
    For calculations involving the addition, subtraction, multiplication, and division of two numbers...

Laboratories

• Lab 1 - Density: Methods of Measurement and Applications
  • Lab 1 - Density: Methods of Measurement and Applications
• Lab 2 - Determination of the Empirical Formula of Magnesium Oxide
  • Lab 2 - Determination of the Empirical Formula of Magnesium Oxide
• Lab 3 - Calorimetry: Heat Capacities, Enthalpies of Phase Transitions and Chemical Reactions, and Hess's Law
  • Lab 3 - Calorimetry: Heat Capacities, Enthalpies of Phase Transitions and Chemical Reactions, and Hess's Law
• Lab 4 - Determination of the Amount of Acid Neutralized by an Antacid Tablet by Back Titration
  • Lab 4 - Determination of the Amount of Acid Neutralized by an Antacid Tablet by Back Titration
• Lab 5 - Characterization of an Unknown Acid
  • Lab 5 - Characterization of an Unknown Acid
• Lab 6 - Quantum States for the Visible Hydrogen Atomic Emission Spectrum and the Rydberg Equation
  • Lab 6 - Quantum States for the Visible Hydrogen Atomic Emission Spectrum and the Rydberg Equation
• Lab 7 - Molar Mass of an Unknown Organic Solid by Freezing Point Depression
  • Lab 7 - Molar Mass of an Unknown Organic Solid by Freezing Point Depression
• Lab 8 - Acids, Bases, Salts, and Buffers
  • Lab 8 - Acids, Bases, Salts, and Buffers
• Lab 9 - Determination of the Allura Red Concentration in a Sports Drink or Other Commercial Product
  • Lab 9 - Determination of the Allura Red Concentration in a Sports Drink or Other Commercial Product
• Lab 10 - Solubility Product Constant, K_sp, for Calcium Hydroxide by Acid-Base Titration
  • Lab 10 - Solubility Product Constant, K_sp, for Calcium Hydroxide by Acid-Base Titration
• Lab 11 - Spectroscopic Determination of an Equilibrium Constant
  • Lab 11 - Spectroscopic Determination of an Equilibrium Constant
• Lab 12 - Rate Properties of an Iodide Oxidation Reaction (an "Iodine Clock" Reaction)
  • Lab 12 - Rate Properties of an Iodide Oxidation Reaction (an "Iodine Clock" Reaction)
• Lab 13 - Electrochemistry and the Nernst Equation
  • Lab 13 - Electrochemistry and the Nernst Equation
• Lab 14 - Determination of the Amount of Ascorbic Acid (Vitamin C) in a Commercial Product by Redox Titration
  • Lab 14 - Determination of the Amount of Ascorbic Acid (Vitamin C) in a Commercial Product by Redox Titration
• Lab 15 - Thermodynamics and Spontaneity: Enthalpy, Entropy, and Free Energy
  • Lab 15 - Thermodynamics and Spontaneity: Enthalpy, Entropy, and Free Energy
• Lab 16 - Equilibrium and Le Châtelier's Principle
  • Lab 16 - Equilibrium and Le Châtelier's Principle
• Lab 17 - Spectroscopic Determination of an Equilibrium Constant
  • Lab 17 - Spectroscopic Determination of an Equilibrium Constant

Copyright © 2011 Advanced Instructional Systems, Inc. and the University of California, Santa Cruz | Credits