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Chemistry - Labs and Exercise
Other On-Line Resources: Labs and Demonstrations
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- Aqueous Solution Reactions NEW!
Purpose: To determine the concentration and % (m/v) of vinegar.
- Acid/Base Titration NEW!
Purpose: To observe the formation of precipitates by the mixing of different combinations of aqueous solutions. To write ionic and net ionic equations for each combination of solutions that forms a precipitate.
- The Clock Reaction NEW!
Purpose: An investigation on how concentration of reactants, temperature, and the addition of a catalyst affect the speed of a reaction.
- Colorimetry NEW!
Purpose: To observe the proportional relationship between solution concentration and absorbance (Beer's Law). To determine the concentration of an unknown CuSO4 solution.
- Conditions that Affect the Rate of Solvation NEW!
Purpose: To observe the time required to dissolve copper sulphate under different conditions.
- Determination of pH NEW!
Purpose: One can mathematically determine a value of pOH and pH if the concentration of M(OH) is precisely known.
- Determining the Formula of a Hydrate NEW!
Purpose: To determine the formula by decomposing a hydrate by heating.
- Dilution of a Solution NEW!
Purpose: To dilute the 0.200 M solution of copper sulphate prepared in a previous lab.
- Ester Synthesis NEW!
Purpose: To prepare the following two esters: pentyl acetate (banana oil) and acetylsalicylic acid (aspirin).
- Heat Capacity of a Calorimeter NEW!
Purpose: To determine the heat capacity of a Calorimeter (Ccal).
- Heat of Reaction NEW!
Purpose: Use the Law of Conservation of Energy and the First Law of Thermodynamics to calculate the heat involved in an acid-base reaction.
- Heat of Reaction for the Combustion of Magnesium (Hess's Law) NEW!
Purpose: Use Hess's law to determine the heat for the reaction that is difficult to measure directly.
- Preparation of a Standard Solution NEW!
Purpose: To prepare 100.0 mL of a 0.200M standard solution of copper sulphate.
- Preparing a Stock Solution/Performing Dilutions NEW!
Purpose: To prepare a Stock Solution. To perform dilutions of a Stock Solution. To observe the proportional relationship between solution concentration and specific gravity. To determine the concentration of an unknown NaCl solution.
- Solubility Factors NEW!
Purpose: To study a factor affecting solubility. To study some of the factors affecting the rate of dissolution.
- Solubility of Ammonium Chloride NEW!
Purpose: To show how the solubility of a salt such as ammonium chloride varies with the temperature and how to plot its solubility curve on the basis of observed data.
- Solubility-Product Constant for Ba(OH)2 NEW!
Purpose: The purpose of this lab is to calculate the Ksp value for Ba(OH)2.
- Structure and Nomenclature of Organic Compounds 1 NEW!
Purpose: To draw the structures of and name aliphatic hydrocarbons.
- Structure and Nomenclature of Organic Compounds 2 NEW!
Purpose: To draw the structures of and name aliphatic, cyclic, and aromatic hydrocarbons.
- A Single Replacement Reaction
Purpose: To conduct a single replacement reaction, make careful measurements, find a mole ratio, and calculate a percent error.
- Activity Series
Purpose: To observe single replacement reactions; To draw up an activity series for five metals.
- Atomic Mass
Purpose: To better understand that most elements exist as a mixture of isotopes; To determine the atomic mass of the element "soupmix."
- Chemical Reactions
Purpose: The purpose of this lab is to review nomenclature, balancing equations, reaction types, predicting products, and the evidence for chemical change. You will also learn to identify precipitates by using a solubility table.
- Empirical Formula Determination
Purpose: To determine the empirical formula of a compound containing zinc and chlorine.
- Formula of a Hydrate
Purpose: To determine the formula of a hydrate.
- Identifying Elements Using Flame Tests
Purpose: To observe the flame colours of known chemical samples; To determine the elements present in unknown samples using their flame colours.
- Making Chemical Products
Purpose: To gain experience in basic laboratory techniques and safety; To prepare chemical substances and observe their properties.
- Molar Volume of a Gas
Purpose: To use some Gas Laws to measure the amount of moles of gas produced; To relate moles gas produced to moles reactant used (stoichiometry) and balance an equation.
- Rutherford's Experiment
Purpose: The purpose of this of this exercise is to simulate Rutherford's alpha-scattering experiment.
- Stoichiometry (Limiting Reagent)
Purpose: To determine the limiting reagent of the reaction between sodium carbonate and copper (II) chloride.
- Stoichiometry (Mass Relationship of Chemical Change)
Purpose: To determine the mass ratio between reactants and products. To determine the coefficients of a chemical equation.
- The Mole
Purpose: The purpose of this exercise is to practice calculating the mole.
- The Percentage of Oxygen in Potassium Chlorate
Purpose: To determine the percentage composition of oxygen in potassium chlorate.
- The Periodic Law
Purpose: To determine the densities of certain group 4 elements. To predict the density of germanium using the Periodic Law.