Page 23 - Demo
P. 23
“Your Safer Source for Science” Classic Experiments for General Chemistry
Classic Experiments for General Chemistry
Flinn’s collection of 22 classic experiments for general chemistry is a comprehensive laboratory curriculum. The experiments cover founda- tional topics, such as stoichiometry, acid–base titrations, qualitative analysis and empirical formula determination as well as more advanced topics, such as electrochemistry, thermodynamics, ester synthesis, kinetics and coordination chemistry. Incorporate the experiment(s) into an existing curriculum or adopt the entire set as a new laboratory curriculum for any size program. Purchase one kit for smaller lab sections (<24 students) or multiple kits for larger enrollments. All kits include instructor’s notes and digital access to student procedures as well as the neces- sary chemicals, prepared solutions and custom supplies needed to carry out the experiment. The instructor’s notes provide real sample data, tips for running experiments successfully and answers to all pre-lab, lab and post-lab questions.
21
Classic Experiments for General Chemistry
Acid–Base Titrations—Laboratory Kit
By: The Flinn Staff
In this three-part laboratory, a basic solution is first standardized against a known solid acid (KHP). This standardized base solution is then titrated against an unknown acid solution to determine the acid solution’s molarity. In the third part, the Ka of the solid acid KHP is calculated from the data of the titration curve obtained from plotting the pH of the solution versus the volume of sodium hydroxide solution added. The lab provides the recommended familiarity with the process of titration using indicators and pH meters.
Complete for 24 students working in pairs.
An Activity Series—Laboratory Kit
By: The Flinn Staff
Students study a series of metals and nonmetals to determine their rela- tive reactivity, then rank them according to their reactivity in an activity series. First, the reactivity of the metals is determined by reacting a series of metals with metal salt solutions. Then, the reactivity of the halogens is determined by reacting each of the halogens with a halide solution. Based on the observed reactivity in each case, students develop a separate activity series for the metals and the halogens. Students understand why some metals can “replace” other metals, and why some redox reactions are spontaneous while others require a battery. Students also learn that the reactivity for the halogens is opposite that for the other families in the periodic table.
Complete for 24 students working in pairs.
Analysis of Aluminum Potassium Sulfate— Laboratory Kit
By: The Flinn Staff
Students analyze aluminum potassium sulfate (alum) using three tech- niques to determine its exact composition. The following properties are determined—melting point, the moles of hydrated water per mole of alum, and the percent sulfate in the compound. Each of these deter- minations is compared to the literature or calculated values for alum. Students will gain valuable experience with the analytical process and techniques of gravimetric determinations.
Complete for 24 students working in pairs.
Acid–Base Titrations—Laboratory Kit AP7944
Catalog No.
Description
Price/Each
AP7944
Acid–Base Titrations—Laboratory Kit
$37.45
An Activity Series—Laboratory Kit AP7984
Catalog No.
Description
Price/Each
AP7984
An Activity Series—Laboratory Kit General
$77.20
Catalog No.
Description
Price/Each
AP7946
Analysis of Aluminum Potassium Sulfate—Laboratory Kit
$32.95
CLASSIC EXPERIMENTS FOR GENERAL CHEMISTRY continued on next page.
Analysis of Aluminum Potassium Sulfate—Laboratory Kit AP7946