EXPERIMENT 4: Separation of a Mixture of Solids Read the entire experiment and organize time, materials, and work space before beginning. Remember to review the safety sections and wear goggles when appropriate. Objective: To become familiar with the separation of mixtures of solids. Materials: Student Provides: Distilled water 2 Coffee […]
DIRECTIONS : PLEASE CAREFULLY READ ALL QUESTIONS AND ANSWER ALL QUESTIONS. OUTLINES ARE ATTACHED TO THIS POST AS A REFERENCE DUE TODAY: @ 6:00PM EASTERN STANDARD TIME 1.) The equilibrium constant of an uncatalyzed reaction Keq is 0.5. If an enzyme having a Km of 0.01M and Vmax of 0.1 umoles/min is used to catalyze […]
Hi, I just need you to write one part of the report, which are (Procedure) ONLY, this procedure has 2 parts one for NH4Cl (Amoniuim Chloride) and one for CaCl2 (Calcium Chloride). So What I did in lab, we used the (Balance) for measuring both elements with certin amount in grams. we measured 2.42g of NH4Cl, […]
Topic: UV light – discovery and current applications Students must complete at least three page paper on a topic of their choice from the material covered in Lab. It should… include your name and a topic title. be 3 pages, 12 pt font, double spaced. must explain how topic is discovered, developed, and applied….not a […]
Students will complete a Course Research Paper on a topic of their choice from the material covered in this course. TOPIC: Infrared Light – Origin and Uses over the years It should be … a double spaced, three page paper with one inch margins, 12pt font and name on the top. The report is worth […]
question 4.1.6 :- a liquid adhesive consists of polymer dissolved in a solvent. the amount of polymer in the solution is important to the application. an adhesive dealer receives an order for 3000 Ib of an adhesive solution containing 13% polymer by weight. on hand are 500 Ib of 10% solution and very large quantities […]
Chemistry 113 Practice Exam 4 Spring 2016 Directions on actual Exam: The exam consists of 2 sections (Chemical Bonding and Geometry and IMFs. Each multiple choice question is worth 4.33 points. You are allowed to use a scientific (nonprogrammable) calculator, periodic table, and VSEPR Theory Table. Useful information: ΔH°rxn = […]
Purifying Acetanilide by Recrystallization 1. The solubility of benzoic acid in water is 6.80 g per 100 mL at 100°C and 0.34 g per 100 mL at 25°C. Show your calculations for the questions below. (a) Calculate the minimum volume of water needed to dissolve 1.00 g of benzoic acid at 100°C. (b) […]
pre-lab Questions 1. Write a balanced equation for the precipitation of calcium carbonate from potassium carbonate and calcium chloride.2. Using this balanced equation, determine the limiting reactant if 15 grams of calcium chloride was reacted with 15 grams of potassium carbonate. experiment 1: gravimetric analysis with calcium chloride and potassium carbonate Data Sheet Table […]
Draw the conjugate base for the following acid. Remember to include charges and non-bonding electrons where necessary.HCâ¡ CH
