Give the names for the following compounds: NaCl AgNO3 BaCrO4 Ca(OH)2 ZnCO3 Na2SO4 Al2O3 CdBr2 KNO2 Fe(NO3)3 (NH4)3PO4 KClO3 MgS Cu2C2O4
You were recently hired as an occupational safety and health consultant for Gemstone Fabricators, a medium-sized manufacturing facility that makes stainless steel counters, containers, and carts for the food prep and restaurant industries. Several years ago, Gemstone decided it wanted to become an Occupational Safety and Health Adminstration (OSHA) Voluntary Protection Program (VPP) site. […]
(111) A hypothetical element xylo(symbol Xy) forms four different compounds with another hypothetical elemnent phone(symbol Ph). Using the old nomenclature, write the empirical formula for each compound. (a) xylo monophonide (b) dixylo triphonide (c) dixylo tetraphonide (d) xylo diphonide (112) Using the formulas from question 111, dtermine the oxidation values for Xy and Ph […]
1. A concentrated phosphoric acid solution is 85.5% H3PO4 by mass and has a density of 1.69 g/mL at 25°C. What is the molarity of H3PO4? What is the mole fraction of urea, CO(NH2)2, in a solution prepared by dissolving 5.6 g of urea in 30.1 g of methanol, CH3OH? How will an understanding of this […]
Lab 01: Coffee Problem Purpose of Experiment: To perform specific heat calculations and check those calculations using the virtual lab example. Deliverables: A screenshot of the correct answer and all calculations and explanations Instructions: For this lab assignment, you will need to read the instructions for the Metals Density Problem on the ChemCollective website. […]
The goal of your Signature Assignment is to show that you can compute properties of solutions and analyze and interpret data. You will create a PowerPoint presentation that shows the process of going through an acid/base titration like you would if you were in a physical lab. For the presentation: You will prepare a sample […]
8 to 12 pages The following is an outline of the minimum points to be covered in your paper – Country/Area Topics: These are minimum guidelines – you may expand the topics covered in your papers. 1) Begin your paper with a brief analysis of the following elements: a. Country analysis i. Introduction to the […]
How vitamins and minerals/trace elements affect health/human body ? Determine chemical names and/or chemical formula for diatomic or simple polyatomic compounds and draw a Lewis structure, construct a molecular geometry and determine the polarity for a covalent compound. (This is what he is looking for in the paper).
EXPERIMENT 9: Caloric Content of Food Read the entire experiment and organize time, materials, and work space before beginning. Remember to review the safety sections and wear goggles when appropriate. Objectives: To measure the energy content of various food items, and To become familiar with energy units like calories and joules. Materials: Student […]
You are the project manager of an environmental company that was hired to cleanup a historical arsenic contamination site. Soil sampling results indicated the area impacted with arsenic above action levels is 30 feet by 55 feet. The depth of the arsenic plume is three feet below ground surface. The land owner wanted to clean […]
