1. List any pure elements that are found in the food. Check this against a periodic table to ensure that you are correctly identifying these. 2. Identify any ionic compounds […]
Chemistry questions
Chemistry questions
Section 1: What are the similarities and differences among silicates, nonmetals and halogens? Section 2: What are the structural and the condensed structural formulas for n-octane, C8H18? What are […]
Chemistry questions
Ibuprofen (C13H18O2) is the active ingredient in many nonprescription pain relievers. Each tablet contains 200 mg of ibuprofen, and a typical adult dose is two tablets every six hours.Determine the […]
Chemistry questions
Ferric chloride (FeCl3) is going to be used as a coagulant in a water treatment plant at a dosage of 40 mg/L. To avoid consumption of alkalinity and changes in […]
Chemistry questions
How many grams of glucose are needed to prepare 455 mL of a 1.2 %(m/v) glucose solution? How many milliliters of a 15.2 % (m/v) NaCl solution would contain 34.8 […]
Chemistry questions
It takes 242. kJ/mol to break a chlorine-chlorine single bond. Calculate the maximum wavelength of light for which a chlorine-chlorine single bond could be broken by absorbing a single photon. […]