“Where they went wrong” assignment Science has at times really gone off on the wrong track. In this assignment you will look at one of these occurrences and try to analyze what went wrong. You may think of another possible “wrong” than the list below. Some wrong theories resulted from several errors. List of possible […]
Chemistry Questions 7.31 What is the difference between a 5% (m/m) glucose solution and a 5% (m/v) glucose solution? 7.33 Calculate the mass percent (m/m) for the solute in each of the following solutions: 25 g of KCl and 125 g of H2O 12 g of sugar in 225 g of tea solution with sugar […]
ASSIGNMENT What mass of Al is required to produce 500g of AlCl3? SHOW ALL STAGES OF WORKING!! 2Al(s) + 3Cl2(g) -> 2AlCl3(s) explain how to do it as well.
Discussion Board Molecule: CaO Mass: 7g Volume: 14L For the above combination, give each of the following: 1 %mass/volume concentration Molarity Osmolarity
The Chemistry of Food Preparation for Lab Read the lab procedure and answer the embedded questions. You may need to consult your textbook as well as the supplementary materials posted on Canvas. Note that you will not be turning in the embedded questions as part of your lab write-up. Instead, use these embedded questions to […]
Atmospheric Pressure, Boyle’s and Charles’ Gay-Lussac’s, Avogadro’s Law assignment Write a paper discussing on atmospheric pressure, Boyle’s and Charles’ Gay-Lussac’s, Avogadro’s Law.
Discussion board Choose a molecule used in healthcare, industry, or found in a natural source and discuss the importance of this molecule. The electron configuration of an atom determines the number of electrons available to participate in bonding with another atom. One method of depicting the valence electrons that an atom has is through the […]
Absorption and gas stripping It is desired to absorb 90% of the acetone in a gas containing 1.0 mol % acetone in air in a counter current stage tower. The total inlet gas flow to the tower is 30.0 kg mol/h, and the total inlet pure water flow to be used to absorb the acetone […]
Questions (Show Work) What is the density of a 30.00-g object that is immersed in a graduated cylinder whose water volume rises from 30.0 mL to 40.1 mL? A flask that weighs 280.5 g is filled with 150.0 mL of NaCI solution. The total weight of the flask and NaCI solution is found to be […]
Essay Assignment Choose a scientific paper written in the last year. For your chosen paper, look into the study and discuss how the scientific method was used in this paper. Be sure to note they hypothesis, variables, results, etc. Discuss if you find this paper as a trustworthy source and why.