Category Archives: CHM 109

CHM 109 Assignment 5-1 Boyle’s Law- Pressure and Volume recent

CHM 109 Assignment 5-1 Boyle’s Law- Pressure and Volume recent

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CHM 109 Assignment 5-1 Boyle’s Law- Pressure and Volume recent

CHM 109 Assignment 6-3 Concepts in Acid-Base Titrations recent

CHM 109 Assignment 6-3 Concepts in Acid-Base Titrations recent

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CHM 109 Assignment 6-3 Concepts in Acid-Base Titrations recent

 

CHM 109 Assignment Boiling Point Elevation Lab recent

CHM 109 Assignment Boiling Point Elevation Lab recent

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CHM 109 Assignment Boiling Point Elevation Lab recent

 

CHM 109 Individual Assignment Lab 2-4 Worksheet Precipitation Reactions recent

CHM 109 Individual Assignment Lab 2-4 Worksheet Precipitation Reactions recent

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CHM 109 Individual Assignment Lab 2-4 Worksheet Precipitation Reactions recent

CHM 109 Individual Assignment Lab 6-2 Ranking Salt Solutions by pH recent

CHM 109 Individual Assignment Lab 6-2 Ranking Salt Solutions by pH recent

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CHM 109 Individual Assignment Lab 6-2 Ranking Salt Solutions by pH recent

 

CHM 109 Week 1 Individual Assignment Green Chemistry Paper recent

CHM 109 Week 1 Individual Assignment Green Chemistry Paper recent

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CHM 109 Week 1 Individual Assignment Green Chemistry Paper recent

 

CHM 109 Week 2 Individual Assignment Text Exercises recent

CHM 109 Week 2 Individual Assignment Text Exercises recent

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CHM 109 Week 2 Individual Assignment Text Exercises recent

CHM 109 Week 3 Individual Assignment Atoms, Molecules, and Elements Paper recent

CHM 109 Week 3 Individual Assignment Atoms, Molecules, and Elements Paper recent

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CHM 109 Week 3 Individual Assignment Atoms, Molecules, and Elements Paper recent

 

CHM 109 Week 4 Exercises recent

CHM 109 Week 4 Exercises recent

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CHM 109 Week 4 Exercises recent

Week 4 Exercises

Prepare written answers to the following exercises:

1. Imagine that you are an environmental scientist. Working in collaboration with a university chemist, you were able to determine from mass spectrometry that four elements exist in your soil samples. They are Se, Sn, Pb, and Cd.

You need to determine which elements will most likely combine with oxygen to produce oxides that are present in your sample. To do so, refer to the periodic table to determine the electron configuration and ionization energy of each element. This will show the number of valence electrons for each element.

2. Imagine that, as an employee of a pharmaceutical company, you are working on an H-K-ATPase. It is the enzyme that pumps acid into the stomach to help in digestion. You are trying to determine whether a compound will fit inside the pocket of this enzyme in order to inhibit the enzyme. To do so, you must know the molecular shape of the compound.

Draw the Lewis structure and determine the molecular geometry of the following compounds that may fit into the active site of this enzyme:

3. Imagine that you work as a chemist in a battery manufacturing plant. You are asked to try a variety of substances that can be used to generate an ion potential necessary to produce electricity. Ionic compounds produce ions that can generate an ion potential when placed in an aqueous solution.

Name the various compounds in the following table and label them as ionic or molecular:

CHM 109 Week 4 Individual Assignment Text Exercises recent

CHM 109 Week 4 Individual Assignment Text Exercises recent

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CHM 109 Week 4 Individual Assignment Text Exercises recent