Devry CHEM120 Week 3 Discussion Latest 2019 September

Question # 00604566
Course Code : CHEM120
Subject: Chemistry
Due on: 09/07/2019
Posted On: 09/07/2019 11:08 AM
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CHEM120 Introduction to General Organic & Biological Chemistry with Lab

Week 3 Discussion

Solution Chemistry

Required Resources

Read/review the following resources for this activity:

Textbook: Chapter 5, 6, 11

Unit 3 lesson

Initial Post Instructions

For your initial post pick a combination of one of the following molecules, one mass quantity, and one total solution volume from this table. You may not use the same combination as another student so be sure to read any existing peers postings before posting your own.

Molecule

Mass

Volume

NaCl

2 g

150 ml

CaBr2

6 g

3 L

Li3N

1 g

500 ml

CaO

7 g

14 L

For example, one possible combination would be 2 grams of NaCl in 500 ml of solution. Then, give each of the following for your unique combination being sure to show all of your work:

undefined%mass/volume concentration

undefinedMolarity

undefinedOsmolarity

Make sure to post at least three high quality posts.

Follow-Up Post Instructions

Respond to at least two peers or one peer and the instructor. Further the dialogue by providing more information and clarification.

Follow-up topics:

If a peer made a mistake in the initial post reply to your peer and walk us through how to correct the mistake, showing all work.Reply to one of peers initial posts and use the dilution equation to prepare a more dilute solution. You may choose the final dilution that you are aiming for, just be sure that your chosen concentration is less than the initial concentration in your peers posting. Show all work and walk us through each step of how you would prepare this solution from your peer's solution in a lab setting.

Find an example of an important chemical reaction used in industry or clinical setting and do each the following. Note, you cannot choose the same reaction as a peer.

Explain the significance of the reaction you chose. This will require research so be sure to cite all sources used in APA format.

State the reaction without the use of any coefficients so that a peer can balance the chemical reaction your discussed

Balance a peers chemical equation by following the steps below:

Determine the number of atoms for each compounds in the reactants.

Determine the number of atoms for each compounds in the products.

Balance the chemical reaction, showing all work.

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 Lewis structure. Pick an element from the periodic table of elements. Identify the valence electrons and the orbitals in which they reside. You can use the textbook and lecture.

How many unpaired electrons are present?

How many covalent bonds could this element make?

Could this element participate in a double or triple bond? Why or why not?

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Devry CHEM120 Week 3 Discussion Latest 2019 September

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