Devry CHEM 120 Week 3 Discussion dq 1& dq 2 Latest

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Devry CHEM 120 Week 3 Discussion dq 1& dq 2 Latest

dq 1

Chemical Reactions and Equations (graded)

Understanding chemical reactions and the information that is available in a balanced chemical reaction is an important concept in chemistry. By working with a variety of problems, one will become comfortable with the concepts and be able to apply these concepts. The first concept that we will discuss is balancing chemical reactions.

Look at the Self-Assessment Questions on page 129 in your textbook.

To begin, pick either question I, II, III, or IV from problem 1.

  1. Determine the number of atoms for each element in the reactants.
  2. Determine the number of atoms for each element in the products.
  3. Given this determination, is the reaction balanced?
  4. If the reaction is not balanced, what is the balanced chemical reaction?

dq 2

Molarity and Solution Calculations (graded)

Professionals in a scientific laboratory and in the healthcare field need to accurately prepare solutions for a number of reasons.

If you wear contacts, you probably use a saline solution to rinse your contacts.

  • What solutions do you use at work? How would you calculate the amount of solute to the solvent to prepare this solution?
  • If you do not wear contacts but you use or make cleaning solutions for your housework, how would you accurately prepare solutions to clean?
  • What solutions do you use that use percent concentration?

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Devry CHEM 120 Week 3 Discussion dq 1& dq 2 Latest

Best Devry CHEM 120 Week 3 Discussion dq 1& dq 2 Latest
Devry CHEM 120 Week 3 Discussion dq 1& dq 2 Latest

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