CHEM 120 Week 1,,2,3,4,6,7 discussion

CHEM 120 Week # 2 DQ 1 – Chemical Names (graded) Sulfates, sulfites, nitrates, nitrites—how does one keep all of these similar but different names straight? Let’s begin this discussion by talking about the naming of different compounds. Why would it be important to make sure that you know whi...

CHEM-120 Week # 2 DQ 2 – Chemical Structures (graded) 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. To begin this discus...

CHEM 120 Week # 3 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 b...

CHEM-120 Week # 3 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 ...

CHEM 120 Week # 4 DQ 1 – Gases (graded) Matter exists in three different states: solid, liquid, and gas. Depending upon its physical properties, matter will be found in one of these states at ambient temperature and pressure. Describe a situation where a substance changed between the solid and li...

CHEM-120 Week # 4 DQ 2 – Acids and Bases (graded) While we often do not realize it, acidic and basic solutions are a part of our daily lives. Describe an example of when you have used an acidic or basic solution in your home. Let’s see how many different examples we can describe.

CHEM 120 Week # 6 DQ 1 – Polymers (graded) What do you have in your home that is constructed from a synthetic polymer? Identify the type of polymer and its monomer. List THREE examples each

CHEM-120 Week # 6 DQ 2 – Nuclear Chemistry and Energy (graded) Radiation can be found in different forms. Electromagnetic radiation is something that we use every day. Ionizing radiation can cause damage to living tissue. Take a look around you. Describe an example of a way in which you are impact...

CHEM 120 Week # 7 DQ 1 – Carbohydrate, Lipid, and Protein Structures (graded) Carbohydrates, lipids, and proteins! Take a look around your home. Describe an example of a carbohydrate, lipid, and/or protein found in your home. Let’s see how many different examples can be described.

CHEM-120 Week # 7 DQ 2 – Nucleic Acid Structure and Flow of Genetic Information (graded) In the news, we often hear examples of how DNA or the transfer of genetic information impacted someone’s life. Examples range from DNA fingerprinting to genetically engineered organisms to an individual with...