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 impacted by radia...

CHEM 120 Final Exam Questions and Answers Question: (TCO 8) 35.0 mL of 0.25 M NaOH is neutralized by 23.6 mL of an HCl solution. The molarity of the HCl solution is (show your work): Question: (TCO 1) How many mL are in 3.5 pints? Show your work. Question: (TCO 3) What is the name of the following compound: Zn3P2? Question: (TCO 3) What is the name of the following compound: AgNO3? Question: (TCO 6) Calculate the pressure, in atmospheres, of 2.78 mol CO(g) in a 4.25 L tank at 51 degrees C. Que...

CHEM 120 Midterm Exam Study Guide Designing an Experiment Units and density Isotopes Identifying ionic and covalent molecules Electron configuration Lewis structures Converting moles and grams StoichiometryConcentration (Molarity, m/v%) Boyle, Charles, Avogadro and contributions to the Ideal Gas LawIdeal gas law Acids/bases Buffers Redox reactions

CHEM 120 Final Exam Practice Questions and Answers CHEM 120 Final Exam Practice Questions 1. Question: (TCO 12) The DNA double helix is _____. (Pts. : 5) made up of two polynucleotide strands composed of adenine and thymine a puzzle to geneticists composed of adenine and guanine composed of two chromosomes 2. Question: (TCO 12) Which of the following best describes the action of enzymes in living systems? A specific enzyme generally catalyzes (Pts. :...

CHEM 120 Unit 8 Final Exam (Version 2)Chamberlain College of Nursing 1. Question (TCO 4) The shape of a carbon dioxide molecule is _____. 2. Question (TCO 4) Which of the following substances does not have polar covalent bonds? 3. Question (TCO 8) According to the Bronsted-Lowry definition, which chemical in the following reaction is the acid? 4. Question (TCO 8) According to the Bronsted-Lowry definition, which chemical in the following reaction is the base? 5. Question (TCO 12) Which nucleic a...

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 a genetic disease. In each of these scenarios, the structure of nucleic acids and the flow of genetic information through mRNA to protein are involved. Describe an example of the how the structure ...

CHEM 120 Week # 1 DQ 1 – Scientific Method and Calculations-CHEM 120 Week # 1 DQ 1 – Scientific Method and Calculations Let’s explore the scientific method. Here is the situation: We are planting a garden. We have a variety of bulbs and potted plants. We do not have any directions on how or when to plant each of these items. We do not have any gardening books, magazines, or access to the Internet (Oh, the horror!). We need to observe a number of characteristics for these plants

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 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.

CHEM 120 Final Exam Review 2020 1. Know what is the atomic number, atomic mass, protons, neutrons and electrons 2. Describe the shapes of molecules H2S, CBr4, and PCl3 3. Calculating types of bonding (ionic, covalent, nonpolar covalent) 4. Non – polar covalent bonds and polar covalent bonds and electron sharing 5. Know the structure and makeup of DNA and RNA, know what DNA replication, transcription and translation are and ribosomes role in protein synthesis. 6. Know what a protein is, its m...