Chem120 week 6 - Study guides, Class notes & Summaries

Initial Post Instructions The Discussions in this course are set up deepen your understanding of the material as you make real world connections and employ creative thinking. To get the most from these discussions, full engagement is expected on the part of the student. Be sure to stop by the discussion section frequently, not only to post, but to read the postings of your peers and instructor. Engaging with your peers and learning together is key to this experience. For your initial post, choo...

Initial Post Instructions The Discussions in this course are set up deepen your understanding of the material as you make real world connections and employ creative thinking. To get the most from these discussions, full engagement is expected on the part of the student. Be sure to stop by the discussion section frequently, not only to post, but to read the postings of your peers and instructor. Engaging with your peers and learning together is key to this experience. For your initial post, choo...

CHEM 120 Week 6 Virtual Lab; Nuclear Chemistry.

CHEM120 Students: The first exam in your science course is approaching. The General Education Academic Support is here to help. What can you do ahead of Exam 1? 1. Attend a live exam review Thursday, May 12th 6 PM MT Exam 1 Review Join Meeting here: Click here to join 2. Watch the recording of an exam review Click here to watch recorded exam review 3. Schedule a 1:1 appointment with a tutor Click here to book 4. Review the topic videos from weeks 1 and 2 Click her to review ...

CHEM 120 Week # 1 DQ 1 – Scientific Method and Calculations CHEM120 Week 1 Scientific Method & Calculations Let’s explore the scientific method. Here is the situation: We are planting a garden. We have a variety of bulbs & 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. What are some...

CHEM 120 Week # 1 DQ 1 – Scientific Method and Calculations CHEM120 Week 1 Scientific Method & Calculations Let’s explore the scientific method. Here is the situation: We are planting a garden. We have a variety of bulbs & 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. What are some...

Week 8 : Final Exam Questions - Final Exam CHEM120 Final-Exam- 1. Question: (TCO 7) (a, 5 pts) Given that the molar mass of H3PO4 is 97.994 grams, determine the number of grams of H3PO4 needed to prepare 0.25L of a 0.2M H3PO4 solution. Show your work. (b, 5 pts) What volume, in Liters, of a 0.2 M H3PO4 solution can be prepared by diluting 50 mL of a 5M H3PO4 solution? Show your work. (Pts. : 10) A. Molarity = moles of solute/liters of solution moles of solute = 0.2 M*0.25 L = 0.05 m...

CHEM120 Week 3 Assignment: Stoichiometry and Solution Chemistry – 100% Correct Answers Week 3 Assignment: 15 points 1. Balance these chemical reactions: (2 point each, 8 points total) 2 NaBr + 1 CaF2 → 2 NaF + 1 CaBr2 2 HCl + 1 CaCO3 → 1 CaCl2 + 1 H2O + 1 CO2 1 FeCl3 + 3 NaOH → 1 Fe(OH)3 + 3 NaCl 1 CaCO3 + 1 H2SO4 → 1 CaSO4 + 1 CO2 + 1 H2O 2. Calculate the formula mass of Al2(SO4)3. (2 points) 342.15 g/mol 3. Calculate the mass of 2.5 moles of NaOH. (1 points) 99.75 g/mol 4. For the ba...

CHEM120 Week 5 Assignment: Redox and Organic Chemistry – With 100% Correct Answers- Download To Score An A+ 1. For the following redox reactions, determine what is oxidized and what is reduced: ( each, 2 points total) 3 Hg2+ + 2 Fe (s) Fe oxidized, He reduced 2 As(s) + 3 Cl2(g) Cl reduced, As oxidized 3 Hg2 + 2 Fe3+ 2 AsCl3 2. List and describe 3 common things that occur during oxidation-reduction reactions (1.5)? 1. Combustion- flames (not explosions) 2. Disproportionation- simultaneous reduc...

CHEM120 Week 2 Assignment: Bonding and Naming of Molecules – With 100% Correct Answers Download To Score An A+ Week 2 Assignment (15 points): 1. In terms of electrons, what is an excited sta te? Give an example of an electron configuration for an excited state. (1 points) - An electron is in an excited state when it occupies an energy state that’s greater than its ground state. The ground state of Oxygen for example has an electron configuration that is 1s22s22p4 but the excited state might ...