Chem 120 week 1 to week - Study guides, Class notes & Summaries

CHEM-120 Week # 1 DQ 2 – Atoms and Atomic Structure There are a number of elements (minerals) that are important to human nutrition. These include sodium, potassium, calcium, chloride, magnesium, iron, copper, manganese, iodine, molybdenum, and selenium. There are many additional elements that are useful in industry. Using the periodic table of elements, pick one of these elements and determine the number of protons, neutrons, and electrons found in this atom. Be sure to check that you a...

You know the following statements regarding the pain of acute coronary syndrome are true except: a. May last longer than 20min b. May radiate to arms, back, neck, jaw c. Present atypically more often in men than women d. May be retrosternal or poorly localized - C A - You are reviewing a pt chart before the exam. You note that the pt is using topical capsaicin. You know that topical capsaicin is often used for tx of: a. Diabetic neuropathy b. Stress reduction c. All answers are appropriate ...

CHEM 120 Week 2 Discussion 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 which compound is associated with which name? To apply these concepts, look at problems 18 & 22 on page 122. Choose one part of the problem, & provide your answer. Check out the following ex...

CHEM 120 WEEK 3 QUIZ- WITH 100% CORRECT ANSWERS Week 3 Quiz There are 6 multiple choice and two short answer questions. Each question is worth 5 points. To answer multiple choice questions, highli ght the right answer. To answer the short answer questions, show your work and calculations. DO NOT CHANGE THE FORMAT OF THE QUIZ PLEASE. 1. (TCO 5) Which coefficient is placed in front of O2 to complete the balancing of the following equation? C5H8 + ? O2 --> 5 CO2 + 4 H2O 1 3 5 6 7 2. TCO 5) Which...

CHEM 120 Week 8 Final Exam Questions-Answers (Version 1) 2023 UPDATE6. (TCO 6) A gas at a temperature of 95 degrees C occupies a volume of 165 mL. Assuming constant pressure, determine the volume at 25 degrees C. Show your work. (Points : 5) 7. (TCO 6) A sample of helium gas occupies 1021 mL at 719 mmHg. For a gas sample at constant temperature, determine the volume of helium at 745 mmHg. Show your work. (Points : 5) 8. (TCO 12) If one strand of a DNA double helix has the sequence T T A G C G ...

CHEM120 Week 1 to Week 7 Quizzes / CHEM 120 Week 1 to Week 7 Quizzes (Latest-2021): Chamberlain College of Nursing |100% Correct Answers, Download to Score “A”| CHEM120 Unit 1 to Unit 7 Quiz / CHEM 120 Unit 1 to Unit 7 Quiz (Latest-2021): Chamberlain College of Nursing |100% Correct Answers, Download to Score “A”| CHEM120 Week 3 Practice Problem Solutions / CHEM 120 Week 3 Practice Problem Solutions (Latest-2021): Chamberlain College of Nursing |100% Correct Answers, Download to Score ...

Week 10 Final Exam Return to deck 1. In AR disorders, carriers have:  Two mutated genes; two from one parent that cause disease  A mutation on a sex chromosome that causes a disease  A single gene mutation that causes the disease  One copy of a gene mutation but not the disease 2. A 76-year-old patient with a 200-pack year smoking history presents with complaints of chronic cough, dyspnea, fatigue, hemoptysis, and weight loss over the past 2 months. The physical exam re...

CHEM 120 Week 3 Discussion: Solution Chemistry Molecule Mass V 1 NaCl 2 g CaBr2 6 g 3 Li3N 1 g 5 CaO 7 g 1 For example, one possible combination would be 2 gram s 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: 1. %mass/volume concentration 2. Molarity 3. Osmolarity Make sure to post at least two high quality posts. Follow-Up Post Instructions Respond to at least one peer or the instructor. Further the dialogue by p...

CHEM 120 WEEK 8 FINAL EXAM 2023 with A+ Grade Solutions 1. (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): (Points : 5) 2. (TCO 1) How many mL are in 3.5 pints? Show your work. (Points : 5) 3.5 pints is equivalent to 1656.116 1 pint = 473.176 ml 3.5 pints* 473.176mL = 1656.116mL 3. (TCO 3) What is the name of the following compound: Zn3P2? (Points : 5) It's Zinc P...

CHEM 120 Week 8 Final Exam - Question Only – Download For Revision Page 1 1. 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): 2. Question: (TCO 1) How many mL are in 3.5 pints? Show your work. 3. Question: (TCO 3) What is the name of the following compound: Zn3P2? 4. Question: (TCO 3) What is the name of the following compound: AgNO3? 5. Question: (TCO 6) Calculate the pressure, in atmospheres, of 2.78 ...