Chem 120 chapter 2 - Samenvattingen en Aantekeningen

CHEM 120 Unit 5 Quiz (100% Correct Solutions) Question : (TCO 9) An alkene is a carbon compound that contains a(n) bond. Student Answer: double triple hydrogen aromati single Points Received: 3 of 3 Comments: Question 2.Question : (TCO 9) Which is the name of this compound CH3-CH2-CH2-CH2-CH3 ? Student Answer: Butane Pentane Heptane Hexane Octane Points Received: 3 of 3 Comments: Question 3.Question : (TCO 9) Which is the name of CH3-CH2-CH2OH? Student Answer: Propane Hexane Propanol Butane Etha...

CHEM 120 Unit 5 Quiz Instructions Here is some information about the quiz. • This quiz covers COs 9 and 10 and Chapter 9. • This quiz is worth 40 total points, which include the following qu estions: • Multiple choice questions at 3 points each and two matching questions at 4 points each. • You have 35 minutes to finish the quiz. • When the time limit is reached, you will automatically be exited from the exam. By submitting this work, I am attesting that it abides by the Student Honor ...

Chem. 120: week 4 Question 1: (TCO 6) A sample of helium gas occupies 520 mL at 79 mmHg. For a gas sample at constant temperature, determine the volume of helium at 45 mmHg. Student Answer: Boyles Law P1V1=P2V2 Temp is constant 79 mmHg x 520 mL= 45 mmHg x V2 41080= 45 mmHg x V2 912.88 mL=V2 Instructor Explanation: Chapter 6; Using Boyle’s law, P1V1 = P2V2. We have V1 (520 mL), P1 (79 mmHg) and P2 (45 mmHg). We want to determine V2, so V2 = (P1 x V1)/P2 = (520 mL * 79 ...

CHEM 120 exam 1 study guide (NEW EXAM COPY 2021 ) QUESTIONS AND ANSWERS 100% PASSED Chamberlain College of Nursing Chapter 1 The nurse is teaching a pharmacology class to student nurses. What does the nurse include as key events in the history of pharmacology? Note: Credit will be given only if all correct choices and no incorrect choices are selected. Standard Text: Select all that apply. 1. Initial drugs included morphine, cocaine, and penicillin. 2. Early researchers used themselves as...

CHEM 120 All Quiz Solutions Week 1 – 7 1. Question : (TCO 2) The atomic number of an atom is equal to the number of Student Answer: electrons plus protons. nuclei. neutrons plus protons. protons. neutrons. Instructor Chapter 3; The atomic number = number of protons Explanation: 6 MultipleChoice 2 True 0 6 MultipleChoice 2 2. Question : (TCO 2) Consider a neutral atom with 30 protons and 34 neutrons. The atomic number of the element is Student Answer: 94. 30. 64. 32. 34. Ins...

CHEM 120 Week 1 Quiz 1. Question : (TCO 1) You have been growing the same variety of corn for over 5 years. In the past two years, you have noticed that the yield has decreased by 10% each year. You grow corn on 10 acres of land and your yield should be 1,000 bushels per acre. Growing conditions have been consistent for the past 5 years. You want to identify another variety of corn that will produce 1,000 bushels per acre. You currently grow Variety ZQB. You want to test two new varieti...

CHEM 120 Week 1 Quiz 1. Question : (TCO 1) You have been growing the same variety of corn for over 5 years. In the past two years, you have noticed that the yield has decreased by 10% each year. You grow corn on 10 acres of land and your yield should be 1,000 bushels per acre. Growing conditions have been consistent for the past 5 years. You want to identify another variety of corn that will produce 1,000 bushels per acre. You currently grow Variety ZQB. You want to test two new varieti...