CHEM 120 (CHEM 120)
Chamberlain College Nursing
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CHEM 120| Midterm Study Guide
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CHEM 120 Midterm Study Guide
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CHEM 120| WEEK 6| DISCUSSION 1-POLYMERS| (GRADED A)
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CHEM 120 WEEK 6 DISCUSSION 1-POLYMERS (GRADED A)
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CHEM 120| Final Exam Study Guide||
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CHEM 120 Final Exam Study Guide
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CHEM 120| Week 4 DQ| ACIDS & BASES
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CHEM 120 WEEK 4 DQ: ACIDS & BASES
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CHEM 120| Week 2 Discussion 1| Chemical Names
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CHEM 120 Week 2 Discussion 1 - Chemical Names
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CHEM 120 Week 8 Final Exam COMPLETE (100% CORRECT SOLUTIONS) | Already GRADED A.
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6. (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) Using Charles’ Law, ( V1/T1) = (V2/T2). First, convert temperature to KELVIN (T1 = t1 +273) Thus, T1 = 95 + 273 = 368. We have V1 (165 mL) & T2 = (25 + 273) = 298. V2 = (V1*T2)/T1 = (165 mL*298)/368 = 133.6 mL. 0 7 Short 16 7. (TCO 6) A sample of helium gas occupies 1021 mL at 719 mmHg. For a gas sample at constant tempera...
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CHEM 120 Unit 6 Quiz | 30 out of 30 points | Download To Score An A.
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Question: Bismuth (Bi) has a mass number if 214 and an atomic number of 83 and decays by beta emission. The product of this decay is Question: The pendant group in polystyrene is an Question: Which of the following statements about crystalline and amorphous is Question: Which physical state has the greatest entropy. _______ . Question: The fact that heat pump requires energy to move heat from a colder object to a hotter object is a real life observation of which thermodynamic law? _______ . Ques...
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CHEM 120 Unit 1 Quiz | GRADED A Question and Answer Solutions | 100 % VERIFIED.
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Week 1: Quiz Instructions Here is some information about the quiz. • This quiz covers COs 1 and 2 and Chapters 1, 2, and 3. • This quiz is worth 30 total points, which include the followin g questions: o 10 multiple choice questions (2 points each); o 2 short-answer questions (3 points each); o one essay question 4 points. • You have 40 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 tha...
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CHEM 120 Week 4 Assignment: 20 points - Chamberlain College of Nursing correct
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Week 4 Assignment: 20 points 
1. Solve these ideal gas law problems. Show all work for credit. 
a. A gas occupies 250 mL at 739 mmHg. For a gas at constant temperature, determine the 
volume of gas at 514 mmHg. (1 points) 
P*V=P*V 
739*250 = 514*V 
/514 = 359 
b. Use the molar volume of a gas, at STP, to determine the number of moles of CO2 in 4.00 L of 
CO2 gas. (1 points) 
22.4L/mol 
4*(1/22.4) 
0.179 
c. A sample of nitrogen (N2) has a volume of 50.0 L at a pressure of 2 ATM. What is the vo...
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quiz wk 5 .well graded
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1. 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
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