Chem 12 Study guides, Class notes & Summaries
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CHEM 120 Week 8 Lab Practical Online Quiz (Lab Practicum)
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CHEM 120 Week 8 Lab Practical Online Quiz (Lab Practicum)
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CHEM 120 Week 8 Exam 3 (Units 5, 6, and 7)
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CHEM 120 Week 8 Exam 3 (Units 5, 6, and 7)
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CHEM 120 Week 5 Exam 2 (Units 3 and 4)
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1.	A solution is prepared by dissolving 50 g of KCl (74.6 g/mol) to a volume of 1 L. What is the molarity of this solution? 
2.	You prepare a solution by dissolving 20 g of NaCl to a volume of 350 mL in water. What is the mass/volume % concentration of this solution? 
3.	When the following reaction goes in the forward direction, what is the base? 
4.	You are preparing a buffered solution. So far, your solution contains H2PO4- ions, what would you add to this solution to prepare your buffer sy...
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CHEM 120 Week 5 Exam 2 (Units 3 and 4)
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CHEM 120 Week 5 Exam 2 (Units 3 and 4)
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CHEM 120 Week 8 Lab Practical Online Quiz
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Station 1. You have run an experiment studying the effects of the molecular weight of a compound on the rate of diffusion in agar. Compound X has a molecular weight of 25.3 g/mol and compound Y has a molecular mass of 156.2 g/mol. On two separate agar plates, 0.1 g of each substance were transferred and allowed to diffuse for 2 hours. The results below were obtained. Use this information about this situation to answer the following three questions. 
1.	Question: (CO 1) What was the independent v...
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CHEM 120 Final Exam
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CHEM 120 Final Exam 
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. (TCO 3) What is the name of the following compound: Zn3P2? (Points : 5)
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CHEM 121 FINAL EXAM Questions and Answers Updated (2023 / 2024) (Verified Answers)- PORTAGE LEARNING
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CHEM 121 FINAL EXAM Questions and Answers Updated (2023 / 2024) (Verified Answers)- PORTAGE LEARNING
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CHEM 120 Final Exam (Version 3), CHEM 120: Introduction to General, Organic & Biological Chemistry with Lab, Verified and Correct Answers, Chamberlain College of Nursing.
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CHEM 120 Final Exam (Version 3), CHEM 120: Introduction to General, 
Organic & Biological Chemistry with Lab, Verified and Correct Answers, Chamberlain College of Nursing.
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PORTAGE LEARNING CHEM 121 MODULE 1 EXAM 2023|A GRADED|NEW!!!
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1.	Convert 1005.3 to exponential form and explain your answer. 
 
2.	Convert 4.87 x 10-6 to ordinary form and explain your answer. Your Answer: 
 
 
1.) Convert 1005.3 to exponential form and explain your answer: 
 
All number values must be between 1-10. Because this value is greater than 1, the exponent remains positive. 
 
In order for this to happen, we have to move the decimal three places to the LEFT thus, the exponential form of 1005.3 is: 1.0053 X 103
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CHEM 120 Midterm Exam, CHEM 120 Final Exam , CHEM 120 Final Exam Review, CHEM 120: Introduction to General, Organic & Biological Chemistry with Lab, Verified and Correct Answers, Chamberlain College of Nursing.
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CHEM 120 Midterm Exam, CHEM 120 Final Exam , CHEM 120 Final Exam Review, CHEM 120: Introduction to General, Organic & Biological Chemistry with Lab, Verified and Correct Answers, Chamberlain College of Nursing.
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CHEM 120 Exam #1 Questions With Complete Solutions
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define matter correct answer: anything that has mass and takes up space 
 
what is not considered matter? correct answer: light, heat, electricity 
 
definite shape, definite volume correct answer: solid 
 
indefinite shape, definite volume correct answer: liquid 
 
indefinite shape, indefinite volume correct answer: gas 
 
pure substance correct answer: one substance; definite and constant composition; can't be separated into 2 kinds of matter by physical means; single kind of matter 
 
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