Chem120 week 4 Study guides, Class notes & Summaries
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CHEM 120 Week # 1 DQ 1 – Scientific Method and Calculations
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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...
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CHEM 120 Week 4 Virtual Lab; Ideal Gas Law Part I, Part II
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CHEM 120 Week 4 Virtual Lab; Ideal Gas Law Part I, Part II
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CHEM120 Week 8 Final Exam (Version 4) -with 100% verified solutions-2023-2024
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CHEM120 Week 8 Final Exam (Version 4) -with 100% 
verified solutions-
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CHEM120 INTRODUCTION TO GENERAL, ORGANIC & BIOLOGICAL CHEMISTRY 2024| LAB REPORT FOR WEEK 4 SCORED A +
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CHEM120 INTRODUCTION TO GENERAL, ORGANIC & 
BIOLOGICAL CHEMISTRY 2024| LAB REPORT FOR 
WEEK 4 SCORED A + 
OL Lab 7: Ideal Gas Law 
Learning Objectives 
• Explain the physical concepts of temperature and absolute zero 
• Define the relationship between pressure, volume and temperature in gases 
using gas thermometry 
• Apply the Ideal Gas Law 
• Give examples of acids and bases from everyday life 
• Define pH and identify acids and bases using the pH scale 
• Apply the Bronsted-Lowry ...
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chem 120 final questions and answers to week 8
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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...
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CHEM 120 Week 4 Discussion; Chemistry in the World Around Us - Vinegar that contains acetic acid
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CHEM 120 Week 4 Discussion; Chemistry in the World Around Us - Vinegar that contains acetic acid
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CHEM 120 Week 4 Virtual Lab; Acids and Bases Part I, Part II
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CHEM 120 Week 4 Virtual Lab; Acids and Bases Part I, Part II
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CHEM120 INTRODUCTION TO GENERAL, ORGANIC & BIOLOGICAL CHEMISTRY 2024| LAB REPORT FOR WEEK 4
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CHEM120 INTRODUCTION TO GENERAL, ORGANIC & BIOLOGICAL CHEMISTRY 2024| LAB REPORT FOR WEEK 4
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CHEM120 Week 3 Assignment: Stoichiometry and Solution Chemistry – 100% Correct Answers
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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...
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CHEM 120 Week 3 Exam 1 (Information)
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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 
 
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