CHEM 121 Study guides, Class notes & Summaries
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CHEM 121 Lab 3 Quantitative and Qualitative Analysis (Portage learning) SPRING
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Experiment # 3 
Quantitative and Qualitative Analysis 
Purpose: Using tools to measure and identify substances. 
Procedure: 
A. Measuring quantity of a substance to identify metal carbonate. 
1) Tare test tube in a beaker and measure out approximately 1.1809 gram of unknown metal carbonate 
into test tube. 
2) Add sulfuric acid to the beaker and mix. Watch reaction for CO2 gas evaporation. 
3) Measure weight of mixture and record the difference. 
4) Use formula to calculate %CO2 in the sample=we...
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CHEM 121 Lab 2 Density Determination (Portage learning)
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Title: Density Determination 
Purpose: Familiarize methods to obtain densities of different objects. Explore 
accuracy and precision within two different methods of measuring density. 
Procedure: 
Measurement of densities of water at room temperature (21.4 degrees C). 
In order to calculate the density, the volume and mass of the items in each 
experiment were recorded. Note: accepted value of water density at room 
temperature is 0.997904 g/ml. Equipment: balance, pipette, beaker. 
A beaker was...
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CHEM 121 Lab 1 notebook : Equipment, Safety, and Measurement of Mass and Volume (Portage learning)
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Experiment #: 1 
Title: Equipment, Safety, and Measurement of Mass and Volume 
Purpose: Introduction to lab equipment and devices, safety equipment and 
procedures, and relative accuracy in mass, volume, and density comparing 
calculated and measured volumes. 
Procedure: 
Equipment Introduction 
 Glass containers: Beakers, flasks, graduated cylinders, pipettes, burettes 
 Burners- Bunsen and Fisher 
 Scoopula, spatula 
 Wire gauze for even heating 
 Ring stands, clamps, and burett...
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chem 121 study guide exam 1 updated 2024 with 100% complete solutions
- Exam (elaborations) • 5 pages • 2024
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CHEM 121 FINAL EXAM QUESTIONS AND ANSWERS 100% PASS
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CHEM 121 FINAL EXAM QUESTIONS AND 
ANSWERS 100% PASS 
kinetic molecular theory - Correct Answer ️️ -all matter is made of tiny particles that 
are constantly moving 
fundamental particle - Correct Answer ️️ -take a macroscopic object and divide it 
repeatedly. Eventually you have a particle, which, if further divided is no longer the 
original substance. This smallest piece of the substance is called... 
h2o molecule - Correct Answer ️️ -the fundamental particle of water is what? 
at...
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Chemistry 121 Exam #1 Questions and Answers 100% Pass
- Exam (elaborations) • 5 pages • 2024
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Chemistry 121 Exam #1 Questions and 
Answers 100% Pass 
Hydroxide - Correct Answer ️️ -OH- 
Acetate - Correct Answer ️️ -C₂H₃O₂⁻ 
Nitrate - Correct Answer ️️ -NO₃⁻ 
nitrite - Correct Answer ️️ -NO₂⁻ 
Oxide - Correct Answer ️️ -O²⁻ 
Sulfide - Correct Answer ️️ -S²⁻ 
Sulfite - Correct Answer ️️ -SO₃²⁻ 
Sulfate - Correct Answer ️️ -SO₄²⁻ 
Carbonate - Correct Answer ️️ -CO₃²⁻ 
Chromate - Correct Answer ️️ -CrO₄²⁻ 
Dich...
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Chemistry 121 Exam 1 Questions and Answers 100% Correct
- Exam (elaborations) • 7 pages • 2024
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Chemistry 121 Exam 1 Questions and 
Answers 100% Correct 
What are the three states of matter? - Correct Answer ️️ -solid, liquid and gas 
___ is the study of properties and behavior of matter. - Correct Answer ️️ -chemistry 
___ is the physical material of the universe. It is also anything the has mass and 
occupies space. - Correct Answer ️️ -matter 
__ is matter that is made up of one "thing" - Correct Answer ️️ -pure substance 
__ is a mixture that doesn't have the same co...
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CHEM 121 FINAL EXAM QUESTIONS AND ANSWERS 100% PASS
- Exam (elaborations) • 9 pages • 2024
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CHEM 121 FINAL EXAM QUESTIONS AND 
ANSWERS 100% PASS 
kinetic molecular theory - Correct Answer ️️ -all matter is made of tiny particles that 
are constantly moving 
fundamental particle - Correct Answer ️️ -take a macroscopic object and divide it 
repeatedly. Eventually you have a particle, which, if further divided is no longer the 
original substance. This smallest piece of the substance is called... 
h2o molecule - Correct Answer ️️ -the fundamental particle of water is what? 
at...
-
chem 121 study guide exam 1 updated 2024 with 100% complete solutions
- Exam (elaborations) • 5 pages • 2024
-
- $11.49
- + learn more
-
Chemistry 121 Exam #1 Questions and Answers 100% Pass
- Exam (elaborations) • 5 pages • 2024
-
- $11.49
- + learn more
Chemistry 121 Exam #1 Questions and 
Answers 100% Pass 
Hydroxide - Correct Answer ️️ -OH- 
Acetate - Correct Answer ️️ -C₂H₃O₂⁻ 
Nitrate - Correct Answer ️️ -NO₃⁻ 
nitrite - Correct Answer ️️ -NO₂⁻ 
Oxide - Correct Answer ️️ -O²⁻ 
Sulfide - Correct Answer ️️ -S²⁻ 
Sulfite - Correct Answer ️️ -SO₃²⁻ 
Sulfate - Correct Answer ️️ -SO₄²⁻ 
Carbonate - Correct Answer ️️ -CO₃²⁻ 
Chromate - Correct Answer ️️ -CrO₄²⁻ 
Dich...
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