Chem 121 lab report Study guides, Class notes & Summaries
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CHEM 121 Lab Report 6: Measuring Kand Shifting Chemical Equilibria FALL 2023 _Portage
- Other • 9 pages • 2023
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Experiment #: 6 
Title: Measuring Kc and Shifting Chemical Equilibria 
Purpose: In this lab we will determine the equilibrium constant for Kc. Also, we will study and 
do an experiment related to Le Chatelier’s Principle. 
Procedure: 
Equilibrium Reactions: 
1. Obtain a small flask. 
2. Put 10ml of propyl alcohol in the flask. 
3. Put 10ml of acetic acid in the same flask. 
4. Swirl the flask to combine substances. 
5. Obtain a beaker. 
6. Put 25 ml of water into the beaker. 
7. Use a pipet an...
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CHEM 121 Lab Report 9: Inorganic Synthesis
- Exam (elaborations) • 3 pages • 2023
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CHEM 121 Lab Report 9: Inorganic Synthesis
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CHEM 121 Lab Report 5: Bonding Type by Solubility, Distillation, and Spectroscopy FALL 2023_Portage
- Other • 10 pages • 2023
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Experiment #: 5 
Title: Bonding Type by Solubility, Distillation, and Spectroscopy 
Purpose: This lab is used to study the Infrared Spectra and physical properties of molecules to 
determine what kinds of intra-molecular bonds are present within the molecules and what kinds 
of inter-molecular bonds are present between the molecules. 
Procedure: 
Solubility Evaluation: 
Experiment 1: 
1. Put a small amount of water in a test tube 
2. Add two scoops of Potassium Chloride (solid) 
3. Swirl in test...
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CHEM 121 Lab Report 1: Equipment, Safety, and Mass/Volume Measurement FALL 2023_Portage learning
- Other • 9 pages • 2023
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Title: Equipment, Safety, and Mass/Volume Measurement 
Purpose: The purpose of this experiment is to learn how to be safe while working in the 
chemistry lab. Also, to learn about different equipment and how it is used properly in the 
chemistry lab setting. Lastly, to learn how to measure mass and volume using different 
equipment. 
Procedure: 
Analytical Balance Mass Measurement: 
1) Five (5) analytical balances should be placed on a countertop and zeroed. 
2) A cell phone is placed on analyti...
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CHEM 121 Lab Report 8: Organic Synthesis FALL 2023_Portage learning
- Other • 6 pages • 2023
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Title: Organic Synthesis 
Purpose: In this lab, three carbon based organic compounds were synthesized to determine 
their true purity. The experiments were done to learn about how to use these compounds’ melting 
points and infrared spectroscopy to determine their percent yield. 
Procedure: 
Experiment 1: Making Acetylsalicylic Acid (aspirin) 
1. Obtain a flask. 
2. Weigh 2 grams of salicylic acid. 
3. Put the 2 grams of salicylic acid into the flask. 
4. Put 5 mL of acetic anhydride into a gr...
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CHEM 121 Lab Report 9: Inorganic Synthesis FALL 2023_Portage learning
- Other • 6 pages • 2023
- Available in package deal
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Experiment #: 9 
Title: Inorganic Synthesis 
Purpose: In this lab, the synthesis of the inorganic compounds Alum, Calcium Carbonate, and 
Zinc Oxide will be carried out. Percent yields will be performed on all three of these 
experiments. Infrared Spectroscopy will be used to establish all structures. 
Procedure: 
Experiment 1: 
1. Obtain 1-gram of scrap aluminum. 
2. Place the aluminum in a beaker. 
3. Add 50 ml of 20% Potassium Hydroxide to aluminum. 
4. Heat the beaker in a hood (giving off H...
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CHEM 121 Lab Report 3 - Quantitative and Qualitative Analysis | Portage Learning
- Exam (elaborations) • 2 pages • 2023
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CHEM 121 Lab Report 3 Quantitative and Qualitative Analysis | Portage Learning
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CHEM 121 Lab Report 5-Bonding Type by Solubility, Distillation, and Spectroscopy.
- Exam (elaborations) • 10 pages • 2024
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CHEM 121 Lab Report 5-Bonding Type by Solubility, Distillation, and Spectroscopy.
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CHEM 121 Lab Report 7: Acid Base Titrations FALL 2023 _Portage learning
- Other • 5 pages • 2023
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Title: Acid Base Titrations 
Purpose: In this lab, titration analyses will take place doing six different acid-base titrations. 
Titration is used to determine an unknown concentration of a substance. 
Procedure: 
Experiment 1: Weak acid, strong base 
Standardization titration was performed to determine the molarity of NaOH (Sodium Hydroxide) 
by titrating it against a weak acid, Potassium Hydrogen Phthalate. The acid is put in a beaker and 
phenolphthalein indicator and water is added. Titratio...
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CHEM 121 Lab Report 10: Urinalysis FALL 2023 Portage learning
- Other • 4 pages • 2023
- Available in package deal
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Experiment #: 10 
Title: Urinalysis 
Purpose: In this experiment we will conduct a chemical examination of a simulated urine 
sample. The test will include several chemicals that should be routinely present in the blood or 
urine, which include chloride, phosphate ions, calcium ions, ammonium ions, proteins, sugars, 
and ketones. 
Procedure: 
Test 1: Urinalysis - Test for Chloride (Cl-): 
 This test measures the amount of chloride in urine and is used to evaluate and manage acid-base, 
fluid, an...