Chem 104 experiment 5 Study guides, Class notes & Summaries
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CHEM 104 Experiment 1 Kinetics - Portage Learning
- Exam (elaborations) • 3 pages • 2023
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CHEM 104 Experiment 1 Kinetics - Portage Learning Title: Kinetics Purpose: The purpose of the first reaction was to vary the concentrations to observe the relationship of concentration and rate of the reaction. The purpose of the second experiment was also to vary the concentrations of hydrogen peroxide and iodine and determine how the rate was affected based on the concentrations. Order of reaction was also discussed and determined in the first and second reactions. The purpose of the third ex...
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CHEM 104 Experiment 2 Equilibrium Reactions - Portage Learning
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CHEM 104 Experiment 2 Equilibrium Reactions - Portage Learning The purpose of this experiment is to evaluate and study the equilibrium by measuring the equilibrium constant. Procedure: We performed 2 different experiments: o Determination of the equilibrium constant Kc o Study of LeChatelier’s principle Experiment #1: acetic acid vs. propyl alcohol 1. Summary: After gathering supplies, we created a solution of acetic acid and propyl alcohol in a small flask. At various time intervals, we then...
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CHEM 104 Experiment 5: Buffers - Portage Learning
- Exam (elaborations) • 4 pages • 2023
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CHEM 104 Experiment 5: Buffers - Portage Learning Purpose: The purpose of this lab is to determine how buffers affect the pH of a solution in order to observe how a buffer is resistant to pH changes. Additionally, we determined how enzymes activity is affected by pH. Procedure: Part 1: Determine pH of sodium acetate in water & buffer 1. 2 pH electrodes are place in 2 separate beakers, one filled with tap water & one is filled with a pH 7 buffer (both have an approximate pH of 7) 2. A scoop of s...
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CHEM 104 Experiment 5 : Buffers Summer 2023 portage learning
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Experiment #: 5 
Title: Buffers 
Purpose: The purpose of this lab is to determine how buffers affect the pH of a solution in order 
to observe how a buffer is resistant to pH changes. Additionally, we determined how enzymes 
activity is affected by pH. 
Procedure: 
Part 1: Determine pH of sodium acetate in water & buffer 
1. 2 pH electrodes are place in 2 separate beakers, one filled with tap water & one is filled 
with a pH 7 buffer (both have an approximate pH of 7) 
2. A scoop of sodium aceta...
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CHEM 104 MODULE 1- MODULE 6 EXAM 2022/2023 100%CORRECT QUESTIONS AND ANSWERS - PORTAGE LEARNING.
- Exam (elaborations) • 32 pages • 2023
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CHEM 104 MODULE 1- MODULE 6 EXAM 2022/2023 100%CORRECT QUESTIONS AND ANSWERS - PORTAGE LEARNING. 
Portage Learning CHEM 104 Module 1 Exam: 
Question 1 
In the reaction of gaseous N2O5 to yield NO2 gas and O2 gas as shown below, the following data table 
is obtained: 
→ 4 NO2 (g) + O2 (g) 
1. Using the [O2 
] data from the table, show the calculation of the instantaneous rate early in the 
reaction (0 secs to 300 sec). 
2. Using the [O2 
] data from the table, show the calculation of the instan...
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CHEM 104 MODULE 1- MODULE 6 EXAM 2022/2023 100%CORRECT QUESTIONS AND ANSWERS - PORTAGE LEARNING.
- Exam (elaborations) • 32 pages • 2023
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- $12.99
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CHEM 104 MODULE 1- MODULE 6 EXAM 2022/2023 100%CORRECT QUESTIONS AND ANSWERS - PORTAGE LEARNING. 
Portage Learning CHEM 104 Module 1 Exam: 
Question 1 
In the reaction of gaseous N2O5 to yield NO2 gas and O2 gas as shown below, the following data table 
is obtained: 
→ 4 NO2 (g) + O2 (g) 
1. Using the [O2 
] data from the table, show the calculation of the instantaneous rate early in the 
reaction (0 secs to 300 sec). 
2. Using the [O2 
] data from the table, show the calculation of the instan...
-
CHEM 104 MODULE 1- MODULE 6 EXAM 2022/2023 100%CORRECT QUESTIONS AND ANSWERS - PORTAGE LEARNING.
- Exam (elaborations) • 32 pages • 2023
-
- $12.99
- + learn more
CHEM 104 MODULE 1- MODULE 6 EXAM 2022/2023 100%CORRECT QUESTIONS AND ANSWERS - PORTAGE LEARNING. 
Portage Learning CHEM 104 Module 1 Exam: 
Question 1 
In the reaction of gaseous N2O5 to yield NO2 gas and O2 gas as shown below, the following data table 
is obtained: 
→ 4 NO2 (g) + O2 (g) 
1. Using the [O2 
] data from the table, show the calculation of the instantaneous rate early in the 
reaction (0 secs to 300 sec). 
2. Using the [O2 
] data from the table, show the calculation of the instan...
-
CHEM 104 Experiment 1 Kinetics Summer 2023 Portage learning
- Other • 3 pages • 2023
- Available in package deal
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- $13.49
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CHEM 104 Experiment 1 Kinetics Summer 2023 Portage learning/Title: Kinetics 
Purpose: The purpose of the first reaction was to vary the concentrations to observe the 
relationship of concentration and rate of the reaction. The purpose of the second experiment was 
also to vary the concentrations of hydrogen peroxide and iodine and determine how the rate was 
affected based on the concentrations. Order of reaction was also discussed and determined in the 
first and second reactions. The purpose o...
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CHEM 104 Experiment 8: Urinalysis - Portage Learning
- Exam (elaborations) • 3 pages • 2023
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CHEM 104 Experiment 8: Urinalysis - Portage Learning Purpose: The purpose of this lab is to carry out several experiments to evaluate the chemical makeup of a simulated urine sample. Procedure: Part 1: Chloride (Cl- ) 1. Prepare a mixture of AgNO3(silver nitrate) & Cl- solutions 2. These are both colorless solutions 3. Combine the solutions & note how they turn cloudy & form a white precipitate Part 2: Phosphate (PO3 -3) 1. Prepare a mixture of PO4 & (NH4)2MoO3 (Ammonium dimolybdate) solutions ...
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CHEM 104 Experiment 7 Organic Synthesis - Portage Learning
- Exam (elaborations) • 4 pages • 2023
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CHEM 104 Experiment 7 Organic Synthesis - Portage Learning Purpose: The purpose of this lab was to determine the process of synthesizing various carboncontaining organic products including aspirin, urea, & salicylic acid. In doing so, we were also able to calculate the percent yield in each of these experiments. Procedure: Part 1: Synthesis of aspirin 1. Placed 2.0 g of salicylic acid & placed it in a flask 2. 5.0 mL of acetic anhydride was then added to the flask & mixed 3. 5 drops of sulfuric...