Podcast
Questions and Answers
Please assign curves A, B, and C to each of the three chemicals of the decomposition of N2O (g) into O2 (g) and N2 (g).
Please assign curves A, B, and C to each of the three chemicals of the decomposition of N2O (g) into O2 (g) and N2 (g).
Curve A = O2 Curve B = N2 Curve C = N2O
Given that the half-life of 14C is 5730 years, calculate the number of half-lives that have passed for a mummy whose concentration of 14C is measured to be 0.40 ppt.
Given that the half-life of 14C is 5730 years, calculate the number of half-lives that have passed for a mummy whose concentration of 14C is measured to be 0.40 ppt.
- 1.5 half-lives
- < 1 half-life
- 1.3 half-lives
- 1.2 half-lives
- 2 half-lives
Which of the following ligands will provide the greatest increase in solubility of CuS?
Which of the following ligands will provide the greatest increase in solubility of CuS?
- Ligand D
- Ligand A
- Ligand C
- Ligand B
Which of the following systems in equimolar quantities would be ideal for stabilizing sucrase at pH = 6.0?
Which of the following systems in equimolar quantities would be ideal for stabilizing sucrase at pH = 6.0?
Acid: ____________________________
Acid: ____________________________
Base: ____________________________
Base: ____________________________
Which of the following is the correct molar solubility of the salt A2B3 given that the Ksp is 1.00x10-15 at 298 K?
Which of the following is the correct molar solubility of the salt A2B3 given that the Ksp is 1.00x10-15 at 298 K?
What is the order of the reaction based on data collected for the decomposition of sucrose using the sucrase enzyme?
What is the order of the reaction based on data collected for the decomposition of sucrose using the sucrase enzyme?
How many steps does the reaction occur in? __________________________
How many steps does the reaction occur in? __________________________
Which step is the rate limiting step? _________________________________
Which step is the rate limiting step? _________________________________
By introducing a catalyst to the reaction, which of the following is expected to change? Circle all that apply.
By introducing a catalyst to the reaction, which of the following is expected to change? Circle all that apply.
Estimate the values of all pKa(s) and equivalence point pH(s) based on a titration curve.
Estimate the values of all pKa(s) and equivalence point pH(s) based on a titration curve.
Flashcards
What is Carbon dating?
What is Carbon dating?
The concentration of radioactive 14C in organic matter to measure the amount in parts per trillion (ppt).
What is Sucrase?
What is Sucrase?
Digestive enzyme that catalyzes the hydrolysis of sucrose into glucose and fructose.
What are Titration curves?
What are Titration curves?
A series of titrations to determine the amount of acid or base in a solution.
What is a Reaction Coordinate Diagram?
What is a Reaction Coordinate Diagram?
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What is a Hydrogen Fuel Cell?
What is a Hydrogen Fuel Cell?
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What is Ka?
What is Ka?
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What is Ocean Acidification?
What is Ocean Acidification?
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Determine Activation energy.
Determine Activation energy.
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Cyclic Voltammetry
Cyclic Voltammetry
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Study Notes
- It is a Chemistry 1022, 3rd mid-term exam and has a 90-minute time limit
- There are 5 questions on 12 pages worth 100 points total
- The last 4 pages includes constants, equations, thermochemical data, and a Periodic Table
Exam Instructions
- All work must be shown in the spaces provided for full credit
- When asked to briefly explain, answers should be limited to 2-3 sentences
- Keep answers to 3-4 significant figures
- Include units with all numerical answers
- The exam is closed book and closed notebook
- No cell phones or internet-enabled devices are permitted
Multiple-Choice Question Instructions
- Multiple-choice questions with the phrase "Select All" have more than one correct answer
- Darken the letter of your choice on all multiple-choice responses
Academic Integrity Statement
- By signing, the student agrees to abide by the provisions of the Code of Academic Integrity
- Compliance includes using a calculator ONLY as a calculation aid
- No other electronic or wireless devices including network-accessible calculators are allowed
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