Online TA Profiles
Steve Keizer, PhD (IP)
OTA ID#: 103897
| Education Experience: |
BSc (Hons), Chemistry with Environmental Science, University of Western Ontario, 1999 PhD (IP), Chemistry, University of Western Ontario, anticipated 2004 |
|---|---|
| Focus of Study: | Porphyrins and Phthalocyanines. |
| Awards: | * SUS scholarships
* SPP student grant |
| Publications: | Photochemically-Induced Radical Reactions of Zinc Phthalocyanine
Keizer, S. P.; Han, W.; Stillman, M. J.; Inorg. Chem.; (Article); 2002; 41(2); 353-358 Spectroscopy and Electronic Structure of Electron Deficient Zinc Phthalocyanines Keizer, S. P.; Mack, J.; Bench, B. A.; Gorun, S. M.; Stillman, M. J.; J. Am. Chem. Soc.; (Article); 2003; 125(23); 7067-7085. |
| Work Experience: | 5 years TA experience in undergraduate chemistry courses including organic, inorganic and analytical chemistry. |
| Career Interests: | Academic position. |
| Outside Interests: | Snowboarding, swimming and outdoor recreation. |
| Message to Students and/or Parents: |
I am a strong believer in the education system and the process of learning has always intrigued me. I tend to teach using methods that make the process more enjoyable, as well as more active. |
| Postings Answered: | 402 |
| Cumulative OTA Rating: | 4.8/5 What is OTA Rating? |
- Amount of calcium carbonate dissolved - The average pH of precipitation in rural areas is 6.80. Assuming that the pH is controlled by the carbonate system, i.e., no anthropogenic acid gases are present in the atmosphere, calculate the amou ...
- Global Warming - If you were asked to become the minister or secretary in the Federal Government or United Nations in charge of doing something about global warming, what policies would you attempt to implement? Why? ...
- calculate mass % of meth, eth, and MTBE in gasoline. I have NO clue where to even start! - 38. Calculate the mass percent of methanol, ethanol, and MTBE (answers must be received in that order) that must be present in gasoline to yield a mixture of 1.8 % oxygen by weight.
- Friedel-Crafts Acylation - I have a problem with Fiedel-Crafts reactions and I am not sure of the end results of the product. Could you please explain to me the attached question?
- Steady state conc. of O2 radicals is 0.04 ppmv @ 25 deg C - Please note: this is the second time that this question has been posted. The answer is NOT a. 4.00 x 10 ^-8 atm, b. 1.63 x 10^-9 mol/L, c. =9.86 x 10 ^13 molecules/cm^3 121. During a photochemica ...
- What major organic product will form when acetyl chloride reacts with these reagents? - What major organic product would you expect to be formed when acetyl chloride reacts with each of the following reagents? 1)water 2)excess NH3 3)1-Butanol and pyridine 4)CH3COO-,Na+
- stereochemistry of bromine addition to trans-cinnamic acid; syn or anti addition? - This problem is from Modern Projects and Experiments in Organic Chemistry by Mohrig, Hammond, Schatz, and Morrill. (1) Showing a lot of detail, please draw out the mechanism of the reaction step-by ...
- Butanols - Which of the isometric butanols(C4H10O) can be prepared by reduction of a ketone with sodium borohydride?
- Monobrominated Product(s) - Please do not include your response in a .pdf or .cdx format, but Word documents are okay. Thanks! Draw the structure of the major monobrominated product(s) formed when each of the compounds indic ...
- Which of the following ions would be more water soluble Hg2+ or methyl mercury (CH3Hg+) ? more lipid soluble? and which one would be more toxic.. and why?? - Which of the following ions would be more water soluble Hg2+ or methyl mercury (CH3Hg+) ? more lipid soluble? and which one would be more toxic.. and why??
- Find the Perimeter of an Octagon within a Circle - A regular octagon is inscribed in a circle of radius 15.8 cm. Find the perimeter of the octagon.
- Tritraton conversion - Please review lab content for accuracy and provide detailed calculation solution to 5, 6, & 7. Titration Lab Background: The minimum daily requirement for vitamin C is 30 mg, and the recommended ...
- Combustion temps; Calc. Concentration of nitric oxide in equilibrium with.... - NOTE: This is the second time that this question has been posted, so please DO NOT respond unless you are 100% sure about your response. The answer is NOT 3.87 x 10^-9 M. 124. At combustion tempera ...
- Preparing alcohols from aldehydes or ketones - What aldehyde or ketone would you reduce to prepare the following alcohols? 1) Benzyl alcohol 2) 3,3-Dimethyl-2-butanol 3) 2,2-Dimethyl-1-pentanol
- Order-of-magnitude calculations - 1) If the entire population of the United States forms a human chain by holding hands, how many times can such a chain be wrapped around the earth's equator? Round your answer to the nearest integer. ...
- Solid-Vapor Equilibrium - To color spots on TLC plates for easier visualization after elution with solvent, the plates can be "developed" in a sealed chamber containing solid iodine. Explain how the solid-vapor equilibrium ope ...
- Chemical Tests - What chemical test would you use to distinguish between the 1-octene starting material and the octane product?
- Synthetic Reaction Scheme - Outline a synthetic reaction scheme for the preparation of triphenylmethanol from: (a) Methyl benzoate (b) Diethyl carbonate
- para-Nitrobenzaldehyde vs. benzaldehyde - para-Nitrobenzaldehyde reacts at a faster rate than benzaldehyde in the Perkin reaction while p-N,N-dimethylaminobenzaldehyde is much less reactive toward the same nucleophile. Explain.
- aldol condensation - a. "Crossed" or "mixed" aldol condensations are practical for synthesis, if one of the aldehydes (or ketones) has no alpha-hydrogen atoms. Explain. b. In the aldol condensation, why might it be es ...
