SELECT SQL_CALC_FOUND_ROWS posting_id, rw1.node_name AS subject, rw2.node_name AS topic FROM posting, rewrite_sol_bm AS rw1, rewrite_sol_bm AS rw2 WHERE ota_id=104819 AND type=1 AND library_status=1 AND posting.subject_id=rw1.subject_id AND posting.topic_id=rw2.topic_id AND rw1.node_type=1 AND rw2.node_type=2 ORDER BY library_downloads DESC LIMIT 0, 20 Online TA Profiles - Homework Help from BrainMass
Online TA Profiles
Katherine Woo, PhD (IP)
OTA ID#: 104819

Education Experience: BSc, Chemistry, Simon Fraser University, 2002
BSc, Molecular Biology and Biochemistry, Simon Fraser University, 2002
PhD, Chemistry, Simon Fraser University, (IP)
Focus of Study: I am currently working towards my Ph. D in Materials Science.
Awards: Received the Graduate Scholarship.
Work Experience: Simon Fraser University
2001-2004
I taught first to fourth year chemistry courses and laboratories.

Kwantlen University College
2003
I worked as a chemistry lab instructor.
Skills & Achievements: I have 8 years of teaching experience in Chemistry, Physics, Mathematics, and Calculus, with students ranging from Grade 9 to fourth year university level. I teach in one-on-one basis as well as in a class of several hundred students.
Career Interests: Upon completion of my PhD, I plan to accept professorship at my former institution.


Outside Interests: I like snowboarding and fishing.
Additional Information: I am willing to work night shift.
Message to Students
and/or Parents:
I have experience teaching students ranging from Grade 9 to fourth year university level.
Postings Answered: 540
Cumulative OTA Rating: 4.9/5  What is OTA Rating?
Top Solutions Downloads
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  1. Synthetic division, functions, interest - A geologist you spoke with is concerned about the rate of land erosion around the base of a dam. Another geologist is studying the magma activity within the earth in an area of New Zealand known for ...
  2. Trigonometry Application Word Problems : Matrices, Incline, Magnitude and Area - Researchers at the National Interagency Fire Center in Boise, Idaho coordinate many of the firefighting efforts necessary to battle wildfires in the western United States. In an effort to dispatch fir ...
  3. Graphs and Linear Functions - Please see the attached file for the fully formatted problems. --- - How do I find the formulas with substituted values and show the final calculated answer with units? - I have also highlighted in ...
  4. General Chemiistry - Lab Data: Combined 0.25g Zinc plus 15mL of 6 moles HCL resulted in: 150mL flask 14.92mL of liquid vol. 135.08 mL of gas vol. Chemicals inside: HCL H2O Unknown O2 moles 0.001120 vol 135.08mL ...
  5. Balance the following equation and determine the sum of the coefficients of the products - 1) Balance the following equation and determine the sum of the coefficients of the products. ___NO2- + ___MnO4- + ___ H2O à ___ NO3- + ___ MnO2 + ___ OH- A. 3 B. 4 C. 5 D. 6 E. 7 2 ...
  6. 14 Chemistry Problems - 3.45 The pH of a solution that contains 0.818 M acetic acid (Ka=1.8x10-5) and 0.172 M sodium acetate is a. 4.077 b. 5.432 c. 8.568 ...
  7. Mole, Empirical and Stoichiometry Calculations - Mole Calculations (Determining Avogadro's Number): 1. Calculate the mass of carbon in a diamond that contains 3.33 x 1024 atoms of C. 2. Calculate the mass of chloroform that contains 1,000,000,000 ...
  8. Chemistry - 1. What is the solubility (in M) of PbCl2 in a 0.15 M solution of HCl? (Ksp PbCl2 = 1.6 x 10-5) a. 7.1 x 10-4 b. 1.1 x 10-4 c. 2.0 x 10-3 ...
  9. Chemistry - 1. Given the following table of Ksp values, determine which compound listed has the smallest solubility. compound Ksp CdCO3 5.2 x ...
  10. Mass of Planets, Gravitational Acceleration and Period of a Pendulum - Find the mass and the radii of the planets Mercury, Neptune and Pluto, masses in kilograms and radii in meters. With that data calculate the gravitational acceleration on each of the planets in kilog ...
  11. Newton's law of gravitation - Please see attachment. --- Learning Goal: To understand Newton's law of gravitation and the distinction between inertial and gravitational masses. In this problem, you will practice using Newton ...
  12. Charles' Law, Gay-Lussac's Law & Combined Gas Law - 1. What is the final volume of argon gas if 2.50 L at 705 torr is compressed to a pressure of 1550 torr? Assume the temperature remains constant. 2. Calculate the volume of chlorine gas at 20°C and 7 ...
  13. Acid Equilibrium; Titratable Acidity - If 500mg/L lactic acid is added to pure water and you add NaOH until the pH = 3.1, what are the final amounts of each species in the acid equilibrium? What is the titratable acidity? The formula f ...
  14. Law of Definite Proportions - 1. Calculate and record the following for the experiment performed with 20g KClO3: (a) mass of the crucible with manganese(IV) dioxide (in grams): 53.300g (b) mass of the crucible afte ...
  15. Equations - In the real world, what might be a situation where it is preferable for the data to form a relation but not a function? There is a formula that converts temperature in degrees Celsius to temperature ...
  16. 10 Chemistry Problems - 11. The half-life of a first-order reaction is 13 min. If the initial concentration of reactant is 0.085 M, it takes _____ min for it to decrease to 0.055 M. a. 8.2 b. 11 ...
  17. Far in space, where gravity is negligible... - (See attached file for full problem description with units and diagram) --- Far in space, where gravity is negligible, a 475 rocket traveling at 95.0 fires its engines. The figure shows th ...
  18. Bromination in methanol solvent - Cyclohexene undergoes bromination in methanol solvent to give trans-1-bromo-2-methoxycyclohexane. Draw a suitable mechanism to account for this.
  19. Benzene - 1. Benzene is an organic solvent with the formula, C6H6. It boils at 80.1oC and melts at 5.5oC. Benzene's density is 0.88 gm/ml, its heat of vaporization is 20.0 KJoules per mole, its heat of fusion i ...
  20. Physics Problem Set - 1. A loud speaker is placed between two observers who are 120m apart, along the line connecting them. If one observer records a sound level of 60.0dB and the other records a sound level of 90dB, how f ...
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