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Find the pKa. For an acid HA, the concentrations of HA and A^- are 0.075 and 0.025, respectively, at pH 6.0. What is the pKa value for HA?
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Chosen Dr. Jan Nolta- Stem Cell Researcher Head of UC Davis Stem Cell Program Director Topic Background: early Stem cells have the ability to develop into many different types of cells. Stem Cell Research is not without ...
2Cr(OH) 3 + 3Br 2 + 10OH - 6Br - + 2CrO 4 2- + 8H 2 O In the above redox reaction, use oxidation numbers to identify the element oxidized, the element reduced, the oxidizing agent and the reducing agent.
You take a small section of leaf and view it underneath a microscope. You count 25 stomata. Now you want to calculate how many stomata would be in a leaf the size of a penny. a) Calculate the area of the view of view (A= ...
What are the equations for Molarity, molality, density, ppm, ppb, mass percent, Volume percent, and mole percent?
How do I calculate the number of molecules needed for lethal dose? I am given the chemical name's LD50 and the "Estimated Lethal Dose (in grams) for 60kg human.
What changes would you expect to see in the liver cells of someone suffering from chronic alcoholism?
Write the null hypothesis for the effect of temperature on catechol oxidase activity?
Experiment 1: Symmetry in Common Objects Review the objects listed below (many of which can be found in your lab kit). Decide what type of symmetry they possess. Explain why you chose the type of symmetry you did. 1. Saf ...
If you diluted 1 ml of a sample into 9 ml of water, then took 1 ml of that and diluted into another 9 ml of water, and did that another two times, what is fold the dilution factor?
A man and woman, both with normal vision, have (1) a color-blind son who has a daughter of normal vision; (2) a daughter of normal vision who has one color-blind son and one normal vision son, and (3) another daughter of ...
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Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate
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