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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.
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Calculate the concentrations at eqbm of H2CO3, HCO3-, CO32-, and H+ in a saturated aq solution of H2CO3 in which the original concentration of H2CO3 is 0.034M (Ka1= 4.3*10^-7, Ka2 = 4.8*10^-11)
Why soap changes the surface tension of water? And why adding water into penny, the average of water drops in 90oC temperature water is less than average of water drops in room temperature
Oxidative decarboxylation What is it? What are the reactants? What are the products? What is the net ATP gain? Where does it take place in prokaryotes vs eukaryotes?
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 ...
Why, biologically, is evolved resistance to crop pests inevitable?
Question - A pure strain of mendel's peas, dominant for all seven of his independently assorting genes, was testcrossed. How many different kinds of gametes could the F1 PRODUCE?
Diffusion and osmosis question In your large intestine, the water from the food you have eaten needs to be kept in the body to prevent dehydration. Therefore the high concentration of water in feces needs to be moved int ...
Bio Toxicology Lab Assignment - Based on the available information provided to you, lab work and lab reports, answer the following questions. 1) Potentially harmful chemicals are introduced into our environment every day ...
How do specimens move when put under the dissecting microscope?
If you have a bacterial contamination on your plate you should not flood it before decontamination or autoclave it could be a chance it spreads more in the work and could be a danger to the environment. For the environme ...
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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
Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p
Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As
Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int
Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As