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Identify the factors that affect toxicity in a population. Pick three of the factors and provide a brief discussion on how that factor can affect the health of a population.
250 words
Suppose that, from measurements in a microscope, you determine that a certain bacterium covers an area of 1.50μm21.50\; \mu \rm m^2. Convert this to square meters
Solid Carbon dioxide goes directly from a solid to a gaseous state at -78 C cacualte the amount of heat required for sublimation of 30.5g of dry ice
How much energy (heat) is released when 1.52 moles of H2 reacts with 0.68 moles of Cl2 to create HCl(g) if the ΔHrxn = -184.6 kJ.
A gas occupies 4.04 L at 860 torr and 10C. What volume will it fill if the pressure is changed to 731 torr and the temperature is raised to 43C
Problem- The pKb values for bibasic base B are pKb1= 2.10 and pkB2= 7.39, calculate the pH at the flowing points in titration of 50.0mL of a .55M B with .55M HCl.
we need to dry something like protein and drugs, how to deal with them to avoid the deactivation phenomenon?
Calculate the final hydrogen ion concentration of a solution after 25.0 mL of 0.500 M HCl is treated with 40.0 mL of 0.0500 M Ba(OH)2(aq) and diluted to 100.0 mL.
When a 0.528 g sample of a compound containing only carbon, hydrogen, and oxygen is burned, 0.306 g of water and 0.815 g of carbon dioxide are formed. What is the empirical formula for this compound?
a proton in a linear accelerator has a broglie wavelength of 128 pm. what is the speed of the proton?
Naturally occurring cobalt consists of only one isotope, ^59Co, whose relative atomic mass is 58.9332. A synthetic radioactive isotope of cobalt, ^60Co, relative atomic mass 59.9338, is used in radiation therapy for cancer.
Question- One-hundred milliliters of 1.75 mM NaCl is mixed with 80.0mL of 3.20 mM MgCl2 at 20 degrees Celsius. Calculate the osmotic pressure of each starting solution and that of the mixture, assuming that the volumes are additive and that both s..
What undesired by-product could form if reactions involving benzyne are not done under anhydous conditions
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