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Two mercury manometers, one open-ended and the other sealed-end, are attached to an air duct. The reading on the open-end is 25 mm and the reading on the sealed-end manometer is 800 mm (both can be read accurately within ±0.5 mm). Determine the absolute pressure in the duct, the gauge pressure in the duct and the atmospheric pressure, all in mm Hg.
The energy of a photo is 3.16 times 10^-19J. what is the wavelength of the corresponding light what is the color of this light
Determine the density of Pb if the length of one of the sides of the cubic unit cell, s, is 4.9505 angrstroms and Pb packs into a FCC unit cell. units in g/cm^3
the growth rate drops 6 orders of magnitude and effectively reduces the crystallization rate to zero. Calculate the self-diffusion of this alloy system.
The specific heat of liquid water is 4.184 J/g x C. Calculate the energy required to heat 10.0 g of water from 26.5 C to 83.7 C.
F. Explain how Le Chatelier's Principle affects the extent of the dissociation of acetic acid in a buffer that is 0.10 M acetic acid and 0.10M acetate ion. Write the balanced chemical reaction for the two applicable equilibria.
Draw the Fisher structure of the following TRIPEPTIDE at pH 7.0: K-I-D
Question- In 2011, researchers showed that hypochlorous acid (HClO) generated by white blood cells kills bacteria. Calculate (Ka)=2.9X10^-8 the percent dissociation of :( A). 0.40 M HClO, (B) 0.035 M HClO
Scientists are working on purifying PFK-1C from rabbit brain tissue. The rabbit brain tissue was homogenized and centrifuged to remove insoluble material.
What are the origins of these signals? Why does the spectrum contain two other signals of roughly equal height? What are the origins of these signals
Suppose that, from measurements in a microscope, you determine that a certain bacterium covers an area
A solution is 40% acetic acid by mass. The density of this solution is 1.049 g/mL. Calcu late the mass of pure acetic acid in 480 mL of this solution at 20 C
Draw all steroisomers of pentane-1,2,3,4,5, pentaol using bold and hashed wedges. There should be two meso compunds and a pair of enantiomers.
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