Which spectroscopy technique is more useful
Which spectroscopy technique is more useful, IR spectroscopy or UV-vis spectroscopy. What does does each one tells us?
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Did something go wrong in the experiment? If the extracted unknown is impure, why does it's melting point have a narrow range?
A state lottery randomly chooses six balls numbered from 1 to 40 you choose six numbers and purchase a lottery ticket. The random variable represents the number of matches on your ticket to the numbers drawn in the lottery.
200.0 L of a 0.200 M copper (II) chloride solution is reacted with 10.0 L of 3.00 M phosphoric acid and 2.850 kg of solid copper phosphate is produced.
A maximum flow rate of 6 CFS is available for a river model. This corresponds to 30,000 CFS for the prototype. What is the scale of the model in terms of the prototype size?
1 lb of steam in a rigid vessel is initially at 900 psia and 1400 F. The steam is cooled until the temperature drops to 550 F. The amount of heat removed from the steam is ____ BTU?
A singly ionized oxygen atom moves at 9300 m/s in a circular path perpendicular to a 0.80 T magnetic field. Find the radius and period of its circular motion. 1. Find the radius of its circular motion.
A 10.00 mL sample of H2SO4 is titrated with a 0.25M NaOH solution. Exactly 40.0 mL of NaOH is required to reach the end point. Calculate the molar concentration of the sulfuric acid. H2SO4 + 2NaOH -----> Na2SO4 + 2H2O
If the specific surface energy for aluminum oxide is 0.90 J/m2 and its modulus of elasticity is (393 GPa), compute the critical stress required for the propagation of an internal crack of length 0.4 mm.
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Jane is doing a study about tattoos. She is interested in studying the idea of the "tramp stamp" (a tattoo in the small of a woman's back).
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