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Evaluate reversibility of a process where an ideal monoatomic gas is first slowly compressed 10-fold by a gradually increasing external pressure (gas remains in thermal equilibrium with the surroundings) and then the pressure is rapidly removed allowing gas to expand against it initial pressure
What is the wavelength (in nm) of the photon absorbed for a transition of an electron from n_initial=1 that results in the least energetic spectral line in the ultraviolet series of the H atom
Consider the following process. which of the following correctly applies? chose answere from the following answers. (a) termination step (b) polar reaction (c) unsymmetrical bond formation (d) produces a radical
A bottle of wine consists of an 11 weight percent solution of ethanol (C2H5OH) in water. If the bottle of wine is chilled to -20^oC, will the solution begin to freeze
from the IR, 1H NMR spectrum and uv values decide what functional groups are present in the compound and deduce any other structural information you can, such as existance of conjugation in the carbonyl compound.
What is the gas pressure (in atm) inside a 1.89-L bulb that contains 1.56-g of Ne at a temperature of 21.1 C? Be sure to report the units as atm
Why is sodium hydroxide added to the solution of thiamine hydrochloride
An aqueous solution containing 0.003 M NaCl and 0.005 M CaCl2 is mixed with the polysaccharide alginate to create a high-viscosity liquid that is a component of a wound dressing
Two different solutions were prepared. Solution A was prepared by dissolving sodium acetate in methanol and solution B was prepared by adding potassium methoxide to acetic acid.
What is the pH of a solution that has an initial concentration of 0.25 M oxalic acid and 0.35 M oxalate ion? Consider only the first ionization of oxalic acid (Ka = 5.9 x 10-2).
The human body obtains 1078 kJ from a candy bar. If this energy were used to vaporize water at 100°C, how much water in liters could be vaporized
How many moles of H+ are in 1.000 mL of the aqueous 2.500 molar HCl solution mentioned above. What is the normality of solution mentioned above. How many H+ ions are present in 1.000 mL of this solution
A volume of saline solution weighed 25.6 g at 4 degrees celsius. An equal volume of water at the same temperature weighed 24.5 g. What is the density of the saline solution
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