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Would the solar panel work under a fluorescent or halogen light? Explain your response being sure to relate your observations to atomic energy and electrons.
We irridate an unknown atomic system, in the gas phase, with monochromatic UV radiation of wavelength 0.605x10^-7m and observe a sharp absorption line. All other absorption lines have higher wavelength.
The ksp for Al(OH)3 is 1.9*10^-33. what is the pH of a sauturated solution of Al(OH)3. ignore any hydrolysis
Consider the figure that shows the distillation apparatus. Describe the practical reasons behind the direction of the flow of water through the condense. It will not let me upload the picture of the figure. It keeps saying that there is an error? ..
Calculate: (a) The partial pressure of each component. (b) The mass fraction of methane. (c) The average molecular weight of the gas mixture. (d) The density of the gas mixture in kg/ m3. write the steps please
Calculate the molarity of a solution made by adding 26.1 mL of concentrated hydrochloric acid (37.3 % by mass, density 1.19 g/mL) to some water in a volumetric flask,
lemon juice has a ph of about 2.5. Assuming that the acidity of lemon juice is due solely to citric acid, that citric acid is a monoprotic acid,
a researcher plans to compare two treatment conditions by measuring one sample in treatment 1 and a second sample in
In an experiment conducted last Tuesday, the time it takes for a certain reaction to proceed seems to be related to the initial concentration of one of the reactants A.
A sample consists of, at most, 100 mg of impure salicylic acid. A student adds 1 mL of hot water and a boiling stick and heats the resulting mixture on the sand bath. Not all of the solid dissolves so the student continues to add hot water dropwise. ..
A 100ml sample of sodium bromide containde co104.62g of sodium bromide. upon evaporation, 6.280g of reside was obtained. frome this data calculate each of the folowing for the solution
How does the size of ions in a solution affect the solutions conductivity. Would you expect the conductivity of a solution containing an equal concentration of ions with a charge of +2 to be twice that of one containing ions with a charge of +1
As organic material degrades, CO2 is released into the microcosms. State the reactions by which this affects the alkalinity of the media including-1) the pH effect of higher CO2 concentrations in the media
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