Determine absorbance of a solution that has been prepared
Determine the absorbance of a solution that has been prepared by taking the15.0 mL of the original red dye solution and diluting it to 100.00 mL if the absorbance of a solution of "red dye #3" is 0.75 at 480 nm.
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At this point, the person doing the laundry opens the lid, and a safety switch turns off washer. The tub smoothly slows to rest in 12.0 s. During how many revolutions does the tub turn as it is in motion?
You flip a coin 8 times. Find out the exact probability in % of getting tails on precisely 2, 3, or 4 of flips.
Find out and describe examples of at least two different measures of central tendency and one measure of variability from peer-reviewed psychology journals
The outdoor circular fish pond consists of a diameter of 4.00 and a uniform full depth of 1.90. A fish halfway down in the pond and 0.50 from the near side can just see the full height of a 1.84 tall person.
When the plant or animal dies it ceases replacing the carbon and amount of 14C starts parchment fragment was found that had about 76% as much 14C radioactivity as does plant material on Earth today. Determine age of parchment.
If a surface is illuminated with light of wavelength λ, the maximum kinetic energy of the emitted electrons is 1.1eV. When the wavelength .8λ is employed, the maximum kinetic energy of the emitted electrons rises to 1.92eV. When the
The constant pressure molar heat capacity of NH3(g) is given by Cp,m= a - bT + c/T2, where a, b, c are constants that determine how the heat capacity of NH3(g)varies with temperature.
A compound with a fragrant odor reacts with a dilute acid to give the two compounds, A and B. Compound B is identified as an acid consisting of 48.7% C, 8.1%H, and 43.2% O.
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