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Provide a molecular-level explanation for why the absorbance of light increases as the concentration of dissolved food dye in a solution increases. To illustrate your explanation, include two molecular-level pictures of the particles in solution that demonstrate what you think the differences are between a more dilute dye solution and a more concentrated dye solution (one picture should be the dilute solution and one picture should be a more concentrated solution). Be sure your explanations and pictures are clear and understandable. Include labels/legends as needed to understand the pictures. Also, be sure that your picture and written explanation support each other.
Isoprene is a compoud composed only of carbon and hydrogen. It is 11.84%H. what is the emperical formula?
Calculate the potential of a galvanic cell with two platinum electrodes, the one immersed in a solution that is .0301 M in \(Fe^{3+}\) and .0760 M
orbits around a definite point in space made of neutrinos and electrons D) is not a definite point in space, but rather it is a cloud of smaller particles called quarks that deflect alpha particles
Calculate the time it takes to deposit 0.100g of copper from a copper sulphate solution if a 3.50 amp current
What is the pH of a dilute 0.00336 M solution of formic acid? Formic acid is monoprotic with a Ka of 1.70 x 10-4. You should use the quadratic equation for this one because the solution is very dilute.
Choose any two temperatures and corresponding vapor pressures in the table given, and use those values to calculate Delta H vap for mercury (in kJ / mol).
A 670 mL gas sample at STP is compressed to a volume of 284 mL, and the temperature is increased to 20C. What is the new pressure of the gas in Pa? Answer in units of Pa.
A 4.63 g sample of a molecular compound is dissolved in 103 g of tetrachloromethane (carbon tetrachloride). The normal boiling point of the solution is 61.51?C.
The analysis showed 92% CO2, 2.2% NO, 1.7%SO2 and 4.1%H2O by mass. what is the partial pressure exerted by nitric oxide (NO)
What is the total pressure (Ptot) in the container in torr? What is the partial pressure of argon (Par) in the container in torr?
What is the minimum amount of 5.2 M H2SO4 necessary to produce 23.0 g of H2? according to the following reaction. 2Al(s)+3H2SO4(aq)-->Al2(SO4)3 (aq)+3H2(g)
The substitution reaction of H2S-BH3 with NH3, which generates 2 product molecules, assuming that no species exceeds the octet rule. Given the following information:
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