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What is the wavelength of light having a frequency of 5.4 x 10^13 Hz? What is the frequency (in Hz) oflight having a wavelength of 8.26 x10^2 nm? Answer in scientific notation for both.
what is the pH of a solution made by mixing 30.00mL of .10M acetic acid with 40.00 mL 0f .10M KOH? Assume the volumes are additive and Ka=1.8*10^-5 for CH3CO2H
During the laboratory exercise you will need 100.00mL of a 0.20M Ni^+2 solution and 25.00ml of a 0.10M Co^+2 solution. You will prepare the Ni^+2 solution from solid NiSO4 (X) 6H20 and the Co^+2 solution from solid Co(NO3)2 (X) 6H20
Helium is compressed isothermally and reversibly at 100 celcius from a pressure of 2 to 10 bar
Arrange the elements in order of decreasing ionization energy N MG O F Al
Then 1.00 mL of a 10.9 mM Lithium standard was added to 9.00 mL of serum, and this spiked serum gave an intensity reading of 721 units. What is the original concentration of Li in the serum?
gave straight line relationship. It took 52.3 seconds for concentration of A to decrease from 0.667 M to 0.117 M. What is the half life of the reaciton when [A]o = 0.667 M?
This question has been asked several times and there appaer to be two different answer and no clear answer on who is right. (One response says the answer is wrong) Calcutlate E red involving Pd
What mass of H2 forms if 12 grams of Zn reacts with 7 grams of HCl?
If you dilute 25.0 of the stock solution to a final volume of 0.460 , what will be the concentration of the diluted solution?
Calculate the cell potential, , for this galvanic cell and ΔG for the cell reaction at these conditions.
A student collects 22.4 mL of a gas by the process of water displacement at a temperature of 0 °C. If the barometric pressure is 764.6 torr and the vapor pressure of water at 0 °C is 4.6 mmHg,
Calculate (a) the mole fraction of the solute, (b) the number of moles of solute in the solution, and (c) the molecular mass of the solute.
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