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RGB color television and computer displays use cathode ray tubes that produce colors by mixing red, green, and blue light. If we look at the screen with a magnifying glass, we can see individual dots turn on and off as the colors change. Using a spectrum of visible light, determine the approximate wavelength of each of these colors. What is the frequency and energy of a photon of each of these colors?
Convert the number of ml of bottled water used in each sample titration to Liters. (enter your answer with 3 significant figures)
What is the pH of a solution made by mixing 30.00 mL of 0.10 M acetic acid with 30.00 mL of 0.10 M KOH? Assume that the volumes of the solutions are additive. Ka = 1.8 × 10-5 for CH3CO2H.
Find the maximun number of moles of PbCl2 that can be dissolved in 1.00 L of 0.30 M NaCl(aq) at 25 degrees celsius, given that Ksp = 1.7 x 10^-5 fpr PbCl2 at 25 degrees celsius.
give full mechanism: show the base-catalyzed formation of the monobutylated product from 1-chlorobutane and diethyl malonate
When 1.5173 of an organic iron compound containing C, H, O, and Fe was burned in O2, 2.838 g of CO2 and 0.8122 g of H2O were produced. In a separate experiment to determine the mass
What factors determine whether a collision between two molecules will lead to a chemical reaction? According to the collision model, why does temperature affect the value of the rate constant?
A standard solution of 86% (w/w) H3PO4 (specific density = 1.71 g/mL) is to be diluted to get a1200 mL H3PO4 solution at 4.00 M. How many mL of the standard H3PO4 solution are required?
at 884 k the equilibrium conditions for the reactionpcl5s h2ol 2 hclg pocl3g are pcl5 0.714 m h2o 2.66 m hcl
Examine the following molecule, CH3CH2CCCHCHCH2CH2CBr3. Numbering the carbon atoms from left to right, which three atoms would you predict the bond angle to be the largest
A sophisticated ultraviolet/visible/near-IR instrument has a wavelength range of 185 to 3000nm. What are its wavenumber and frequency ranges
Arrange the items on the food chain according to increasing mercury levels: microorganisms, people, small fish, and sharks.
Gaseous HBr has an absorption band centered at about 2645 cm-1 consisting of a series of lines approximately equally spaced with an interval of 16.9cm-1.
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