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Which end (blue or red) of the visible spectrum has the longer wavelength? Which has the higher frequency? How are the frequency and the period of a wave related?
Two hydrocarbons A and B each contain six carbon atoms and one C=C. Compound a can exist as both E and Z isomers but compound B cannot . however, both A and B on catalytic hydrogenation give only 3-methylpentane. draw structures and give suitable ..
A total of 24.33 ml of 0.00245 M EDTA was used to titrate 100.00ml of a water sample. An AA analysis of the sample determined that the Ca2+ concentration is 9.32 mg/L.
What can be a valid hypothesis for determining the mole ratios of the chemical reaction of baking soda with hydrochloric acid
A 2.52 g sample of a compound containing only carbon, hydrogen, nitrogen, oxygen, and sulfur was burned in excess O to yield 4.23 g of CO2 and 1.01 g of H2O. Another sample of the same compound, of mass 4.14 g, yielded 2.11 g of SO3. A third sampl..
what a friedel crafts acylationmechanism would look like using acetic anhydride as the source of the acyl
Consider the mechanistic step in the conversion of 1-butanol to 1-bromobutane in which bromide ion displaces water from the oxonium ion What evidence, if any, is there that this step involves backside attack by the nucleophile?
1. As mentioned before, our asteroid is in the shape of a sphere and has a mass of 1000 kilograms. Determine the density (in grams per cubic centimeter) of this asteroid if its diameter is known to be 1.2 meters. Useful information: 1 kg = 1000 g, 1 ..
If several large air bubbles entered the graduated cylinder filled with water when it was inverted into the water trough, what would the effect be on a plot of volume H2(g) vs. mass Mg?
how many kilojoules and kilocalories of heat are required to raise 40.0 g of water from -12 degrees Celsius to 130 degrees Celsius?
Use the angular overlap method to calculate the energies of both ligand and metal orbitals for trans {Cr(NH3)4Cl2}+, taking into account that ammonia is a strong sigma donor ligand than chloride , but chloride is a stronger pie donor. use the 1 an..
If you treat E.coli by suspending them in a solution that is 2.3 µM in drug, what is the ratio of drug molecules-to-DNA bases ([drug]/[DNA bases]) in your study? Assume that the drug easily crosses biological membranes.
a concentration cell consists of two h2h half cells. half cell a has h2 at 0.87 atm bubbling into 0.10 m hcl. half cell
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