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A laser produces 20.0 mW of red light. In 1 hour, the laser emits 2.29 X 10^20 photons. What is the wavelength of the laser?
write equations for the preparation of the grignard reagent fromalkyl halide and for the reaction between the grignard
How many milliliters of an aqueous solution of 0.180 M manganese(II) bromide is needed to obtain 12.8 grams of the salt ?
A wastewater treatment plant serves a population of 83, 355 people. If its primary sedimentation tank can remove 55% of the incoming solids, how much primary sludge should be produced each week
Acetominophen is a weaker acid than carbonic acid but asprin is a stronger acid than carbonic acid. prepare the flow chart diagram like the one in this experiment, showing the procedure that can be used to separate the a mixture of sucrose, aspiri..
Using structural formulas, and arrows to show electron movement, write reaction mechanisms for the pyrolysis of the aryl sulfonate ester to produce alkene(s) assuming that: (a) the mechanism is E1, and (b) the mechanism is E2.
A weather balloon with a 2-meter diameter at ambient temperature holds 525 grams of helium. What type of electronic probe could be used to determine the pressure inside the balloon
A volume of 275 mL of a solution of potassium hydroxide at 0.14 M is added to a sample of 3.00 x 102 mL of a solution of aluminium chloride at 0.11 M.
Determine the concentrations of the following ionic species present in a 0.333 M solution of the diprotic acid H2SO3. For H2SO3, Ka1 = 1.4E-2, Ka2 = 6.3E-8.
Greg Nard added an equivalent of 3,4-epoxy-4-methylcyclohexanol to an ether solution of methyl magnesium bromide and then added dilute hydrochloric acid.
Which one of these, E1, addition of H-X to alkenes, SN2, SN1, or acid catalyzed hydration of alkenes, does not have a reactive intermediate carbocation and why
In order to understand the prehistory of the Hawaiian island of Lana'i better, anthropologists Maria Sweeney, Melinda Allen, and Boyd Dixon used radiocarbon dating on charcoal found in an ancient dwelling site, the Kaunolu Village National Histor..
What is the pH of the resulting solution if 30.00 mL of 0.10 M acetic acid is added to 10.00 mL of 0.10 M NaOH? Assume that the volumes of the solutions are additive. Ka = 1.8 × 10-5 for CH3CO2H.
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