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Problem- A photon has a wavelength of 685 nm. Calculate the energy of the photon in joules. Enter answer in scientific notation.
I am in urgent need of solution of above problem with complete explanation
Assuming that the limits of the visible spectrum are approximately 380-700nm, find the angular range of the first-order and second-order visible spectrum produced by a plane grating that has 900 grooves/mm with the incident source radiation normal..
Explain what is the mass of the solid NH4Cl formed when 80.0 g of NH3 are mixed with an equal mass of HCl?
Nitrosyl bromide, NOBr, is formed in the reaction of nitric oxide, NO, with bromine,Br2 : 2NO(g)+Br(g) 2NOBr(g) The reaction rapidly establishes equilibrium when the reactants are mixed
Examples are BrCl, IBr, BrF, and ClF. Which compound is expected to have the highest boiling point aqt any given pressure? Please explain why
A 13 mL sample of a solution of Pb(ClO3)2 was diluted with water to 19 mL. A 15 mL sample of the dilute solution was found to contain 0.025 moles of Pb2+. What was the concentration of Pb(ClO3)2 in the original undiluted solution
A solution is made by adding 0.51 mol of lithium hydroxide (LiOH) in enough water to form 5 L of solution. Calculate the pH.
Much commercial hydrochloric acid is prepared by the reaction of concentrated sulfuric acid with sodium chloride:
how many grams of water are formed when 5.00 g of butanol combust with excess oxygen according to the reaction shown
Use Le Châtelier's principle to explain how adjusting the pH enables the control of C2O42- in a solution of oxalic acid, H2C2O4. Select all that apply
State a detailed mechanism for the formation of ethyl acetate from ethanol and acetic acid with H2SO4 as catalyst. B) Explain how does concentrated H2SO4 catalyze an etherification reaction. Explain
Consider a chromatogram containing a single analyte with retention time of 4 minutes. The mobile phase elution time is 0.2 minutes. What is the capacity factor (k') for the analyte in question?
The decomposition of hydrogen peroxide is catalyzed by iodide ion. The catalyzed reaction is thought to proceed by a two mechanism reaction
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