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Two spectral lines occur at 576.8217 nm and 577.1432 nm. If a grating monochromator has a reciprocal linear dispersion, D^-1, of 2.4 nm/mm, what is the maximum slit width, in mm, needed to achieve baseline seperation.
Phosphorylation of a serine residue on the dual function enzyme PFK2/FBP2 switches it from a kinase active, phosphatase inactive form to a kinase inactive, phosphatase active form
a student prepared aspirin in a laboratory experiment using the reaction. the student reacted 1.50g salicylic acid with 2.00g acetic anhydride. the yield was 1.50g aspirin. calculate the theoretical yield and the percent yield for this experiment.
A 0.451 M solution of a weak acid, HA, has a pH of 4.01. Calculate Ka for the acid. Use E notation and 3 significant figures.
All numerical answers must be reported to the correct number of significant figures. In a routine laboratory analysis, a technician prepare a solution containing 0.126 g of KMnO4 in a 0.250 L volumetric flask. What is the molar concentration (mola..
supposed 175 mmol of NH3 and 131 mmol of O2 are added to an empty flask how mych NH3 will be in the flask at equilibrium.
The rate constant for the second- order reaction.starting with a concentration of 0.86m, calculate the concentration of NOBr after 57s.
Calculate the electron affinity in kJ/mol for X in the hypothetical ionic compound MX from the information given below.
Using formal charges, draw the resonance form from among all the Lewis structures that is most important in describing BeCl2.
According to the following reaction, how many grams of silver chloride will be formed upon the complete reaction of 28.4 grams of copper(II) chloride with excess silver nitrate
1.56 g of a gas dissolves in 2.00 L of water at a pressure of 1.75 atm. At what pressure will 2.00 g of the gas dissolve in 2.00 L of water if the temperature remains constant?
The experiment all you observed rate law is rate =k [NO]^2 [Br2]. Show this mechanism is valid by deriving the rate law expression and showing that it is equal to the experimentally observed rate law
How many mL of 0.525M calcium chloride are needed to obtain 5.00x10 22 chloride ions.
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