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An electromagnetic radiation has a wavelength of 7.49 ×10^16 nm. What is the frequency of the electromagnetic radiation in s^-1? For your answer, only type in the numerical value with three significant figures. 1 m = 10^9 nm, c = 3.0 ×10^8 m/s.
If the heat of combustion for a specific compound is -1100.0 kJ/mol and its molar mass is 75.49 g/mol, how many grams of this compound must you burn to release 390.70 kJ of heat
A 50.0 mL sample containing Cd2 and Mn2 was treated with 69.6 mL of 0.0600 M EDTA. Titration of the excess unreacted EDTA required 11.9 mL of 0.0220 M Ca2
what are the H3O+ and OH- concentrarions in a 125 mL solution prepared with 0.100 mol pf NaOH and water?
Glutamine, glycine, aspartic acid, threonine, isoleucine and arginine form a hexapeptide. how many charged groups would this peptide have at pH 13. what are they
a compound with a partition coefficient kp of 0.5 betweensolvents a and b ab 0.5 is dissolved in 100 ml of a. which is
a) Calculate the potential of the two cells. b) Write the overall balanced redox equations for the reactions above. c) Calculate ?G for the conditions given for reactions above.
Write the structural formula and the name of the organic product that would result from the hydrogenation (addition of hydrogen) reaction of propene.
Find the vision statement for a company tell me why you like it....or don't like it. Describe it in 100 words or more.
How much water must be added to 516 mL of 0.181 M HCl to produce a 0.128 M solution? (Assume that the volumes are additive.)
What statement in incorrect about the following pairs of sugars? Galactose and mannose are diastereomers
Explain what mass of trisodium phospahte must be dissolved in 50mL of deionized water to produce a solution with total phospahte concentration of.190M
Problem- The base-dissociation constant, Kb for pyridine, C5H5N, is 1.4 x 10-9. The acid-dissociation constant, Ka for the pyridinium ion, C5H5NH++ is
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