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Use of de-Broglie equation in electromagnetic spectra.
a. What is the wavelength of the photon involved in this procedure?
b. To what region of electromagnetic spectrum does this correspond?
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Directions: "Refer back to equation (2), and consider carefully whether you could simply have used the pH value of the solution at the very beginning of the titration, before any base had been added, to determine either ...
1. A Rolaids tablet has 550 mg of calcium carbonate and 110 mg of magnesium hydroxide. a) Write the two neutralization reactions with stomach acid (assume HCl, don't combine reactions) b) If the acid concentration is 4.0 ...
A cleaning solution is found to have a [OH-] = 3.2 x 10 -12 M. What is the [H 3 O + ] and is the solution acidic or basic?
A mixture of gases has the partial pressures of 0.308 atm due to He, .259 atm due to N2, and the rest is due to O2. If the total pressure of the mixture is 752 mmHg, what is the partial pressure due to oxygen?
A 0.6745 gram sample of KHP reacts with 41.75 mL of KOH solution for complete neutralization. What is the molarity of the KOH solution? (Molecular weight of KHP = 204 g/mol. KHP has one acidic hydrogen.)
Consider a pipe with a length of 43.5 cm. If the temperature of the air is 19.5 oC and the pipe is closed in one end and open in the other, what is the frequency of the third harmonic for the pipe? Post your answer in he ...
Write the elemental symbol, with charge, for when Aluminum forms an ion and tell whether it is an anion or a cation. Think about whether it gains or loses electrons.
Using the following data, calculate the pressure of 1.00mol of Ar(g) in a 40.0L container at 25 degrees Celcius using both the ideal gas equation and the real gas equation. Why are these two values so different? (aAr=136 ...
For the reaction between permanganate ion and sufite ion in basic solution, the unbalanced equation is: MnO 4 - + SO 3 2- MnO 2 + SO 4 2- When this equation is balanced using the smallest whole number coefficients po ...
1. Show the alcohols you would obtain by reduction of the following carbonyl compounds: (a) CH 3 (b) (c) O CH 3 | || ...
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