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What are the degeneracy of the first six levels for an electron in a cubicul (3-dimensional) box with box length, L = L(x) = L(y) = L(z) = 1.00pm
electrons can be used to probe the arrangement of atoms on a solid surface if the wavelength of the electrons is
Calculate the pH of the solution after the addition of 100mL of 1.00 M HCL. the Ka for Hf is 3.5*10-4
Use values of Ksp and Kf for copper (II) hydroxide and its complex to predict if a precipitate should form in a 0.1 M Cu2+ solution that is 3 M OH-. Ksp Cu(OH)2 = 1.3*10^-20 and Kf Cu(OH)42- = 1.3*10^16
if air contains 78 n2 by volume what is the solubility of n2 in water of 25oc and 1 atm henrys constant kh for n2 in
Choose the element with the more negative (more exothermic) electron affinity from each of the following pairs.
Consider an electrochemical cell constructed from the following half cells, linked by a KCl salt bridge. • a Fe electrode in 1.0 M FeCl2 solution
a sample of gas occupies 15.0 liters at a pressure of 2.0 atmospheres and a temperatures of 300 k. if the pressure is
2 components mixture give the tlc shown when 1:1 mixture of hexanes:ethyl acetate is used as the developing solvent which components is more polar and how can you tell?
Identify each of the following substances as ionic, polar covalent, or nonpolar covalent. Also predict its solubility in water. 1. Calcium chloride (CaCl2) 2. Pentane (C5H12) 3.Methyl alcohol (CH3OH)
There are three isomeric dichlorocyclopropanes. Their 1H NMR spectra show one signal for isomer 1, two signals for isomer 2, and three signals for isomer
In aqueous solution, which of the following would be an acid according to the definitions of the Arrhenius, the Brønsted-Lowry, and the Lewis theories?
A 2.0 L container is charged with a mixture of 6.0 moles of CO(g) and 6.0 moles of H2O(g) and the following reaction takes place: CO(g) + H2O(g) CO2(g) + H2(g) When equilibrium is reached the [CO2] = 2.4 M. What is the value of Kc for the reacti..
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