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When considering the numerical values for the first six successive ionization energies of Al (measured in kJ mol-1), which statement is true? 1. the value for the second ionization will be smaller than the first 2. the value for the second and third values will exhibit the largest difference of any two consequitve values. 3. The sixth ionization energy will have the largest magnitude A. I only B. II only C. III only D. I and II only E. I and III only
Calculate the wavelength in nanometers of the spectral line in the visible spectrum of hydrogen for which n1 = 2 and n2 = 3. What color is this line?
The reaction that was on the screen when you started and its derivative demonstrate that the change in enthalpy for a reaction, Delta H, is an extensive property.
Calculate K for the reaction between glutamate and ammonia. (The standard free energy change for the reaction is +14.2 . Assume a temperature of 298 K.
Write the balanced chemical equation for the following reaction. Phases are optional. Solid iron(II) hydroxide decomposes to form solid iron(II) oxide and liquid water.
a solid block of exactly 100.0 cm cubed has a mass of 153.6g. Determine its density.Will the block sink or float on water.
Treatment of the bicyclic chloride A with lithium in tetrahydrofuran (THF) gave the monocyclic product B, C9H9Li. In deuterated THF, B exhibited a single proton NMR signal at 6.72 ppm
What is the concentration of CH3COOH (Ka = 1.8x10-5) in 50.0 mL of a 0.0187 M CH3COOH solution
What product would you expect to make? Propose a detailed reaction mechanism for this reaction. What by-products might be expected in this experiment?
Consider the following mechanism for the oxidation of bromide ions by hydrogen peroxide in aqueous acid solution. H+ + H2O2 ? H3O2+ (rapid equilibrium)
For which of the following would nitration (via Electrophilic aromatic substitution) occur in the ortho- and para- position?
Give the equations representing the first and second dissociations of oxalic acid. Calculate the value of the first dissociation constant K1, for oxalic acid if the value of the second dissociation constant K2 is 6.40 x 10 ^-5
what is the broglie wavelength of an electron moving at one-tenth the speed of light. mass of the electron = 9.109* 10^-28
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