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Which set of quantum numbers is not allowed?   A. n = 2, l = 0, ml = -1, ms = +1/2 B. n = 3, l = 2, ml = 0, ms = +1/2 C. n = 2, l = 2, ml = -2, ms = +1/2 D. n = 1, l = 0, ml = 0, ms = -1/2

The experimental data from the reaction A

Which of the following compounds has the highest solubility in pure water?                        A. CaSO4 (Ksp = 7.1 x 10–5) B. BaSO4 (Ksp = 1.5 x 10–9) C. AgBr (Ksp = 5.0 x 10–13) D. CoS (Ksp = 5.0 x 10–22)   

Which isotope consists of the least total number of subatomic particles? A.    B.    C.    D.        

The plot below shows best-fit lines for the average kinetic energy of electrons ejected from the surface of two metal samples as a function of the frequency of the incident light.  The slope values of these best-fit lines provide an estimate of:   A. Planck’s constant, h B. The work function, W, of the metal C. The Wavelength of the ejected electron D. The speed of light, c     

Which reaction will most likely have appreciable concentrations of all species present in the equilibrium mixture? A.                                      

What mass of Fe will be produced from the reaction of 20.0 g Fe2O3 with excess CO?                                 Fe2O3 (s)  +  3 CO (g)  

Which processes have a positive entropy change? I.   Mg (s)  +  Cl2 (g)  

Which charge distribution is not accurate? A.    B.    C.    D.   

Which pure substance will have hydrogen bonding as one of its intermolecular forces? A.     B.     C.   D. All compounds are able to form Hydrogen bonds