The decomposition of N2O5 takes place in carbon tetrachloride at room temperature according to the equation, 2 N2O5 (soln) → 2 N2O4 (soln) + O2 (g). The rate constant is 2.35 x 10−4 s−1 at 293.0 K and 9.15 x 10−4 s−1 at 303.0 K. Calculate Ea for this reaction.

Which of the following statements is true? a. elements in the last period are radioactive. b. atomic weight is the same as atomic mass. c. elements in the same group have the same number of electron shells. d. atomic number equals the number of neutrons in the nucleus of an atom.

Describing intermolecular forces use the drop down menus to match the type of intermolecular force to its name dipole dipole interactions dipole induced dipole interactions london dispersion forces hydrogen bond van der waals forces done

Select all that apply. using a value of ksp = 1.8 x 10-2 for the reaction pbcl2 (s) pb+2(aq) + 2cl -(aq). the concentration of the products yield a ksp of 2.1 x 10-2: