ct one: a. III, II, IV, I b. III, IV, II, I H 1 = NH₂ || IV NH2₂

10. The ionization constant for HNO2 is 2.70 x 10-6 at 25 oC. Determine the standardfree energy change for the ionization: NO2- (aq) + H2O (l) ------ HNO2 (aq) + OH- (aq)A. 31.77 kJ/mol B. 38.10 kJ C. 58.10 kJ/mol D. 40.20 kJ/mol E. 48.10 kJ/mol

When a mixture containing cations of Analytical Groups I–III is treated with H 2S in acidic solution, which cations are expected to precipitate?   a. Analytical Group I only   b. Analytical Group II only   c. Analytical Groups II and III   d. Analytical Group III only   e. Analytical Groups I and II

The elements sodium, aluminum, and chlorine are in the same period.. (a) Which has the greatest electronegativity?. (b) Which of the atoms is smallest?. (c) Write the Lewis structure for the simplest covalent compound that can form between aluminum and chlorine. (d) Will the oxide of each element be acidic, basic, or amphoteric?

1. In which species does bromine have an oxidation number 0? 2. Balanced molecular equation for complete neutralization of H2SO4 by KOH in aq solution is?

(M) (M) (M) (M) (M) M 1req 1req 1req 1req 2req 2req 1req M M (M ICHIG, a. PbCl, lead(II) chloride O correct Oplumbous chloride Olead(IV) chloride Olead chloride b. CuS, copper(II) sulfide Ocorrect Ocopper sulfide Ocopper(II) sulfite Ocopper sulfite c. PbBr2, plumbic bromide Ocorrect Olead(IV) bromide Olead(II) bromide Olead bromide d. LiI, lithium(I) iodine correct lithium iodide Olithium iodine lithium(I) iodide e. NiO, nickel(I) oxide correct nickelium oxide nickel oxide nickel(II) oxide Show Hint [Review Topics] [References] Learning Previous N Sa

You have been contracted to determine how different salts affect the pH of water. Which of the solids in the following set should you test to investigate for the effects of anions on pH? O RbF O KCIO O AIBr3 O Rb2SO3 O CrCl3

The solubility products for a series of iodides area. CuI Ksp = I X 10-12b. AgI Ksp = 8.3 X 10-17c. Pbl2 Ksp = 7.1 X 10-9d. BiI3 Ksp = 8.1 X 10-19List these four compounds in order of decreasing molar solubility ina. water.b. 0.10 M NaI.c. 0.010 M solution of the solute cation.

1:26 PM Online teaching and X now.com/ilrn/takeAssignment/takeCovalentActivity.do?locator assignment-take&takeAssignmentSessionLocator ags Review Topics] References Use the References to access important values if needed for this question. The acid ionization constant for Cu(H20)6 (aq) is 1.0x10. Calculate the pH ofa 0.0208 M solution of 2+ Cu(NO3)2 pH = Submit Answer Retry Entire Group 4 more group attempts remaining Visited Next O verizon

Provide conditions for the following reactions (images attached)