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Please write out equation used, indicate the values used or ICE tables, when necessary. 4) Calculate...
Please write out equation used, indicate the values used or ICE tables, when necessary. 15) The solubility of Bilz in water is 1.32 x 10-5 M. Calculate Kar of this compound.
Calculate the molar solubility of CaF2 in each of the following solvents. Ignore any potential reactions of the ions with water. Ksp = 4.0 x 10-11 a) water b) 0.25 M NaF
Please write out equation used, indicate the values used or ICE tables, when necessary. 3) Calculate the pH of each of the following mixtures. A. B. 500 ml 0.35 M KOH + 500 ml 0.25 M HNO3 500 ml 0.35 M CH3CH2NH2 + 500 ml 0.25 M HNO3 C. 500 ml 0.35 M HCl + 500 ml 0.25 M CH3CH2NH2 D. 500 ml 0.35 M HF + 500 ml 0.25 M KOH
Please write out equation used, indicate the values used or ICE tables, when necessary. 7) Consider a galvanic cell based on the following two half reactions. Au3+ + 3 e Au? &_= +1.50 Agt + 1 e Ago & +0.80 Draw the appropriate battery, labeling cathode, anode, oxidation, reduction, direction of electron and ion flow. Calculate the voltage generated if [Ag+] = 0.25 M and [Au3+] = 1.25 M. Assume temperature is near standard conditions.
Please write out equation used, indicate the values used or ICE tables, when necessary. 16) The pH of some solution is 4.246. What is [H+] and [OH-] ? If the concentration of acid is 0.592 M, what is Ka of this acid
Please write out equation used, indicate the values used or ICE tables, when necessary. 6) At what temperatures are the following reactions spontaneous? a) AH° = -35 kJ/mol; AS° = -75 j/Kimol b) AH° = -35 kJ/mol; AS° = +75 j/K mol c) AH° = +35 kJ/mol; AS° = -75 j/Kimol d) AH° = +35 kJ/mol; AS9 = +75 j/Kimol
Please write out equation used, indicate the values used or ICE tables, when necessary. 8) The radioactive nuclide 235U decays by a series of a-and B- particle productions, ultimately ending at 207Pb. How many of each type of particle are generated during the decay series?
Please write out equation used, indicate the values used or ICE tables, when necessary. 11) At flea market, you come across a painting advertised as being a Rembrandt. You suspect a froud, Analysis of the painting shows a 14C activity of 15.1 counts per minute per gram. Living wood gave 15.3 counts/min:g, How old is your painting? T1/2,140 = 5730 years
Please write out equation used, indicate the values used or ICE tables, when necessary. 12) a) Is the reaction shown below spontaneous under standard conditions? P4010(s) + 16 H2(g) 4 PH3(g) + 10 H2O(g) b) Calculate Kr for this reaction. c) Calculate AG if the amount of chemicals is adjusted to 5.6 g P4010, 2 atm H2, 0.35 atm PH3, and 0.58 atm water?
Please write out equation used, indicate the values used or ICE tables, when necessary. 10) What mass of Co metal will be produced in one hour if 1.52 amps of electricity is passed through a solution of Co2+? F = 96,485 C/mol