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Please write out equation used and indicate the values used where in each equation. ICE tables,...
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
2) Calculate the pH of each of the following solutions. a) 0.35 M H2SO4 b) 0.35 M HCN c) 0.35 M KOH d) 0.35 M CaBr2 e) 0.35 M KCN f) 0.35 M CH3CH2NH2 g) 0.35 M NaHSO4 h) 0.35 M CH3CH2NH3Br
Please write out equation used and indicate the values used where in each equation. ICE tables, where applicable. 1) Methanol, a common laboratory solvent, poses a threat of blindness or death if consumed in sufficient amounts. The problem is not the alcohol itself, but its oxidation products formaldehyde (embalming fluid) and formic acid. An equilibrium is quickly established, as shown below. CH3OH(a) 11 H2CO (ag) + H2(aq) Assuming the value of Keq for this reaction is 3.7 x 10-10, what...
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
Ka was not given, can it be looked up? Please write out equation used, indicate the values used or ICE tables, when necessary. 14) a) Calculate the pH of the following buffer. 0.056 M HCN with 0.048 M KCN b) Calculate the pH of the buffer after the addition of 0.005 moles HCl to 500.00 ml of the buffer. Assume the volume is not affected by the addition of the acid.
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. 15) The solubility of Bilz in water is 1.32 x 10-5 M. Calculate Kar of this compound.
Please write out equation used, indicate the values used or ICE tables, when necessary. 4) Calculate the molar solubility of CaF2 in each of the following solvents. Ignore any potential reactions of the ions with water. Kap 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. 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. 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