C2 T12HW Question 12 Homework . Unanswered Fill in the Blanks If the solubility of iron...
C2 T12HW Question 12 Homework • Unanswered Fill in the Blanks If the solubility of iron (111) hydroxide is 1.49e-10 moles/liter, what is the Ksp of iron (Ill) hydroxide? Ksp is
C2 T12HW Question 11 Homework. Unanswered Fill in the Blanks Now try predicting solubility with a salt that is not 1:1 in cation:anion. If 5.0 ML of 10uM magnesium nitrate is mixed with 5.0 ul of 10uM sodium phosphate, will magnesium phosphate precipitate? Be sure to write the equilibrium and equilibrium equation carefully. Ksp for magnesium phosphate is: le-25. (Recall that u is the symbol for micro). Q =
C2 T12HW Question 9 Homework. Unanswered Fill in the Blanks if 50.0 mL of 0.02M barium nitrate is mixed with 50.0 mL of 0.001M sodium carbonate will barium carbonate (Ksp = 5.1e-9) precipitate out of solution? To solve this problem first compute Q for the net ionic equation Now, what is for this equation? Will a precipate form? (yes/no)
Topic 12 Homework C2 Homework . Due on November 11, 2019 Homework. Unanswered Fill in the Blanks Now review the meaning of solubility and its relationship to Ksp and equilibrium as you did in Question 7. Consider these three salts with their Ksp values: BaCO3(s); Ksp = 5.1x10-9 Ag2 CrO4(s); Ksp = 1.1x10-12 Ca3(PO4)2; Ksp = 2.0x10-29 What is the solubility of each of these salts in grams/100 mL of solution? To solve this problem start by determining the solubility...
C2 T12HW Question 6 Homework . Unanswered Fill in the Blanks Now for a challenge, compute the boiling point her altitude where the external pressure is 0.65 atm. The boiling point at that elevation is Additional Thermodynamic Data AH AGS AGO Substance (25°C kJ/mol) (25°C kJ/mol) (25°C J/mol-K) CH3NO2 (1) -112.6 -14.6 171.8 CH_NO2 (g) -74.3 -6.8 275.0 SO3 (s) -453.5 -374.2 70.7 S03 (1) -441.0 -373.8 113.8 SO2 (g) -395.7 -371.1 256.8
C2 T14HW Question 17 Homework . Unanswered Fill in the Blanks How long would it take to plate 5.00 grams of iron if a current of 5.18 A is passed through an Fe(NO3)2 solution? time = hrs
C2 T11HW Question 10 Homework. Unanswered Fill in the Blanks The acid dissociation constant for a weak acid HX is 3.2x10-9 at 25°C. Calculate the standard free energy of formation for X (aq) at 25°C. The standard free energies of HX(aq) and H (aq) are -203.1 kJ/mol and 0, respectively. AG= kJ/mol Unanswered Submit Fullscreen .. C2 TL1HW Question 11 Hmk .Unanswered
C2 T14HW Question 6 Homework • Unanswered Fill in the Blanks Consider the following redox reaction at 298K: 3Fe2+ (aq) + 2Cr(s) + 3Fe(s) + 2Cr3+ (aq) The total number of electrons transferred in this reaction = Eceu- AG°= kJ/mol (yes/no) Is the reaction spontaneous as written?
C2 T13HW Question 3 Homework - Unanswered Fill in the Blanks Balance the following redox reaction and then fill in the blanks below: _Mn0, (aq) +_Fe(s)+_H(aq) → _Fe? (aq) + _Mn? (aq) +_H2O(1) The coefficient in front of MnO, (aq) is The coefficient in front of Fe(s) is The coefficient in front of H aqlis The coefficient in front of Fe? (aq) is The coefficient in front of Mn?'(aq) is The coefficient in front of H2O(aqlis The total number of...
C2 T13HW Question 3 Homework Unanswered Fill in the Blanks Balance the following redox reaction and then fill in the blanks below: MnO (aq)+-Fe (s) + _H*(aq) - _Fe2 (aq) +Mn2 (aq) + _H2O (l) The coefficient in front of MnO (aq) is The coefficient in front of Fe(s) is The coefficient in front of H (aq) is The coefficient in front of Fe2 (aq) is The coefficient in front of Mn2 (aq) is The coefficient in front of H2O(aq)...