Consider the reaction Sr(s) + FeOH+ (aq) + H3O+(aq) = Sr2+ (aq) + Fe(s) + 2H2O(l)....
ID03/2 hul the lune strength is due solely to the O 0.562 7.5 x 10-3 O 5.2 x 10-3 4.2 x 10-3 4. Magnesium fluoride (MgF2) is a sparingly soluble salt. It has Kp = 7.4x10-9. Calculate the concentration of fluoride ion in a saturated solution of MgF,. O 1.2 x 10-3 M O 2.5 x 10-3 O 7.4 x 10-9 O 6.3 x 10-5 5. Consider the reaction Sr(s) + FeOH(aq) + H2O + (aq) Sr2+ (aq) + Fe(s)...
The equilibrium constant for the reaction Sr(s) + Mg2+(aq) ⇌ Sr2+(aq) + Mg(s) is 3.69 × 1017 at 25°C. Calculate E o for a cell made up of Sr / Sr2+ and Mg / Mg2+ half-cells. V
Equilibrium Consider the following equilibrium: CH 3COOH(aq) + H 20(1) = CH 3COO "(aq) + H 30 +(aq) What would be the effect of adding sodium acetate (CH 3COONa) a strong electrolyte to the reaction and what would happen to the pH of the solution? a. the equilbrium will shift to the right and the pH will decrease O b. the equilibrium will shift to the left and there will be no change in pH O c. the equilbrium will...
A galvanic cell at a temperature of 25.0°C is powered by the following redox reaction: 2VO+2(aq)+4H+(aq)+Fe(s)->2VO+2(aq)+2H2O(l)+Fe+2(aq) Suppose the cell is prepared with 3.82 M VO+2 and 1.96 M H+ in one half-cell and 4.70 M VO+2 and 6.88 M Fe+2 in the other. Calculate the cell voltage under these conditions. Round your answer to 3 significant digits.
Consider an electrochemical cell based on the following reaction: Zn(s) + 2H2O(l) + 2OH-(aq) ⇄ [Zn(OH)4]2-(aq) + H2(g) All dissolved species are at 2.5 x 10-3 M; pressure of H2 is 1 bar (standard state) Use the Nernst equation to calculate E.
Given the reaction Sn(s)+ 4OH-(aq)+ 2Pt2+(aq)⇌SnO2(s)+ 2H2O(l)+ 2Pt(s)for which E°cell= 2.13 V, what is the value of Ecell, in volts, when the [OH-] = 1.00x10-5M and [Pt2+] = 3.00x10-3M at 25.0 °C?
Consider the balanced chemical equation. H2O2(aq)+3I−(aq)+2H+(aq)→I3−(aq)+2H2O(l) In the first 14.0 s of the reaction, the concentration of I− drops from 1.000 M to 0.817 M Predict the rate of change in the concentration of H2O2 (Δ[H2O2]/Δt). Express the rate to three significant figures and include the appropriate units. (I understand the arithmetic, but I'm having a tough time with the units)
Consider the neutralization reaction 2 HNO, (aq) + Ba(OH)2 (aq) + 2H2O(l) + Ba(NO),(aq) A 0.115 L sample of an unknown HNO, solution required 38.3 mL of 0.150 M Ba(OH), for complete neutralization. What is the concentration of the HNO, solution? concentration: 0.025
The following reaction is at equilibrium: 2 Fe(OH)3(s) ↔ Fe2O3(s) + 3 H2O(g); Ho > 0. Which of the following changes will result in a decrease in the concentration of water (gas)? 1. Increasing the temperature. 2. Decreasing pressure. 3. Adding a catalyst. 4. Adding some Fe(OH)3. 5. Decreasing the volume. 6. Removing some Fe2O3.
Consider the neutralization reaction 2 HNO, (aq) + Ba(OH)2(aq) + 2H2O(l) + Ba(NO),(aq) A 0.110 L sample of an unknown HNO, solution required 47.3 mL of 0.100 M Ba(OH), for complete neutralization. What is the concentration of the HNO, solution? concentration: