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- Given that E° = +0.897 V, calculate E at 25°C forPb(s) ∣ Pb2+(0.0400 M) ∣∣ Fe3+(0.200 M), Fe2+(0.0100 M) ∣ Pt(s) A) +0.779 VB) +0.935 VC) +1.015 VD) +1.134 V Thank you!Which processes shown in this figure involve the phasetransition H2O(l )----->H2O(g)?Using the following data to calculate Ksp for PbSO4. ε° PbO2 + 4H+ + SO42- + 2e-→ PbSO4(s) + 2H2O +1.69 PbO2 + 4H+ + 2e-→ Pb2+ + 2H2O +1.46 (Hint: Write the general reaction for PbSO4) a. 1.7 × 10-8 b. 5.9 × 107 c. 2.5 × 10-107 d. 4.0 × 10106 e. 3.4 × 10-18
- The free energy of the combustion of oxalic acid HC2H3O2 at 25.0 ºC is -246.05 KJ/mol. What is the equlibrium constant Ka at 25ºC?The Ksp of PbCl2 is 1.7x10-5 at 25oC. What is DGo? Is it possible to prepare a solution that contains Pb2+(aq) and Cl2(aq), at their standard-state concentrations?This reaction must have a ∆G<0 at SATP: Xe(g)+F2(g)→XeF2(g) 2Na(s)+Cl2(g)→2NaCl(s) 2NaF(s)+I2(s)→2NaI(s)+F2(g) MgSO4(s)→Mg(s)+S(s)+2O2(g)
- 1. Given the SEPs: Br2(l) + 2e- ↔ 2Br- E0 = 1.078 V Br2(aq) + 2e- ↔ 2Br- E0 = 1.098 V a. Calculate the Keq for the reaction: Br2(l) ↔ Br2(aq)If the concentration of Sn2+ ions in a solution of Sn(OH)2 was measured to be (1.41x10^-3), what is the Ksp value for Sn(OH)2?Assume that in a certain cell, the ratio of products/reactants or Keq = 614.9 (Keq is dimensionless) for the reaction Glucose + ATP <> Glucose-6-P + ADP, at a particular instant, the concentrations of each compound were Glucose =4.3M, ATP =10.5M, ADP =17.3M and G-6-P =23.5M. Calculate the difference (dimensionless) between Keq and the ratio of products/ractants at this instance, in this cell, to five significant figures.
- Calculate Eo for the following equation. Cr(s) + NO3-1(aq) →Cr+3(aq) + NO(g) Group of answer choices +0.213 V +0.844 V +1.701 V -1.701 V -0.644 V -0.844 V -0.213 V +0.644 VWhich of the following reaction will be NONSPONTANEOUS? a. Br2(aq) + 2I-(aq) → I2(aq) + 2Br-(aq) b. Mg(s) + Zn2+(aq) → Mg2+(aq) + Zn(s) c. 2MnO4-(aq) + 2H2O + 6H+(aq) → 5H2O2(aq) + 2Mn2+(aq) d. Cr2O72-(aq) + 3H2O2(aq) + 8H+(aq) → 2Cr3+(aq) + 3O2(aq) + 7H2OWhat is the equilibrium constant expression for the Ksp of Fe2S3?