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- For the reaction 5Ce4+ + Mn 2+ + 4H2 O → 5Ce3+ + MnO4- + 8H+ , given E0 (Ce4+ /Ce3+ ) = 1.70V,E0 (MnO4- /Mn2+ ) = 1.507V, calculate ΔG0 for this reaction ?Calculate ΔrH for the following reaction:P4(g) + 10Cl2(g) → 4PCl5(s)Express your answer to 4 significant figures. Use the following reactions and given ΔrH's:PCl5(s) → PCl3(g) + Cl2(g) ΔrH° = +157 kJ mol-1P4(g) + 6Cl2(g) → 4PCl3(g) ΔrH° = –1207 kJ mol-1From the attached solution where did you get this? = S CO2 (g) + S H2O (l) - [ S C6H12O6 (s) + S O2(g)] = (213.7 J/mol-K + 69.9 J/mol-K) - (212.0 J/mol-K + 205.1 J/mol-K)
- Calculate ΔrG° for the following reaction at 387 K. HCN(g) + 2H2(g) → CH3NH2(g) ΔrH°= -158.0kJmol-1; ΔrS°= -219.9JK-1 mol-1At constant pressure and 25 C, what is the Delta rH for the following reaction: 2C2H6 (g) + 7O2(g) --> 4CO2(g) + H2O(l) if the complete consumption of 12.5g of C2H6 liberates 752.3 kJ of heat energy?How would the equilibrium be affected in regards to the value of Qc or Kc for each of the following conditions?: Fe3+ (aq) + SCN- (aq) ⇌ FeSCN2+ (aq) Adding KSCN (aq) Adding Fe(NO3) (aq) Adding NaF (s) Placing the solution into a hot water bath Placing the solution into an ice bath (To whom this may concern, Could you at least explain one as simply as possible so I'm able to understand the others enough to explain them myself? Thanks in anvance!)
- 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)SCE // PO43- (aq) , Ag3PO4 (saturated) / Ag h a s a n I n d i c a t o r e l e c t r o d e t h a t i s a c h o o s e : l i q u i d m e m b r an e e l e ct r o d e m et a l l i c e l e c tr o d e of t he s e co n d k in d g l a ss el e c t ro d e m e t a l li c el e c t ro d e of t h e f i r st k i n dUse the following equilibria2CH4(g) <----> C2H6(g) + H2(g) Kc1 = 9.5 × 10-13CH4(g) + H2O(g) CH3OH(g) + H2(g) Kc2 = 2.8 × 10-21to calculate the value of Kc' for the following reaction:2CH3OH(g) + H2(g) <---> C2H6(g) + 2H2O(g) Enter your response in scientific notation, e.g. enter 2E3 for 2000
- 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 × 10-18Predict deltarH for this reaction: C2H4(g) + H2O(l) -> C2H5OH(l) using the enthalpy changes of the following reactions: C2H4(g) + 3O2(g) -> 2CO2(g) + 2 H2O(l); deltarH = -1411.1 kJ/mol-rxn C2H5OH(l) + 3O2(g) -> 2CO2 + 3 H2O(l); deltarH = -1367.5 kJ/mol-rxn Report your answer with units of kJ/mol-rxnIf you number is negative, include the negative symbol. If your number is positive, do not include the positive symbol.15.1 mg of β-carotene resulted in a blood plasma level of 43 nmol L-1 of Vitamin A.100% of the β-carotene is converted to Vitamin A (286 g mol-1), and that absorption of β-carotene occurs predominately in the small intestine in an aqueous volume of 600 mL, estimate the equilibrium constant for the reaction below:the ratio is 2 molecules of Vitamin A converted by enzymes from 1 molecule of β-caroteneVitamin A (intestine) ⇌Vitamin A (plasma)