Below is a Latimer diagram for S in basic solution. Construct a Frost diagram from the Latimer diagram for the section enclosed by the red box only. +6 +4 +2 -1 so -0.936 + so; -0.576 -0.742 -0.476 → HS -0.659 What is the balanced half reaction for the step SO,- S in basic solution?
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- Consider the reaction below at 25°C: 2MnO4(aq)+16H+(aq)+10Br(aq)2Mn2+(aq)+5Br2(l)+8H2O Use Table 17.1 to answer the following questions. Support your answers with calculations. (a) Is the reaction spontaneous at standard conditions? (b) Is the reaction spontaneous at a pH of 2.00 with all other ionic species at 0.100 M? (c) Is the reaction spontaneous at a pH of 5.00 with all other ionic species at 0.100 M? (d) At what pH is the reaction at equilibrium with all other ionic species at 0.100 M?[References] a) If the difference in the Gibbs free energy AG" is -4.0 kJ mol-¹ at 298 K. What is the Keq for this reaction? Do your calculation based on a value of the gas constant of R-8.314 J K-1 mol-¹ at 25°C. Make sure you use the appropriate units. Keg - b) What is the change in entropy of the reaction if AH-3.2 kJ mol-¹? Make sure to include the ALGEBRAIC SIGN in your answer. Make sure you use the appropriate units. KJ K-¹ mol-¹ AS-Oc. 12 L O d. 18 L Clear my choice n 8 How many Faraday is needed to deposit 6.0 moles of Sn from SnCl43 ed О а. 12.00 out of Оь. 24.00 uestion O c. 6.00 O d. 18.00 Determine the molality of a solution in which 5.3 grams of glucose C12H22011 are dissolved in 1484grams of water.
- Please provide the two methods by listing the reagnts over arrows for each step first arrows for your schemes is there.Calculate AS, and AH at 298 K. AG = -2 ±0.3 x 10² kJ E = 1.18± 0.001V at 298K T = 298K n = 2 F (OF) AS=nF AG=AH-TAS Where n is the number of electrons appearing in the reaction, F is the Faraday constantOf. iii, ii and iv. Og. ii. only For a certain chemical reaction at 54.0 °C, AH° = 382.0 kJ mol-1 and AS° = 534.0J K-1 mol-1. If the number of moles of electrons transferred in the reaction is 3, calculate E° for this reaction, in V. O a.-9.83 x 10 V O b. 1.810 V Oc.-7.16 × 10 V O d 1.220 O e. -1,400 V O f. 1.660 V I am a main group metal. My atomic radius is smaller than the atomic radius of the element with one fewer protons, but my + +1 ionic radius of the element with one fewer protons. Of the elements in my group, I am the one with third highest electroneg TO Which element am 1? of Type the element symbol for your answer in the box provided. For example if you think the answer is hydrogen you should type "H
- Calculate the theoretical oxygen demand (THOD, in mg/L O:) for the following solutions: a. 200 mg/L of phenol, CsH&O b. 30 mg/L of pentanol, C;H1:OH c. 50 mg L of C-H10O:S; (you may assume the "S" in the compound reacts to form SO,) Hint: use the half reaction approach to balance the given compound → CO: (+SO? for part c) for one half reaction and use O: → H0 for the second half reaction. Then use the balanced reaction to calculate the oxygen required to react the given concentration.8:51 AM Mon Dec 5 = S BIOL 286 E B Lecture Pow... Bb Lecture Pow... O ELECTROCHEMISTRY Recognizing consistency among equilibrium constant, free... cell A B A student made measurements on some electrochemical cells and calculated three quantities: • The standard reaction free energy AG. The equilibrium constant K at 25.0 °C. • The cell potential under standard conditions º His results are listed below. Unfortunately, the student may have made some mistakes. Examine his results carefully and tick the box next to the incorrect quantity in each row, if any. C Note: If there is a mistake in a row, only one of the three quantities listed is wrong. Also, you may assume the number of significant digits in each quantity is correct. Also note: for each cell, the number n of electrons transferred per redox reaction is 1. n 1 AA 1 1 Explanation 142. kJ/mol O calculated quantities (Check the box next to any that are wrong.) AG - 50. kJ/mol O - 46. kJ/mol O Check www-awu.aleks.com K 24 7.54 x 10 O…1. Nernst, Gibb's relationship to E° and equilibrium. Everything we've learned so far is inter-related. a. Fill out this concept map to link these things together mathematically: AG -EG, (prods)-G,(reacts) AG° = AH° -TAS AG = AG°- NON-STANDARD CONDITIONS STANDARD CONDITIONS E = K.K,,K,.K,,K.K, E cell 'K E-E,(ox) + E(red) b. What is the value of AG and Ecen at equilibrium? c. What are the signs of AG and Ecen when a reaction is spontaneous as written in the forward direction? d. What are the signs of AG and Ecen when a reaction is NON-spontaneous as written in the forward direction? e. What are the signs of AG°, Keo, and Ecel when REACTANTS are favored in a reaction? f. What are the signs of AG°, Keg, and E°ces when PRODUCTS are favored in a reaction? AG =-n FE
- app.101edu.co Question 20 of 52 Complete and balance the following half-reaction in basic solution. Be sure to include the proper phases for all species within the reaction. As(s) – AsHa(s) 14- 3 12 13- 4+ 1 4 6. 9. 12 O6 (s) (1) (g) (aq) OH H2O H3O+ e As Reset • x H2O Delete 8. 7. 3. 2.Calculate the AG for a reaction with AH = 25.0 kJ mol-1 and AS = 30.0 J K-1 mol-1 that is carried out at 25.0 °C.b) Determine the standard enthalpy change and std. Gibbs free energy change of reaction at 400 k for the reaction Co(g) +2H2(g) → CH;OH (g) At 298.15 K, AH?.co )= -26.41 kcal/mol, AH?.CH,OH()= -48.08 kcal/mol, AG.co )= -32.8079 kcal/mol, AG.CH,OH(@)= -38.69 kcal/mol, The standard heat capacity of various components is given by. CS = a + bT + cT2 + dT³, where C is in cal/mol-K and T is in K |Component b x10 e x105 d x10° a -0.291 CH3OH CO 4.55 2.186 -1.92 6.726 0.04 0.1283 -0.5307 H2 6.952 -0.0457 0.09563 -0.2079