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QUESTION 6 Consider the reaction below 2Na(l) + FeCl2(s) = 2NaCl(s) + Fe(s) for which Eºcell...
Consider the reaction below 2Na(l) + FeCl2(s) ⇌ 2NaCl(s) + Fe(s) for which E°cell = 2.25 V at 200°C. G° at this temperature is A. -520 B. -453 C. -414 kJ D. -376 E. -434
Part A. Consider the non-aqueous cell reaction 2Na(l) + FeCl2(s) --> 2NaCl(s) + Fe(s) for which E°cell= 2.35 V at 200°C. deltaG° at this temperature is what? *Do not include units in your answer. Report answer to 3 sigfigs Part B. A voltaic cell consists of an Au/Au3+electrode (E° = 1.50 V) and a Cu/Cu2+electrode (E° = 0.34 V). Calculate [Au3+] if [Cu2+] = 1.20 M and Ecell= 1.13 V at 25°C. *Do not include units in your answer. Report...
Consider the following reaction at 298K. Fe2+ (aq) + Ni (s) —> Fe (s) + Ni2+ (aq) Which of the following statements are correct? Choose all that apply. O K>1 delta Gº > 0 Bºcell > 0 The reaction is reactant-favored. n=2 mol electrons Submit Answer Retry Entire Group 6 m Consider the following reaction at 298K. Pb2+ (aq) + Cu(s) → Pb (s) + Cu2+ (aq) Which of the following statements are correct? Choose all that apply. Eºcell <...
Consider the reaction Fe(s) + 2HCl(aq)FeCl2(s) + H2(g) for which H° = -7.400 kJ and S° = 107.9 J/K at 298.15 K. (1) Calculate the entropy change of the UNIVERSE when 1.552 moles of Fe(s) react under standard conditions at 298.15 K. Suniverse = J/K (2) Is this reaction reactant or product favored under standard conditions? (3) If the reaction is product favored, is it enthalpy favored, entropy favored, or favored by both enthalpy and entropy? If the reaction is...
B. Calculate the standard entropy change for the reaction
2Na(s)+Cl2(g)?2NaCl(s)
using the data from the following table:
Substance
?H?f (kJ/mol)
?G?f (kJ/mol)
S? [J/(K?mol)]
Na(s)
0.00
0.00
51.30
Cl2(g)
0.00
0.00
223.1
NaCl(s)
-411.0
-384.0
72.10
Express your answer to four significant figures and include the
appropriate units.
Part A Predict the sign of the entropy change, AS°,for each of the reaction displayed. Drag the appropriate items to their respective bins. Ag+(aq) + Cl-(aq) → AgCl(s) | | Ca(OH)2(s) →...
Consider the reaction Fe(s) + 2HCl(aq) —FeCl2(s) + H2(g) for which A Hº = -7.400 kJ and AS° = 107.9 J/K at 298.15 K. (1) Calculate the entropy change of the UNIVERSE when 1.769 moles of Fe(s) react under standard conditions at 298.15 K. Asuniverse = | JIK (2) Is this reaction reactant or product favored under standard conditions? (3) If the reaction is product favored, is it enthalpy favored, entropy favored, or favored by both enthalpy and entropy? If...
Consider the following reaction at 298K. Fe2+ (aq) +2 I (aq) → Fe (s) + 12 (s) Which of the following statements are correct? Choose all that apply. On= 2 mol electrons delta Gº > 0 The reaction is product-favored. OK<1 Eºcell > 0 The standard voltage, Eº, for the reaction of Ni(s) and H(aq) is 0.25 V. What is the standard Gibbs free energy change, AG°, for the reaction? J/mol Submit Show Approach Show Tutor Steps Submit Answer Try...
Consider this reaction: 2NaOH(aq) + H2(g) →2Na(s) + 2H2O(l) Δ H°sys = +367.58 kJ/mol ΔS°sys = –11.40 J/K·mol Calculate ΔSuniv for this reaction at 25 °C
Question 25 (4 points) The standard cell potential (Eºcell) of the reaction below is +1.73 V. The value of AG for the reaction is _____ kJ 3Ni (s) + 2 Au?+ (aq) + 3 Ni2+ (aq) + 2 Au(s) O +5.00x102 O +1.00x103 2140 0-1.00x103 0-5.00x102
Use the References to access important values if needed for this question. Consider the reaction Fe(s) + 2 HCl(aq) FeCl2(s) + H2(g) Using the standard thermodynamic data in the tables linked above, calculate the equilibrium constant for this reaction at 298.15K. ANSWER: