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Curve 3 best represents which species?
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Ne at 600 K |
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Ne at 450 K |
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Ar at 600 K |
Which curve best represents Ar at 600K and 300K
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- 4. A galvanic cell is composed of one electrode with a tin conductor in a SNSO4(aq) solution and a second electrode with a copper conductor in a CuSOa(aq) solution. Sn2*(aq) + 2e Sn(s) E = -0.136 V Cu2 (aq) + 2e Cu(s) E = +0.337 V (a) Determine the overall cell reaction and calculate the standard cell potential.d: A sample consisting of 2-00 moliD0 perfect gas mo lecules , por Blamau A which Cy; m 2 R initially at P, KPa and Ti : 211k , is. heated reversibly to 356K at constant volume. calculate the Final pressure AU, q and w. Emb 0.2I Cottiz' , O, + 6Oz>LocOz+ LottzO+362,5 KJ +602 6COz+ +6tt20+362,5 KJ What are the molars masses you might need ? COz? ? cOz? You
- 4) Synthesis of ammonia by the Haber process occurs by the reaction N22) + 3H2g) 5 2NH3(g) Species AH (kJ mol"') 4S° (J mol- K-') H2(g) 0. 130.7 N2(8) 0. 191.6 NH3(8) -46.1 192.5 Assuming that AH° and AS° are essentially unchanged in the temperature ranging from 25 °C to 400 °C: a. Calculate K at 25 °C. b. Calculate K at 400 °C. (R= 8.314 J mol- K')2:26 1 Question 23 of 25 Submit Construct the expression for Kp for the following reaction. 2 C3H18(1) + 25 02(g) = 16 CO2(g) + 18 H20(1) 1 Drag the tiles into the numerator or denominator to form the expression. Kp = %3D 5 RESET 2(Pc,H») 25(Pc,H.) (PCaH,)25 Ро, 2(Ро.) 25(Ро.) (Рo) (Po.)25 Pco, 2(Pco,) 16(Pco.) (Pco,)? (Pco.)"® PH,0 2(Рн.о) 18(Рн,о) (Рн.о)? (PH,0)18Calculate ArxnG for the following reaction at 375 K. Assume that Arxn is constant over the temperature range given. SO2(g) + O2(g) SO3(g) Values of A, Gº and AƒÃ¤ in kJ mol¹¹ at 298 K are given below: Af Gº Af He SO3(g) -371.06 -395.72 SO2(g) -300.19 -296.83 O2(g) 0 0
- a) Consider the following reaction: [M(H₂O)]³+ + 2 en → [M(en):]³+ + 6H₂O (M-a metal ion; en 1,2-diaminoethane) For this reaction: AHⓇ-56.5 kJ mol¹; AS-0.014 kJ mol-¹K¹. Calculate the AG" for this reaction at 298 K. b) Would you predict the AG" for the formation for [M(en):) to be higher or lower than the AGº for the formation of [M(NH3)4]? Explain your answer. c) For the ligand substitution reaction of [M(OH₂)] (where M-a metal ion) with a halide, X, Kn= 36.0, Kn=4.0, Ko=1.0 and K-2.5. What can be inferred by the fact that Ku is greater than Kn?Compound NH4HCO3(s) NH3(g) CO2(g) H20(1) AG°; (kJ/mol) -665.9 -16.45 -394.4 -237.1 Consider the given reaction: NH3(g) + CO2(g) + H2O(1) = NH4HCO3(s) Calculate AG at 298K for this reaction when the pressures of NH3 and CO, are 0.52 atm and 0.31 atm, respectively. 22.5 kJ -13.4 kJ 13.4 kJ -26.7 kJ O -22.5 kJFor molecular oxygen, So298 = 205.138 J K-1 mol-1. Find So at Temp 1315 K for O2 given that Cop (J K-1 mol-1) = 25.72 + 12. 98x10-3 T – 38.62 x 10-7 T2 Note that: del S = So final – So initial, answer in J K-1 mol-1
- At P=40kPa and t=380, increasing the pressure at constant temp will: a.) increase average PE b.) increase average KE c.) decrease average PE d.) decrease average KEGiven the following set-up: A B C Which set up represent KD > 1 KD = 1 KD < 148. For which of the following is AG=0? A) B) P P A D AO E) AG0 in each case. VOC с V B V 2 D) P P A D A B C V B V