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- Calculate ΔSsys° (J/K) for the catalytic hydrogenation of acetylene to ethane: C2H2(g) + H2(g) → C2H4(g) Substance S° (J/K·mol) C2H2(g) 200.8 H2(g) 130.58 C2H4(g) 219.4Which of the following is a spontaneous reaction.? a. Rxn with ΔH =- 10Kj/mol ΔS= -5J/mol T= 300K b. NaCl +H20 -> NaOH + HCl 25C c. H20(l) -> H2O(s) Temp: 25C d. Dissolution of 100g of solid sugar in 100 mL ice tea. Consider following reaction: HgO (s) -> Hg(l) + ½ O2 (g) Delta H = +90.7 kj/mol. What quantity of heat in kj/mol is required to produce one mole HgO? Write your answer without units. Given the following data 2ClF(g) + O2(g) --> Cl2O(g) + F2O (g) Delta H= 167.4 kJ I 2ClF3(g) + 2O2(g) --> Cl2O(g) + 3F2 O (g) Delta H= 341.4 kJ II 2 F2(g) + O2(g) ---> 2F2O (g) Delta H= -43.4 kJ III Calculate the delta H in kJ for below reaction: ClF(g) + F2(g) ---> ClF3(g)) Calculate the ΔG°rxn using the following information. 4 HNO3(g) + 5 N2H4(l) → 7 N2(g) + 12 H2O(l) ΔG°rxn = ? ΔG°f (kJ/mol) -73.5 149.3 -237.1
- Potansiyometride, aşağıdakilerden hangisi standart elektrottur? A. Kalsiyum elektrodu B. hidrojen elektrodu C. bakır elektrodu D. potasyum elektrodu Permanganat iyonunun mangan(II) iyonuna dönüştüğü titrasyonun dönüm noktası tayininde A. Kırmızı veya mavi turnosol kağıdı kullanılır B. pH probu kullanılır C. metil oranj belirteci eklenir D. permanganat iyonunun pembe kaybolur …………………………………….. gives the relative response of an ion-selective electrode to different species with the same charge.A. Transition coefficientB. ion coefficientC. counterion coefficientD. selectivity coefficient154- please don’t copy from chegg because they have a wring answer and unclear processes thank you :)Since the resolution of SrCO3 is a g/L, the resolution product of SrF2 is B, what happens [F -] when equilibrium is reached if solid SrF2 is boiled with a solution of Na2CO3 so that it is [CO32 -]= C Molar in the final solution?
- Please use 3 sig figs, 0.08206 for R, and 1C = 273.15K. Solve it within 30-40 mins I'll upvote your answerFind oll doune The raction. 50g of CgCO wis racted. at Latm If Temp = 25C° and iatiel p = 0 inside reatim. v = 11. Au = q + w.All methyl esters of long-chain aliphatic acids (e.g., methyl tetradecanoate, C13H27COOCH3) show significant fragment ions at m/z 74, 59, and 31. What are the structures of these ions? How are they formed?
