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A reaction profile (not to scale!) for the reaction
C2H4 + HClC2H5Cl
is shown below:
This reaction is (exothermic or endothermic) ______ ?
The value of the activation energy for this reaction is _____ kJ and the value of E is _______ kJ.
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- NB Assume the densities of all solutions are 1.0 g/mL and their specific heat capacities 4.184 J/g .K Molar Mass of KCl: 74.55 g/mol Help from calculating qr to average ethalpy.Determine the boiling point of CS2, in °C, from the following data: CS2(g) CS2(l) ΔHf° / (kJ mol–1) 115.3 87.9 S° / (J mol–1 K–1) 237.8 151.0 Answer Options: 258 -14 116 78 43Ksp for Co(OH)2 is 5.92x10^-15
- What is the ∆G◦ (in kJ mol−1) for the followingreaction at 25 ◦C?NO2(g) ⇌ N2O4(g)NO2(g):∆H◦ = 33 kJ mol−1; S◦ = 240 J mol−1 K−1N2O4(g):∆H◦ = 11 kJ mol−1; S◦ = 304 J mol−1 K−1A. −41.1 B. −8.8 C. −2.5 D. 16.2E. 5.24 × 104C7H16+O2−→CO2+H2O Rewrite the Equation and show workGiven the following values what is the boiling point of unknown compound D2 in °C? Substance ΔH°f (kJ/mol) ΔS° (J/mol*K) D2(g) 30.91 245.5 D2(l). 0 152.2
- Provided the following information determine delta Hformation of C2H6(g). C(graphite) + O2(g) -> CO2(g) delta H = -393.5 kJ H2(g) + 1/2 O2(g) -> H2O(l) delta H = -285.8kj C2H6(g) + 7/2 O2(g) -> 2CO2(g) + 3H2O(l) delta H = -1560.7 kjCalculate f(E), the probability predicted by the Fermi–Dirac distribution, for the case where the energy E is the thermal energy, kT, above the Fermi energy: E = EF + kT.Calculate the enthalpy of the following reaction using the data in the table. 1A +4B + 5C → 5D + 1E ΔHf0(kJ/mol) S0(J/mol/K) A 70.91 31.34 B -98.56 184.35 C 77.19 51.14 D -41.15 87.58 E 81.36 52.40 Report your answer with two decimal places.
- Provided the following information determine Δ?ΔHformation of C2H6(g). C(graphite) + O2(g) ⟶⟶ CO2(g) Δ?=−393.5??ΔH=−393.5kJ H2(g) + 1212O2(g) ⟶⟶ H2O(l) Δ?=−285.8??ΔH=−285.8kJ C2H6(g) + 7272O2(g) ⟶⟶ 2CO2(g) + 3H2O(l) Δ?=−1560.7??Is ther an error in the solution that ∆Grxn=−9.33 kJ/mol=9330 J/mol was not kept negative when converted tfrom kJ to J? Can steps 3-5 be checked for accuracy ?At constant pressure and 25^C, What is delta H for the following reaction. 2C2H6(g) + 7O2(g) = 4CO2(g) + H2O(l) if the complete consumption of 38.2 g of C2H6 libraties 1981 KJ of heat energy?