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- X app.101edu.co # 3 E UL Week 7: Panopto DII 0 F3 $ R F4 X UL LTU 7-1A Identify the best conditions to complete the SN2 reaction shown below. H % 5 T N3 گیا QL FS A 6 Y Question 18 of 24 40 X F6 & 7 C|Chegg.com U F7 8 A) CH3I, THF B) NaCN, DMSO C) NaN3, ethylamine D) KI, THF X + E) NaN3, DMF PrtScn FB Home ( 9 F9 O ) End 0 & 3 ENG F10 P PgUp - F11 Tp S <10) 1 PgDn D + 6:16 PM 10/18/2022 F12The Arrhenius equation shows the relationship between the rate constant k and the temperature T in kelvins and is typically written as k = Ae-E/RT where R is the gas constant (8.314 J/mol K), A is a constant called the frequency factor, and Da is the activation energy for the reaction. However, a more practical form of this equation IS In = (1-12) Ea R which is mathmatically equivalent to In Ea F (1/2 R T₂ k2 T1 where ki and k2 are the rate constants for a single reaction at two different absolute temperatures (T₁ and T₂). ▼ Part A The activation energy of a certain reaction is 42.1 kJ/mol. At 20 °C, the rate constant is 0.0150s¹. At what temperature in degrees Celsius would this reaction go twice as fast? Express your answer with the appropriate units. T₂ = Submit Part B Value k₂ = Request Answer Submit Given that the initial rate constant is 0.0150s¹ at an initial temperature of 20 °C, what would the rate constant be at a temperature of 200. °C for the same reaction described in Part…PUと55UVと 15 100 f a, aud tue yues 15 increas g at avate of 201kP a /hin At what rate is the Uolume delvcasing at this instant?
- Aime Dater Page No. - lag (2x1)+log141 2X10 me [4]First order: [A]o In———- = kt [A]t t1/2= .693/kHost E Chen = 11C |= 11C|| S Ancie G timel G scien G differ Dino 2 BoneG pictu + Why om/d2l/Ims/quizzing/user/attempt/quiz_start_frame_auto.d21?ou=D3336147&isprv=&drc3D0&qi=3151427&cfql=D0&dnb3D0&fromQB= ct Values shlee Garcia: Attempt 1 b. Given the mass of the asteroid to be (7.586x10^14) in grams and the diameter of the Earth (1.28x10^4) in km. Calculate the expected distribution of asteroid dust over the surface of the Earth in grams per cubic centimeter(g/cm2). Note: The your answer is assumed to be reduced to the highest power possible.(This means that everything is in scientific notation) When entering units for the answer, use the symbol for the unit, and if the unit has an exponent, enter the exponent as a carat(^). For example, grams would be "g" and, the unit grams per centimeter squared would look like, g/cm^2. %3D Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: x10 Answer units 330F 20 dy
- In a study of the gas phase decomposition of hydrogen iodide at 700 K HI(g)V½ H2(g) + ½ I½(g) the concentration of HI was followed as a function of time. It was found that a graph of 1/[HI] versus time in seconds gave a straight line with a slope of 1.72×103 M1s1and a y-intercept of 0.667 M1. Based on this plot, the reaction is order in HI and the rate constant for the reaction is M1s1In the catalytic decomposition of hydrogen peroxide experiment the following results were obtained: Volume of 21 19.5 18.7 17.5 16.5 KMN04 (0.05N) consumed(ml) Time (min.) 5 10 15 What is the type of the reaction?( plz asap within 15 min ....dont answer after 11.15 PM )