4. The next reaction is the bromination of ethane. Links Br-Br Energy (kJ/mol) 192 CH3-CH3 + Br-Br hy heat CH3-CH2Br + H—Br H-Br 368 1. Calculate the AH° of each of the propagation steps. (4 points) CH3CH2-H CH3CH2-Br 410 285 2. Calculate the overall value of the AH° of this reaction. (2 points)
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- Can someone please help with question 1. Will give thumbs up.\a) Which curve (i, ii, iii, iv or v) corresponds to F2 → 2F- b) Which curve (i, ii, iii, iv or v) corresponds to Cl2 → 2C1- c) Which curve (i, ii, iii, iv or v) corresponds to Br2 → 2Br. d) Which curve (i, ii, iii, iv or v) corresponds to 12 → 21. e) Which curve (i, il, iii, iv or v) corresponds to CH3CH2-H f) The sign of H° for all of these steps is: Opositive Onegative -> Potential Energy Bond Dissocation Energy (BDE): the energy needed to break a bond homolytically (energy input: H>0, a positive energy value) the energy released in forming a bond (energy output: H 0, a negative energy value) → CH3CH2 + H. شکر Reaction coordinate iv
- Daw the reaction mechanism and productX 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 F12Most supersonic planes produce exhaust of hot gases containing many compounds, including nitric oxide (NO). Nitric oxide is a radical that is believed to play a role in ozone depletion. Choose propagation steps that show how nitric oxide can destroy ozone in a chain process. (Several choices may be correct.) □ O=N-O O=N-O + 0₂ O=N. DO=N-6 .Ö. O=N-0 02 0₂ + DO=N- + 03 O=N. O=N. O=N-0 02 O=N- O=N-O 02 .Ö. O=N. .Ö. 0₂
- -1000 Decomposition Rezctions Carbon Reduction Reactions AH AS (kJ) (JK-mol) O 2 Ag,0(s) → 4 Ag(s) + O2(g) +62.2 +132.7 O 2 MgO(s) → 2 Mg(s) + O2(g) +1202.4 +216.7 1000- O 2 AlhO3(s) → 4 Al(s) – 3 02(g) +3351.4 +546.8 O 2 Fe2O3(s) → 4 Fe(s) – 3 O2(g) +1648 4 +5515 O 2 HgO(s) → 2 Hg(t) + 0,(g) +181.7 +286.8 2000- O 2 Cr,03(s) → 4 Cr(s)– 3 0,(g) 2269 4 +548.4 Temperature 3000 300 300 K 2000 Temperature ((K) Clear Graph The metals Mg and Al, like most metals in groups 1A, 2A, and 3A of the periodic table, cannot be obtained by chemical reduction with carbon at reasonable temperatures. What procesS Is used to obtain these metals from their ores? positiveThe propene reaction with OH radical has a reaction rate constant 2.63 * 10-11 cm3/(molecules*s) and the reaction rate constant with O3 is 1.13*10-17 cm3/(molecules*s). Under polluted conditions (OH=1*106 molecules/cm3 and O3=125 ppb), which reaction dominates? (Assume T=30°C)Which reactions have a positive ASrxn? 2 A(g) + 3 B(g) →→→ 4 C(g) A(s) + B(s) C(g) 2 A(g) + 2 B(g) →→→ 5 C(g) → C(g) A(s) + 2 B(g) -
- 29) What is the AHn for the following reaction? 2CH4) C2He) +2He) a) 2C2H6(e) + 702e) 4CO2e)+ 6H2Oa) AH =-1208 kJ 6)CH4(2) + 2O2(2) → CO2(8) + 2H2Oq) AH =-394 kJ c) CH4) +Ozc@)* + 2H2e) → C2H60) + H2Oa) AH=-572 kJ DHrxn 26.036-28.0s2016 12.01 1.006 x 2=26.036 12.01 12.01t1.008x4- 28.052 2.016 -394K) 30) A hot air balloon is being inflated to its full extent by heating the air inside it. In the final stages of this process, the volume of the balloon changes from 4.00 x 10° L to 4.20 x 10° L by the addition of 1.3 x 10 J of energy as heat. Assuming that the balloon expands against a constant pressure of 1.0 atm, how much work does the balloon perform? 4.20 2.7v 10? 4.00x 10 :4000000 4.20r10b = 4200000 1.3Y108 : 130000000Write down the common (not IUPAC) names of the organic molecules that would be released if this molecule were hydrolyzed: CH₂ E CH CH,−O O || 11 O -(CH₂)7-CH=CH-CH₂-CH=CH-CH₂-CH=CH-CH₂-CH3 (CH₂)7 -CH=CH-CH₂-CH=CH-CH₂-CH=CH-CH₂-CH3 -(CH₂)16-CH3 Separate each name with a comma. You will find useful information in the ALEKS Data resource. a × Y Ś+ F₂ catalyst The above reactants would undergo a catalyst .ل= + H H The above reaction would be an example of HHHH |||| H-C=C-C-C-C-C-H+2H-H | | | | HHHH The above reactants would undergo a(n) catalyst reaction ◆ reaction Isopropyl alcohol (propan-2-ol) is used as a solvent for industrial processes, a disinfectant solution, and a de-icer solution for vehicles. One method of producing isopropyl alcohol is to react propene with water in the presence of an acid catalyst. This reaction is classified as a(n) ◆ reaction.