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.10:28 0. E O O 86%i AIATS For Two Year Medic. A 58 /180 (02:55 hr min Mark for Review The correct order of heat of hydrogenation of the following alkenes is CH3 (1) CH, - CH – CH = CH2 CH, (I1) CH, CH, -CH3 CH3 = C - (III) CH, - C= CH– CH, | > || > II || >l > III III > || > | III > I > I Clear Response IIIWrite down the common (not IUPAC) names of the organic molecules that would be released if this molecule were hydrolyzed: CH₂ O CH CH,−O || 0 (CH₂)14-CH3 (CH₂)4 -CH=CH-CH₂-CH=CH-CH₂-CH=CH-(CH₂)4 -(CH₂) 16 - CH3 Separate each name with a comma. You will find useful information in the ALEKS Data resource. a × Y - CH3 Ś
- -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? positive29) 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 : 1300000005. Target Reaction: 20 H O(1) + 2H 0) 2C H O) + O_() 2 4 Step Reactions: 2 C2H601) + 302(g) → 2CO2(g) + 3H2OO C2H40(1) + 5/202(g) → 2CO2(g) + 2H2O(1) AH = -685 kJ AH = -583.5 k-
- Write 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 Ś10:28 „9. A Shop D O ? 86%Ï AIATS For Two Year Medic. A 53 /180 02:56 hr min Mark for Review Products of the following reaction CH3 – CH = C- CH2 – CH3- (1) O2/ ether (i)Zn/H2O CH3 are CH3 – CH + CH3 -C-CH2 – CH3 CH — CH-HO— CH2 — CНз CH3 -C-CH3 +HC-CH2 – CH3 CH3 — С—СH, — СН, +НСH Clear Response II IIIcentropy (randomness) 10. Arrange the following reactions in order of increasing AS value. 1. H₂(g) + F2(g) → 2HF(g) зд 2. NH4NO3(s) → N₂O(g) + 2H₂O() 19, 12, 15 3. (NH4)2Cr2O7(s) →→→ Cr2O3(s) + 4H₂O(l) + N₂(g) 1,1g, 25
- (b) Predict the suitable solvent (H2O or CH3COCH3) to increase the reaction of bromopropane(CH3CH2CH2Br) with sodium hydroxide (NaOH). Two reactions are shown below:Q2- Which one of the following reaction is unreasonabl? A) NaOH(aq)+HCl(aq)-NaCla+H₂O B) H2(g)+1/202)→ H₂Op AHneutralization=-851.5kJ/mol =-283.5kJ/mol AHormation C) CH3COOH + H₂O-CH:COO(g) + H AHassociation = +213.5kJ/mol D) Mg(+2HCl → MgCha) + H₂ - AHformation =+315.5kJ/mol Q3- If A 25.0 mL of diluted bleach solution has required 30 mL of 0.30 M Na S,O; to reach the endpoint of the titration. Calculate the mass percent of NaCIO in the original sample (Molar mass NaCIO = 74.5 g/mol). Assume the density of bleach solution is 1.084g/mL and the dilution factor is 10. B) 9.96% C) 0.996% D) 12.4% A) 19.92% and the coloWhen 2 propanol is exposed to high heat and in the presence of a catalyst, it produces an amount of the corresponding propylene of 0.75 moles, but there is a residual amount of alcohol of 0.05 moles. Calculate the amount of alcohol involved in the reaction if you know that the seventh conversion is 95 percent after changing the concentration of the catalyst OH H3C-C-CH3 H,SO4 heat H3C-C=CH2 + H20