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- in CHM1450-44635.202240: MyLab X MISSED THIS? Read Section 16.7 (Pages 699 - 701); Watch KCV 16.7, IWE 16.7 Nitrogen dioxide dimerizes according to the following reaction: Course Home ✰ openvellum.ecollege.com/course.html?courseld=17619023&OpenVellumHMAC=cabfcac4e36a69b75c348206dfefb09b#10001 e 2 NO₂ (g) N₂O4 (g) Kp = 6.7 at 298 K A 2.45-L container contains 0.051 mol of NO₂ and 0.081 mol of N₂O4 at 298 K X @ H X G Nitrogen dioxide dimerizes accon X C Consider the following reaction: X Part A Calculate Ke for the reaction. Express the equilibrium constant with respect to concentration to three significant figures. Kc = Submit Part B Submit 17 ΑΣΦ Calculate for the reaction. Express the reaction quotient to three significant figures. N Request Answer P —| ΑΣΦ Request Answer ? P Pearson W Copyright © 2022 Pearson Education Inc. All rights reserved. | Terms of Use | Privacy Policy | Permissions | Contact Us | S + ? Review | Constants | Periodic Table X 11:24 PM 10/10/20225. Diisobutylaluminum hydride (pictured below) reacts with nitrile A to form product B, which no longer contains a nitrile. While we have not yet seen this reaction in this course, you will be able to answer the following questions given the information below. -A. CN 1. H B 2. H30* A What change(s) in the IR spectrum are consistent with the disappearance of A as the reaction progresses? a. b. The IR spectrum and molecular formula of B are shown below. Use arrows to point out important IR stretches and label each arrow with the type of bond or functional group present. You may find some helpful information on page 7. CH120 L00 4000 3000 200 1000 HAVENUNBERI l c. Propose the structure of compound B.HO + Oz ta) 6. Directions: To a test tube containing 3 ml of 3% H.O, (hydrogen peroxide), add 0.1 g (a small scoop) of the catalyst KI. (Note that a catalyst affects the rate of a reaction but is not involved in the overall reaction for the process). Observations: 7. C2HeO + O2 (9) - CO2 (a) + Directions: Add 2 ml of a saturated calcium acetate solution to an evaporating dish. To the dish add 15 ml of ethanol and swirl the contents. Pour off any excess liquid and ignite the remaining contents with a match. Sprinkle some boric acid on the flame. Although the reaction is actually more complex, the reaction you will balance and classify is the reaction between only ethanol (C,HSOH) and oxygen. Observations:
- u/webapps/assessment/take/launch.jsp?course_assessment_id%3_148362_1&course_id%3D_147285_1&content_id%3D QUESTION 2 Which answer correctly predicts the multiplicity (the number of peaks as a result of splitting) for each shaded proton in the fe (Assume the sample contains a trace of an acidic or basic impurity and is not ultrapure) H3C-C-OH. Ha = 4, Hp = 1, Hc = 2 %3D %3D OHa = 8, Hb = 2, Hc = 2 %3D %3D OHa=7, Hb = 1, Hc = 2 %3D %3D %3D O Ha = 5, Hb = 2, Hc = 2 %3D QUESTION 3 Which spectrum would be predicted from ? (Assume coupling constants are equal. Use chemical shift and multi Ignore relative intensities.)Which proton is the most likely to be removed when this molecule reacts with NaNH,? H (B) - (C) CH3 (A)→ H. H P) 0 a A Ob.B Oc.C O d.D nane 1000 auto.proctonThe Worksheet-Chapter 8-CHEM 200 1. Draw a valid LS for the following molecules and molecular ions. NCI, H,S CF.0 NH, RnCl; SF. NO:
- tes (18) ades Chemistry: Q4: 2022-23 | e 4.4Be + 2He→ 6C+ Ⓒin O On O in 9 Sie leSelect the missing product for the reaction below 227Np → 223Pa + ? 93 91 OA. e - 1 OB. In C. Oy OD. %e 1 OE. He-/1 (a) H2 + H20 Reaction type: (b) N2H4→ NH3 + N2 Reaction type: H20+ Na2SO4 NAOH → (c) H2SO4+ Reaction type: III
- 82. The space shuttle Orbiter utilizes the oxidation of methylhy- drazine by dinitrogen tetroxide for propulsion: 4N₂H3CH3(1) + 5N₂O4 (1) 12H₂O(g) + 9N₂(g) + 4CO2(8) Calculate AH for this reaction. ▬▬▬▬▬▬▬▬▬▬mheducation.com/ext/map/index.html?_con=con&external_browser=D0&launchUrl=https%253A%252F%252Fcompass2g.illinois.edu%252Fweb wing i Saved Complete the reactions to show the synthesis of the following compound from (CH,),CHCH,CH,Br. Part 1: Br K OC(CH3)3 view structure Part 2 out of 2 Br2 H,O What reagent is needed where the "?" is located?Taking Ka for acidic acid as 1.8 x 10-5, calculate H3O+ , using the known concentraions of acidic acid and soudium acecate contained in reaction mixtures 1 and 4. Reaction mixture time (s) Acidic acid concentration (mol/L) sodium acetate concentration (mol/L) calculated H3O+ concentration 1 237 0 1 x 10 -5 4 236 1 x 10 -4 1 x 10 -5SEE MORE QUESTIONS