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Which compound is most consistent with the following mass spectrum? (choose the best from the figures below)
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- Relative Intensity 100 80- 40 T 20- 0 MS-IW-0614 25 50 75 100 m/z 125 150 1४ og arbe Day OH OH 175Assessment-Chem 18-Gen (X 80 $ 54 R UCI General Chemistry Peer Tu X 65.2% Use the molar bond enthalpy data in the table to estimate the value of AHin for the equation CCI, (g) + 2 F₂ (g) →→→ CF₂(g) + 2Cl₂(g) The bonding in the molecules is shown. ΔΗ; = 888 F4 ++++ % 5 FS F-F A 6 New Tab MacBook Air ܀ T Y F6 & 7 CICI CI-CI A4 F7 * 8 ∞ Resources Average molar bond enthalpics. (Hond) kJ. mol Bond 464 C=N 142 N-H 351 N-N 502 N=N 730 N=N 347 F-F 615 811 414 439 331 276 293 615 Bond O-H 0-0 C-0 0=0 C=0 C-C C=C C=C C-H C-F C-CI C-Br C-N C=N DII FB 69 DD F9 kJ Question Source: McQuarrie, Rock, And Gallogly 4e-General Chemistry Publisher: University Science Books 1 0 ) CI-CI Br-Br H-H H-F H-CI H-Br H-S S-S 0 A F10 I' Check Answer P kJ. mol-1 890 390 159 418 945 155 243 192 435 565 431 368 364 225 3 F11 0 + Show All 411) F12 X }You are trying to come up with a drug to inhibit the activity of an enzyme thought to have a role in liver disease. In the laboratory the enzyme was shown to have a Km of 1.0 x 10-6 M and Vmax of 0.1 micromoles/min.mg measured at room temperature. You developed an uncompetitive inhibitor. In the presence of 5.0 x 10-5 M inhibitor, the apparent Vmax was determined to be 0.02 micromoles/min.mg. What is the Ki of the inhibitor?
- 6) What is the difference between CI-MS and EI-MS? What is CI and EI ?a laccd sign i X C tab McGraw-Hil X A ALEKS-Shu X https://www-awu.aleks.com/alekscgi/x/Isl.exe/1o_u-lgNslkr7j8P3jH-IvUrTNdLZh5A8CnG03PBGuXr8iCPa7ZMmym9HtY-pEBmXkvCfq... O CHEMICAL REACTIONS Calculating ion molarity using solute mass shift ↑ Calculate the molarity of Cl anions in the chemist's solution. Be sure your answer is rounded to the correct number of significant digits. caps lock esc Explanation ALEKS A chemist prepares a solution of vanadium(III) chloride (VC13) by measuring out 1.50 g of VCl₂ into a 300. mL volumetric flask and filling to the mark with distilled water. ILION K →1 E mol L ? Type here to search A Graw X HI Check 12 (8) 2 Z W S # 3 X alt $ D 4 C x10 f5 % X 100 LO 5 V f6 4- (0) 6 ALEKS G 14.1 f7 4+ & Y B hp 7 X H McGraw-Hi x A ALEKS-Shix Sign In 시기 fg IAA * © 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use Privacy Center Accessibilit # a @ 76°F ㅅ 11:03 7/25/2 00 8 N 19 DII 9 fo K M DDI 2/5 0 P 12 insert [ = X + alt prt sc 46 Shusha 0 1 A backs paus cteent arch X Aktiv Chemistry ADD FACTOR x( ) 4.82 × 104 10¹2 A laser pulse is 4.82 x 10-2 milliseconds How many nanoseconds is this? 10-⁰ 4.82 x 10-8 10⁰ ns 10 º 4.82 × 10² X Question 30 of 31 4.82 x 10-14 ART ms PeopleSoft session expired 10-12 4.82 x 10-5 10⁰ ANSWER 4.82 x 1016 4.82 x 10-² 4.82 x 101⁰ min 1015 X ? Anthropology and Archaeolo X μs 10³ 4.82 × 10-11 RESET 5 10-3 P 1
- ALEKS - Jacqueline Hoppenrey x G convert mg to g - Google Searc x A www-awn.aleks.com/alekscgi/x/Isl.exe/1o_u-IgNslkr7j8P3jH-IQiHqRdYV 6Ux63Syp.JXz0Coxvwqgg4JkWI72X79QvOLp9_7U27sYQhkaocvdwecGvsUzo65uy3F6spORRg1XSqgh81is O STOICHIOMETRY Using molarity to find solute mass and solution volume Jacqueline A chemist adds 55.0 mL of a 4.75M silver perchlorate (AGCIO,) solution to a reaction flask. Calculate the mass in grams of silver perchlorate the chemist has added to the flask. Round your answer to 3 significant digits. Explanation Check Privacy Accessibil 2021 McGraw-Hill Education All Rights Reserved Terms of Usej8P3jH-IQs_dp5pR4ENzvdYC-70kXyMz36BqJhw3sVPfBxMaZmh3VAdOl15aFtsHtwY9DBTUk4n818JEN-OWHIZVK39yT1iQorCn2ao?loBw7QYjlbavbSPXtx- egin | Student Veri. Hb Logout MyProgrammingLab Imported From IE ITEC2110:Summer2... TunesToTube - Upl. O Web Development.. O KINETICS AND EQUILIBRIUM Cla Using a second-order Integrated rate law to find concentration c.. -1 At a certain temperature this reaction follows second-order kinetics with a rate constant of 16.0 M s t: CICH,CH,C1 (g) → CH,CHCI (g) +HC1 (g) Suppose a vessel contains CICH, CH,Cl at a concentration of 1.46 M. Calculate the concentration of CICH,CH, Cl in the vessel 0.670 seconds later. You may assumne no other reaction is important. Round your answer to 2 significant digits.The nlx notation of 81Tl is:
- I 596420-7 x The impo X IG what ma X H PAP Cher X Qchapter x ぐ -> b ar-2903012.agilixbuzz.com/student/135113422/activity/9ff34d34-df47-4fas022 Mastery Assess It 7 PAP Chemistry-2903012-42100P-1/ Stoichiometry/Lesson 107 12. The combustion of glucose is represented by the following balanced equation: CGH12O6+6 0, 6 H20+6CO2. Which reactant is the limiting reagent if there is 1 gram of both 0, Hy06 and 0,7 O a. CgHy06 O b. H20 O c. 0, Od. CO,A. Draw structure of compound. B. Label base peak and molecular ion peak.Commun x Bb Blackboard Collaborate Ultra -2 X General Psychology-Fall 20 O X A ALEKS - Griffin Barden - Learn ww-awa.aleks.com/alekscgi/x/Isl.exe/1o_u-IgNslkr7j8P3jH-JcZzdcvSCzsqTCIDqNGV3bKqhMfPmUcQ4ENkmiXn9QCwgeDPDkQ06yszYWESPcekwL0-Qg619rekU7404HgFAGBEZaDr080?1oBw7QYjibavbSPXtx-YCjsh_7mMmrq#item O THERMOCHEMISTRY Griffin V Using Hess's Law to calculate net reaction enthalpy Nitric acid can be formed in two steps from the atmospheric gases nitrogen and oxygen, plus hydrogen prepared by reforming natural gas. In the first step, nitrogen and hydrogen react to form ammonia: N,(g) + 3 H,(g) → 2 NH3(g) AH=-92. kJ In the second step, ammonia and oxygen react to form nitric acid and water: NH3(g) + 20,(g) HNO3(g) H,O(g) AH=-330. kJ – + Calculate the net change in enthalpy for the formation of one mole of nitric acid from nitrogen, hydrogen and oxygen from these reactions. dla Round your answer to the nearest kJ. kJ
