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15:00 Fri 14 Apr H 2 of 2 and CH3CH=CHCH₂CH3 (CH3)3N and CH³CH₂NHCH3 Biology-SEF032- Part A How might you use IR spectroscopy to help distinguish between the compounds of pair (a)? A. C = O stretch present for CH3 CH₂ CH₂ CH₂OH. B. OH stretch present for CH3 CH₂ OCH2 CH3. C. OH bend present for CH3 CH₂ OCH2 CH3. D. OH stretch present for CH3 CH₂ CH2 CH₂ OH. Enter the letter of the most correct statement. Part B ●●● How might you use IR spectroscopy to help distinguish between the compounds of pair (b)? A. OH stretch present for CH2₂ = CHCH₂OH. B. OH bend present for cyclobutanone. C. C = C stretch present for cyclobutanone. D. = CH stretch present for cyclobutanone. Enter the letter of the most correct statement. Part C Part D How might you use IR spectroscopy to help distinguish between the compounds of pair (c)? A. CO stretch present for pyridone. B. C = O stretch present for pyridone. C. CO bend present for pyridone. D. N H stretch absent for pyridone. Enter the letter of the most…

| ax NME /Chemical%20Reactions%20Asgn%202-5.pdf 9 Employee Home r4c Covenant Health Ca... Outlook.com - Free... S Birthday party politi. G what does it mea 1 / 2 100% Chemical Reactions-Write Neat and Balanced Reactions from Word Equations You need to submit one sheet of paper (not this one), that is very neat, with a fully balanced reaction for these 6 reactions Remember to include proper states. 1. solid potassium metal reacts with oxygen gas to produce solid potassium oxide. 2. solid potassium chlorate decomposes into oxygen gas and solid potassium chloride. 3. solid aluminum oxide is decomposed into solid aluminum and oxygen gas. 4. aqueous cobalt(III) nitrate reacts with solid zinc to produce aqueous zinc nitrate and solid cobalt.

Drug Concentration A pharmaceutical companyclaims that the concentration of a drug in a patient’sbloodstream will be at least 10% for 8 hours. Supposeclinical tests show that the concentration of a drug (aspercent) t hours after injection is given byC(t) = 200t/2t2 + 32During what time period is the concentration at least10%? Is the company’s claim supported by the evidence?

For this question: How SPF blocks UV Rays from the sun Please try to answer it in a presentation way (provide slides) & please write in detail each slide and explain them Provides notes to write on index cards please DON'T FOGET: first slide should outline (summarize) the whole presentation and the last slide should have the bibliography please please try to answer everything as fast as possible please its super super important and urgent i really need it Please please please answer I really need you to answer this please I'm begging Just try your best to answer please

CHM 431A Lab 7- 2021SP Given Data page Time Temperatu (min) C1. Boiling temp of water re (°C) 25.4 Initial temperature of water 32.5 Temperature of boiling water 44.9 3. 56.9 C2. Temperature change (AT) 4. 71.3 Mass of beaker 5. 86.6 100.2 Mass of beaker and water 7. 100.6 C3. Mass of water 8. 100.6 100.6 1. 2) 6.

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For this question: How SPF blocks UV Rays from the sun Please try to answer it in a presentation way (provide slides & pictures) & please write in detail each slide and explain them Provides notes to write on index cards please DON'T FOGET: first slide should outline (summarize) the whole presentation and the last slide should have the bibliography please please try to answer everything as fast as possible please its super super important and urgent i really need it Please please please answer I really need you to answer this please I'm begging Just try your best to answer please

Edit View History Bookmarks People Tab Window Help O Questi x L 2021-0 x M [EXTE X o Dashb x O Launci x O Launc x O Class 9 ba mheducation.com/ext/map/index.html?_con=con&external_browser3D0&launchUrl=https%253A%252F%252Fnewconn Problem Set Saved 1 attempts left Check my work Enter your answer in the provided box. Find AS for the combustion of ethane (C,H) to carbon dioxide and gaseous water. Report the entropy change per mole of ethane that undergoes combustion. J/(mol·K) < Prev 15 of 15 Next

Consider the equation for the decomposition of SO2C22, SO2Cl2 (g) → S02(g) + Cl2 (g) The graph of In SO2 Cl2] versus time is -2.3- Slope y-intercept -2.4 y -0.000290t 2.30 -2.5 -2.6- -2.7 -2.8+ 0. 500 1000 1500 2000 Time (s) You may want to reference (Page) Section 14.4 while completing this problem. In [SO,Cl]

Firefox File Edit View History Bookmarks Tools Window Help * ? 4) 54% O Wed 9:28 PM Macy My Academic Requ O Course Hon X M Drop-in Follow Post Attendee Answered: A sc The Accompan A Survey Show Based On A? I List The Follow + A 2% https://openvellum.ecollege.com/course.html?courseld=16242782&OpenVellumHMAC=1d7a76c4395 •.. Getting Started co COURSERA 8 Uni. Edinburgh E SISTERHOOD ROU... O Max O z-table CHEM 341 Organic Chemistry for Scientists and Professionals Hi, Macy v Sign Out Help Mastering Chemistry Course Home O My Courses (Assignment 6 Course Home Question 1 < 1 of 5 Syllabus List the following carbocations in each set in order from most stable to least stable: Scores Rank from most stable to least stable. To rank items as equivalent, overlap them. еТеxt Reset Help Document Sharing User Settings CH3CH2 CH2CH CH3CH2CCH3 CH3 CH2CH Course Tools H CH3 CH3 Most stable Least stable II

CHM 431A Lab 7 - 2021SP Given Data page Time Temperatu (min) C1. Boiling temp of water re (°C ) 25.4 Initial temperature of water 1 32,5 Temperature of boiling water 44.9 3 56.9 C2. Temperature change (AT) 4 71.3 Mass of beaker 86.6 6 100.2 Mass of beaker and water 100.6 C3. Mass of water 8 100.6 9 100.6 Number of calories needed to heat your water to the boiling point: Heat (cal) = mass (g) x AT (°C) x 1.00 cal/g°C Show work Print out the graph paper, do the graph in pencil. Graph Time and Temperature relation of heating the water. Take a screen shot and submit your graph as attached file named Lab 7 pg. 4

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ygen nitial appearance of Mg Shiny lisht Sroy ribbonot mekal 2. Evidence of chemical reaction Hea t and lightenergyduc 1. froduced white ash prod- u ced 3. Balance: Mg(s) + 02(g) - MgO(s) 4. Type of chemical reaction: combination B. Zinc and Copper(II) Sulfate Time CUSO4(aq) Zn(s) Appearance Evidence of a Appearance Chemical Reaction Glue/9ren Oull&vy 1. initial 2. after ७ \०ch " Black change incolor 30 min Zn(s)+ CuSO4(aq) Cu(s)+ ZNSO4(aq) Type of chemical reaction: SInglereplacement - Reactions of Metals and HCI 2. Evidence of a Chemical Reaction Metal 1. Appearance of Metals Gray, shiny pebblehormationorbubblina Nochange Zn(s) orangeshinyshrips ॥ht eroडs HO Cu(s) িত Formaiono Mg(s) ight gray.shinysr bubbles hearpicuR

hi please help me with this problem need it until 9:06 am thank you. Kindly please make it short, not long. thank you soo much  fROM THE PICTURE (A) Write down 10 hazards that you can observe in the said picture. (B) Identify the type or category of hazard (physical, chemical, microbiological, allergenic) that you observed and write its category beside the name of the corresponding hazard. To facilitate the checking of your answers, number them accordingly (1 to 10). Example: 1. nail - physical *

rsity o... ingsbo... kboard... ARED4 ethod? 7... F2 Remaining Time: 1 hour, 22 minutes, 23 seconds. Question Completion Status: A Moving to the next question prevents changes to this answer. Question 1 # The angle of the water molecule (H₂O) is 180 degrees 120 degrees 100 degrees 90 degrees 109 degree A Moving to the next question prevents changes to this answer. MAR 14 80 F3 SA $ 000 F4 tv % F5 NA MacBook Air 22 F6 ∞r F7 45.113

10:15 PM Tue Sep 12 12.0 12.0 gtt ml A patient is to receive: 600.0 mL IV fluid over 8.00 hours. The drop factor for the tubing is 12.0 gtt/mL. What is the correct flow rate setting in drops per min ? (1 drop = 1 gtt) stt mL 1 drops 1 att 8.00 ADD FACTOR x( ) 96.0 drop X 0.833 900 1 1 Question 4 of 5 DELETE 9.60 drops stt drop/gtt mL/hr 1.25 600.0 120 0.104 15.0 60 X gtt/mL ANSWER 0.0667 mL RESET 2 1 drop/min Submit 12.0 54% L 375

 Time remaining: 00:09:04 Chemistry The hydrolysis of aspirin (ASA) was measured at 3 different temperatures and the data is shown below. Table 1: Concentration of aspirin at various timepoints and temperatures. Time (min) [ASA] (mM) at 40°C [ASA] (mM) at 50°C [ASA] (mM) at 60°C 0 5.313 5.313 5.313 10 5.033 5.044 4.175 20 4.815 4.611 3.069 30 4.633 4.175 2.243 40 4.582 3.927 1.683 50 4.400 3.706 1.352 60 4.175 3.491 0.970 Using the rate constants from questions 4-6 and the Arrhenius equation, determine Ea. Use 8.314 J/molK for R. Enter your numeric answer, no units. Do not use scientific notation. Answer Skip Exit

maining Time: 20 minutes, 37 seconds. uestion Completion Status: > A Moving to another question will save this response. uestion 8 A gas occupies 235 mL at 26°C and a pressure of 724 mm Hg. The temperature decreases to 18°C and the pressure drops to 709 mm Hg. What is the final volume of the gas? O 234 ml O 231 ml O 1386 mL O 428 ml. O 2126 mL A Moving to another question will save this response. MacBook Air DII DD F2 F3 F4 F5 F6 F7 F8 @ 23 $ * 2 3 4 7 8. W R Y S D F G J K C V N M つ エ B く○

please solve part a and b explaining why is it that way. show your work on a piece of paper please.

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er| Portal x Edulastic O Science Spring Semester Exm bapp.edulastic.com/student/assessment/5f18467bc420a100086da 115/cla 28b60984e66etd62fac10/uta/6a9 Elementar. K! Kahoot R ReadWorks Play Quizizz! Newsela Assignm Commontty As ty Play no. Question 5/10 > NEXT BOOKMARK Water is boiled and steam is produced. This is a physical change because the water particles A. have turned into something new. B. are still water particles. C. have reacted with each other. D. have been destroyed. B.

Chrome File Edit View History Bookmarks People Tab Window Help 89% Mon 9:33 PM Student Students Homework DUE Monday, April X Madeline Carlo - CHM 112 HW X + A docs.google.com/document/d/10m8ZGoSGXKFFcl4KWhwOLh8bFpbtPAmvTWjJPnj15U4/edit Madeline Carlo - CHM 112 HW DUE Monday April 12, 2021 ☆ D TURN IN Share File Edit View Insert Format Tools Add-ons Help Last edit was 3 days ago 100% В IUA Normal text Arial 11 + Editing 31 1 III I III 1 I 2 3 1 I 4 5 II II 6 1 III | .5. For a reaction in which E° = -0.100 V and n = 1 mol electrons / mol, calculate AG°. State + your assumptions, if any, about temperature. .6. For a reaction in which E° = 0.100 V andn = 1 mol electrons / mol, calculate AG° at 25°C. Dictionary CC Aa ... !!! II III

Chrome File Edit View History Bookmarks People Tab Window Help 89% Mon 9:33 PM Student Students Homework DUE Monday, April X Madeline Carlo - CHM 112 HW X + A docs.google.com/document/d/10m8ZGoSGXKFFcl4KWhwOLh8bFpbtPAmvTWjJPnj15U4/edit Madeline Carlo - CHM 112 HW DUE Monday April 12, 2021 ☆ D TURN IN Share File Edit View Insert Format Tools Add-ons Help Last edit was 3 days ago 100% В IUA Normal text Arial 11 + Editing 31 1 III I III 1 I 2 3 1 I 4 5 II II 6 1 III | MnO, (aq) + 8H*(aq) + 5e → Mn²*(aq) + 4 H,O(1) Al(s) → Alš*(aq) + 3 e + .ЗА. Assign oxidation numbers to all metals whether they be elemental, monatomic ion, or in a polyatomic ion, in questions (1) and (2), .3B. Tell what is being oxidized and what is being reduced in each reaction in questions (1) and (2). .3C. Identify each half-reaction in question (2) as oxidation half-reaction or reduction half-reaction. .4. Do you need to know the temperature to calculate AG° from E°? Explain. > Dictionary CC Aa ... !! II

(a) Consider the following data that have been obtained for the decomposition of N2O5(g) at 67 °C according to the reaction: 2 N2O5(g) 4 NO2(g) + O2(g) [N2O5]/mol dm-3 t/s 0 2.000 120 1.41 240 0.994 360 0.698 480 0.492 600 0.346 (i) Based on the above data, briefly describe two methods which can be used to determine the order of the reaction and the rate constant. (i) Use the methods you described above to determine the order of the reaction and the rate constant. (b) The rate constant for the decomposition of a certain substance is 1.70 x 10-2 dm³ mol¹¹ at 24°C and 2.01 x 10-2 dm³ mol-¹s¹ at 37°C. Calculate the activation (Ea) energy of the reaction.

om/myct/itemView?assignmentProblemID=144674814&offset-next CHE154-H Gen Chem II Bronikowski S20 Review tch Part A Find AS° for the reaction between nitrogen gas and fluorine gas to form nitrogen trifluoride gas: N2 (g) + F2(g) → NF3(g) Express your answer using one decimal place. nνα ΑΣφ ASº = J/K %3D Submit Request Answer