O-007C Safety_ CHEM 3XX ALL LABS 2023W1 Chemistry Integrated Laboratory I_II_2

OnCourse Connect Assessment: Chemistry x Copy of spread_of_islar x = The Spread of Islam -G x M Inbox (904) - aarojame A Classes boncourseconnect.com/assessment/1651879/5287e2a3-0d0b-e2c0-c15c-3e68a37149b4 D TPSS Bookmarks CHEMISTRY BENCHMARK TEST 01 CHEMISTRY I 12-7 (AARON JAMES, ID: 12390724) A student dissolved 15 grams of pure acetic acid (CH,COOH) in enough water to make 100. milliliters of solution. Given the atomic masses provided on the periodic table, what is the molarity (M) of the acetic acid solution? a 0.025 molar D0.40 molar © 2.5 molar O 4 molar A B B 1 2 4 5 6 7 8 9 10 3. O Save/Exit 4 sn TESS

ESF X empt/quiz_start_frame_auto.d21?ou=9739790&isprv=&qi=11007766&cfql=0&dnb=0&fromQB=0&inProgress=1 ystems Question 5 (1 point) Ben starts walking along a path at 3 mi hr¹. Amanda starts jogging along the same path 1 hour later at 5 mi hr. After how much time jogging does Amanda catch up to Ben? 3.5 hr 2.5 hr 2 hr 16

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Bb Take Test: QUI A Ims.uhb.edu.sa/webapps/assessment/take/take.jsp?cours... لا تعيد السمكات إلى ا. . . الاثاد M Gmail O YouTube Human Biology Ch... A Apps Remaining Time: 15 minutes, 04 seconds. * Question Completion Status: 0.5 points Saved Question 6 Find the major product of following dehydration. OH CH3 CH,-CH-CH-CH2-CH3 + H20 CH3 OA CH2=CH-ĊH-CH2-CH3 OCH3 O B. CH3-C=c-CH2-CH3 OC. CH3-C-CH,- -CH2-CH2-CH3 O CH3 OD. CH3-C-CH-CH2-CH3 CH3 CH3-CH=C-CH2-CH3 » A Moving to another question will save this response. Question 6 of 10> .w. MacE

File Edit View History Bookmarks Profiles Tab Window Help Chrome dt8827@unc X aModule 11 F X My Wellness x A ALEKS - Day x A ALEKS - Re Watch Gilmo x A www-awu.aleks.com/alekscgi/x/lsl.exe/1o_u-lgNslkr7j8P3jH-lvdWKW_BBZZI6tTytly4Fcfu6zOtOf8oMM9svvsLU ps Spotify Web Playe. M Common Ethical D. O CHEMICAL REACTIONS Interconverting number of atoms and mass of compound Calculate the number of oxygen atoms in a 120.0 g sample of diphosphorus pentoxide (P,O,). Be sure your answer has a unit symbol if necessary, and round it to 4 significant digits. Explanation Check © 202 APR 18

+ terface/acellus_engine.htm?ClassID=1467683063 Use the data below to determine the mass ratio of iron to oxygen for compound 2. Compound 1 2 Et onal Academy of Science. All Rights Reserved. Mass Fe (grams) 15.55 20.98 [20:1 Enter the answer that belongs in the green box. Iron Ratio Cmpd 2 Mass O (grams) 4.45 9.02 Sh Enter

1-arr In a study of the gas phase decomposition of phosphine at 120 °C PH3(g)- →1/4 P4(g) + 3/2 H2(g) the concentration of PH3 was followed as a function of time. It was found that a graph of In[PH3] versus time in seconds gave a straight line with a slope of -2.50×10² s1 and a y-intercept of -3.24. Based on this plot, the reaction i v O order in PH, and the half life for the reaction is seconds. zero first second

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

Chrome File Edit View History Bookmarks People Tab Window Help 89% Mon 9:32 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% Normal text Arial 11 B IU A Editing 31 1 III I 3 III I 4 III| I 5 II II I 7 II I| .1. Refer to the table of standard reduction potentials. Standard Reduction Potentials at 25 C Reduction Half-Reaction (V) FAg + 2 € H2O{aq) + 2 H*(aq)+ 2 6 Mno,taq) + 8 H*(aq) + 5 & Clalg) + 2 e CrOFMaq)+ 14 H*(aq) + 6 6- Ozlg + 4 H*(aq) + 4 & Bra() + 26 Ag*(aq) + e Fe*(aq) + e Ozl9) + 2 H'(aq) + 2 € 2(s)+ 26 Ozlg) + 2 HO) + 46 Cu (aq) + 2 € Sn" (ag)+ 2 6 2 P(aq) 2 H2O() → Mn(aq) + 4 H;0() →2 cr(aq) 2 Cr (aq)+ 7 H0() →2 HO() 2 Br(aq) Ag(s) » Fe*(aq) →H;Oz(aq) →2 F(aq) →4 OH"(aq) 2.87 1.78 1.51 1.36 1.33 3. 1.23 1.09 0.80 0.77…

Rsimi, Nour 2023VVA Chemistry.7b.FA1 An unknown solid substance is heated according to the temperature versus time graph below. Temperature (°C) 70 40 30 20 288 8 2 0 0 5 15 Time (min) 20 00 4 of 5 1 2 3 4 5 25 While the substance is a liquid, at what temperature do the molecules of the substance have the greatest average kinetic energy? 2 % 3 4 5 16 7 8 insert

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Time, s PCH4, bar 0 1.01E+00 0.3559 7.48E-01 0.6817 5.98E-01 1.0074 4.98E-01 1.384 4.26E-01 1.6201 3.73E-01 2.0159 3.31E-01 2.3532 2.98E-01 2.7874 2.71E-01 3.0227 2.48E-01             3.3678 2.29E-01 A student collected the following data in the kinetics of the decomposition of methane at  1000K:  Reaction: CH4(g)=> C(s) + H2(g) Build three appropriate Excel graphs and list the trendline equation and R2 for each including coordinates. The order of the reaction is? Justify your answer Report the reaction constant value with units

X 1. VitalSource Bookshelf - SDSU-2 x Pearson MyLab and Mastering x → C Mail Classes Problem 4.87 Part A session.masteringchemistry.com/myct/itemView?assignment Campus Student Campus Student Warner School Dist... AR DZL D2L RamseyClassroom... D2L Juveline HOMEWORK Mastering Chemistry #4 (Ch. 4); due 11:59pm February 12 (Sunday) H MasteringChemistry: HOMEWOF X Draw the structural formulas for two compounds having the molecular formula C₂H4O. (Hint: there is one double bond.) Draw the molecules by placing atoms on the grid and connecting them with bonds. D0 of H ProblemID=199769495 ? 0 O B De 0 Il

26) The floor tiles in SE 27 are about 1 square foot and the lab is about 25 tiles wide and about 36 tiles from front to back. When the emergency shower was demonstrated, in 10. seconds the water in the trash can was about 1 foot deep. One student estimated this was 2.5 gallons. Estimate how deep the room will get in inches after a 15 minute shower. List 3 simplifving assumptions you make in this calculation rea L-36 Tile fiDw ill it cost2 The density of gold is 27l An artist plans to apply gold leaf to a painting with an area of 2.32 f? and a thickness of 1.50

00:40 A < 50 8 allall 85% Due Date for Submission: Friday, 25th October @ 4:06 PM UNIVERSITY OF PAPUA NEW GUINEA SCHOOL OF NATURAL AND PHYSICAL SCIENCES CHEMISTRY DISCIPLINE 1.10203 Chemistry 1B - Assignment No. 3 Please note that all assignments must be submitted in handwritten form; printed submissions will not be accepted. Additionally, ensure that you submit your work directly to your assigned tutor. Failure to do so will result in a zero mark. This process has been streamlined to prevent misplaced assignments and to avoid complaints at the end of the semester. If you have submitted your work to the wrong tutor, retrieve it and submit it to the correct one to avoid any penalties or issues later on. Name: ID#: 1. Study the following reactions and draw their reaction mechanisms A (a) (b) Edit < CH3CH2CH2CI AICI 3 CH2CH2CH3 CH3CH2CCI AICI3 Ова CH2CH3 Group:, H CH3 CH3 Score: Page 1 of 6 Annotate Fill & Sign Convert All O

Chrome File Edit View History Bookmarks People Tab Window Help 78% O Thu 10:02 PM A ALEKS - Jacqueline Hoppenrey x A www-awn.aleks.com/alekscgi/x/Isl.exe/1o_u-IgNslkr7j8P3jH-IQİHQRDYV_6Ux63SypJXz0Coxvwqgg4JkWI7XM99oekXTcojkLT31OZqp4772m0XOsdozQ5qMD3aRdEyOGQe33sgOsaJ. O GASES Calculating partial pressure in a gas mixture Jacqueline A 5.00 L tank at 7.37 °C is filled with 18.2 g of chlorine pentafluoride gas and 3.28 g of boron trifluoride gas. You can assume both gases behave as ideal gases under these conditions. Calculate the mole fraction and partial pressure of each gas, and the total pressure in the tank. Round each of your answers to 3 significant digits. 圖 mole fraction: chlorine pentafluoride partial pressure: | atm mole fraction: boron trifluoride partial pressure: | atm Total pressure in tank: | atm Explanation Check O2021 McGraw-Hill Education All Rights Reserved Terms of Use Privacy Accessibility MacBook Air 山回

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instructure.com/courses/16017/quizzes/600409/take onds Press S... d Loading Desmos... Answer: Nicole Sneddon Cla... 1. °℃ 3 33 7.06 Conter X Math 7 2019-2020 L D 10 000 Image from Pixabay: https://pixabay.com/photos/petrol-equipment-fire-extinguisher-3079094/ There is 17.0 g of carbon dioxide gas stored in a cylinder with a volume of 16.0. A pressure gauge shows the pressure to be 3.00 atm. R=0.0821 Latm/(mol-K) In degrees Celsius, determine the temperature of the gas. Round your answer to a whole number. 7.06 Applic x M Ihbox (1,61: x 19,Unattempted. About Us - Levi S 3 | G

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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A.) 0.193 s B.) 64.4 s C.) 129 s D.) 193 s

Firefox File Edit View History Bookmarks Tools Window Help my.CSMD.edu I Module 12 HW Chi wr NWP Assessme X De Module 9 HW Cha W NWP Assessment I Module 11 HW Che w NWP Assessment O 8 https://education.wiley.com/was/ui/v2/assessment-player/index.html?launchld=b0085ec6-77d3-4053-89d4-c26a8188beb3- E Module 12 HW Chapter 21 - Selected Exercises Question 5 of 8 -/1 E Starting with diethyl malonate, and using any other reagents of your choice, show how you would prepare the following compound: Fill 1) ? 2) ? Que Multi EtO 3)? 4) ? 5) ? Choose from the following list of reagents: OEt HO. Ques Multipa Questi A B D Multistep CH3Br LIAIH4 LDA NaOEt / EtOH Viewing Multipart Question E G H. Molecular Dra NaOH EtBr MgBr, H,O H20, heat heat Question 7 Multipart Question 8 Multistep MacBook Air esc F2 F3 F4 FS F10 @ 23 $ % & 1 2 3 4 7 8 W E R Y tab A S D F caps lock C V shift alt coms control option command

Trial Conc. A (M) Conc. B (M) Rate 1 0.706 0.771 6829.54 2 0.706 3.855 34147.702 3 2.118 0.771 6829.54 4 0.647 0.407 ? Given the information in the table above provide the rate for Trial 4Write all answers in standard form rounded to 3 decimal places " Order for A Order for B Overall Order The rate for Trial 4   Round to nearest whole number

Student Information Chem159 - Practice 5 Compounds No. of Questions Work Time Liam A Fox (laf251) Practice 20 297:49:47 6 7 8 9. 10 11 12 13 14 15 16 17 18 19 20 (Not Answered) 45.3 g of magnesium sulfate heptahydrate is heated in an oven until all the water is driven off. What is the mass of the anhydrous compound?. 9.28 g 21.5 g 23.8 g 22.1 g (Correct answer) 23.2 g

View History Bookmarks Tools Window Help Firefox File Edit Module 11 HW Chapter X w NWP Assessment PlayeX Module 10 HW Chapter my.CSMD edu Module 9 HW ChapterX WNWP Assessment Play X O 8 https://education.wiley.com/was/ui/v2/assessment-player/index.html?launchld=9010073f-2141-4e90-8e6b-01c4c1518d8f#/question/5 + Module 11 HW Chapter 20 - Selected Exercises -/1 E Questio Question 6 of 8 Propose a plausible mechanism for the following transformation. Question Molecular Dra For the mechanism, draw the curved arrows as needed. Include lone pairs and charges in your answer. Do not draw out any hydrogen explicitly in your products. Do not use abbreviations such as Me or Ph Question 2 Molecular Draw -OH Question 3 Molecular Draw Pyridine Question 4 Multipart Step 1 Question 5 Multiple Choice Draw Step 1 of the mechanism. Viewing Ques Multistep HO Question 7 Multistep / Edit Drawing Question 8 Molecular Drawing MacBook Air esc ** F2 F3 F4 23 $ & * 3 8 Q W E R T Y lab S G caps lock C V hift alt…

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Drowser Time Limit: 0:20:00 Time Left:0:15:19 Glenton Morris: Attempt 1 160 40 3.0 Page 1: 140 - 35 3.0 120 10 25 100 2.0 80 60 Z 10 Page 2: 05- 20 0 2. Time is 10 Timetsk 10 Page 3: Of all the graphs shown above, what plot type is correctly represented? O second order Page 4: O no plot shown is valid 4. 1st order 3rd order OL X (W) FON

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