Lab 2 Post lab-2

& Spring 2023 CHEM 1411 14 General Chemistry I LAB Experiment 2 Postlab 57 minutes remaining Postlab Content Page 3 of 6 Question 2 An object with a mass of 47.2 kilograms and a volume of 47.6 liters. Find the density with units of g/cm³. Report your answer with three significant figures. Add your answer Questions Filter (5) 5 OF 5 QUESTIONS REMAINING K First Last > Continue Details & In PER Assessm 2/23/23 X ✓ • You after 76°F Time li 60 min Attem 2 atte Grading Sa

please answer the following with equations used and calculations.

MindTap-Cengage Learning X ISBN 9781305657571&nbld=3576712&snapshotld-3576712&id=1854206... A M req req O Search X Back 2310 g x My Grades-Fall 2023 TTU Introd X A Submit Answer References 237 g Use the References to access important values if needed for this question. A copy of your chemistry textbook is found to have a mass of 2310 grams. Using unit analysis, show what the mass of this copy of your chemistry textbook is in ounces. 12 oz 7. Unit Conversion: Metric/Standard: This is group attempt 1 of 5 Autosaved at 11:14 PM Oz Drag and drop your selection from the following list to complete the answer: 28.3 g 2.20 lb + () 16 oz Q Search this course 454 g Next 4x X C 11:14 10/8/2

Sample Name: Test2 Acq. Operator : SYSTEM Sample Operator: SYSTEM Acq. Instrument : 6890N_GC-FID Injection Date Acq. Method Last changed : 11/11/2024 2:21:09 PM Location : 1 Inj Volume Manually : C:\CHEM32\1\METHODS \DEHYD351L.M : 11/8/2024 3:26:55 PM by SYSTEM Analysis Method : C:\CHEM32\1\METHODS\DEF_GC.M 11/12/2024 10:20:57 AM by SYSTEM FID1A, (CHEM351LITest2 2024-11-11 14-21-09.D) Last changed PA 1750 1500 1250 1000 750 500 250 0 1.226 1.338 1.393 1.445 1.513 0.2 0.4 0.6 0.8 1.2 1.4 1.6 1.8 min Area Percent Report Sorted By Multiplier : Signal 1.0000 Dilution 1.0000 Use Multiplier & Dilution Factor with ISTDS # [min] Signal 1: FID1 A, Peak RetTime Type Width ----|-------|----|-------|-------| Area [min] [PA*s] Height [PA] Area % |--------| 1 1.226 BB 0.0138 2.49083 2.96068 0.12408 2 1.338 BB 0.0173 6.06945 5.33509 0.30236 3 1.393 BV 0.0175 180.39203 156.04135 8.98645 4 1.445 VB 0.0147 17.87214 5 1.513 BB S 19.50680 0.89032. 0.0151 1800.55408 1899.02905 89.69679 Totals: 2007.37852…

W. Practice 4 - CHEM 1201 X co Course: 2020 Spring CHEM b My Questions | bartleby A https://www.webassign.net/web/Student/Assignment-Responses/randomize?pos=7&dep=22671454&tags=autosave#question359851_7 ... 8. 0/0 POINTS PREVIOUS ANSWERS 2/100 Submissions Used MY NOTES ASK YOUR TEACHER A sample of gas occupies a volume of 381 mL at 1.26 atm and 99 °C. Calculate the temperature of the gas if its pressure is changed to 1.64 atm while its volume is held constant. O a) The temperature is 108618.7 °C. O b) The temperature is -144.1 °C. O c) The temperature is 12.8 °C. O d) The temperature is 211.2 °C. O e) The temperature is 184203.6 °C. 9. 0/0 POINTS PREVIOUS ANSWERS 6/100 Submissions Used MY NOTES ASK YOUR TEACHER Nitrogen dioxide and dinitrogen monoxide gases react to form nitrogen monoxide gas(es). NO2(g) + N20(g) → 3 NO(g) At a certain temperature and pressure 18.4 L of NO, reacts with 18.4 L of N,0. If all the NO, and N20 are consumed, what volume of NO, at the same temperature and…

W. Practice 4 - CHEM 1201 X co Course: 2020 Spring CHEM b My Questions | bartleby A https://www.webassign.net/web/Student/Assignment-Responses/randomize?pos=1&dep=22671454&tags=autosave#question359689_1 ... 2. 0/0 POINTS PREVIOUS ANSWERS 5/100 Submissions Used MY NOTES ASK YOUR TEACHER Choose the answer which gives the electron-domain geometry and molecular geometry which are both correct for IF5 . O a) The electron-domain geometry is octahedral. The molecular geometry is square pyramidal. O b) The electron-domain geometry is trigonal bipyramidal. The molecular geometry is trigonal bipyramidal. O c) The electron-domain geometry is octahedral. The molecular geometry is trigonal bipyramidal. O d) The electron-domain geometry is trigonal bipyramidal. The molecular geometry is seesaw-shaped. O e) The electron-domain geometry is octahedral. The molecular geometry is seesaw-shaped. 3. 0/0 POINTS PREVIOUS ANSWERS 13/100 Submissions Used MY NOTES ASK YOUR TEACHER Choose the selection which…

W Practice 4 - CHEM 1201 X co Course: 2020 Spring CHEM b My Questions | bartleby A https://www.webassign.net/web/Student/Assignment-Responses/randomize?pos=6&dep=22671454&tags=autosave#question359795_6 ... 7. 0/0 POINTS PREVIOUS ANSWERS 2/100 Submissions Used MY NOTES ASK YOUR TEACHER Choose the selection which gives the correct number of o and T bonds present in one molecule or ion of NO,. Make the central atom in your Lewis structure follow the octet rule if possible. O a) There are 1 o bonds and 2 T bonds in one molecule or ion of this substance. O b) There are 2 o bonds and 5 T bonds in one molecule or ion of this substance. O c) There are 3 o bonds and 5 T bonds in one molecule or ion of this substance. O d) There are 2 o bonds and 1 T bonds in one molecule or ion of this substance. O e) There are 2 o bonds and 2 T bonds in one molecule or ion of this substance. 8. 0/0 POINTS PREVIOUS ANSWERS 2/100 Submissions Used MY NOTES ASK YOUR TEACHER A sample of gas occupies a volume of 430…

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W Practice 4 - CHEM 1201 co Course: 2020 Spring CHEM b My Questions | bartleby A https://www.webassign.net/web/Student/Assignment-Responses/randomize?pos=0&dep=22671454&tags=autosave#question359495_0 ... TurmuJIgmmy you JuDTunoweTay qucJuon. TUuurc Chapters 9 & 10 required to use a new randomization after every 1 question submissions. O Description Assignment Scoring Your last submission is used for your score. 1. 0/0 POINTS PREVIOUS ANSWERS 2/100 Submissions Used MY NOTES ASK YOUR TEACHER Choose the correct total number of electron domains (bonding and nonbonding) about a central atom if the angle(s) between the electron domains have two different values, either about 90 or 180 degrees. O a) The central atom has 4 electron domains. O b) The central atom has 6 electron domains. O c) The central atom has 3 tron domains. O d) The central atom has 2 electron domains. O e) The central atom has 5 electron domains. 2. 0/0 POINTS PREVIOUS ANSWERS 5/100 Submissions Used MY NOTES ASK YOUR…

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2. Boil I L of distilled water for 5 min to expel CO2. Pour the water into a polyethylene bottle, which should be tightly capped whenever possible. Calculate the volume of . NAOH needed to prepare 1 L of 0.1M NAOH. (The density of se . 1.2 NaOH is per milliliter of solution.) Use a graduated cylinder to transfer this Q1: Exp. 6 - NaOH Procedural Step #2: Please explain how a final calculated NaOH molarity could be affected if one did not boil the water (would the [NaOH] be higher, lower, or no change)? Please explain with a short essay.

Fri 3:26 PM istory Bookmarks Window Help A mcphs.blackboard.com anxiety statistics in high school... + Depression Statistics - Depress... DrugFacts: Marijuana | National... Take Test: Exam 4-2020SP.B... EasyBib: Free Bibliography Gen. rences to use for paper. - G.. Remaining Time: 56 minutes, 56 seconds. * Question Completion Status: Question 2 of 20 A Moving to another question will save this response. 5 points Save Answer Question 2 A 1.10 g sample of octane, C8H18, is combusted in a bomb calorimeter and the temperature rises by 62.0 °C. Given a Ccal value of 850.6 J/°C, determine AUrxn per mol of octane. -47.9 kJ/mol 52.7 kJ/mol -62.0 kJ/mol 5270 kJ/mol -5480 kJ/mol Question 2 of 20> LA Moving to another question will save this response. APR tv 10 MacBook Air DD 80 D00 DOO 888 F7 F8 F9 F10 F11 F12 F2 F3 F4 F5 F6 F1 ! %23 24 & 1 4 8. 9. delete { } Y [ 1 %3D return + || く

Ba(NO,l(aq) + K,SOlaq) Baso(s) + 2 KNOlaq) Volume Volume Trial 0.10 M Ba(NO)2 (ml) 0.10 M K,SO, (ml) Mass Baso4 (s) Limiting Reagent 50. 20. 0.46 50. 40. 0.92 3 50. 50. 1.15 4 50. 60. 1.15 50. 80. 1.15 • Question 8 Use the data to identify the limiting reagent for each reaction performed. V Trail 1 a. Neither/Both EV Trial 2 b. Baso4 EV Trial 3 C. KSO4 EV Trial 4 d. Ba(NO3)2 EV Trial 5 e. KNO3 Question Help: Message instructor I Calculator Submit Question • Question 9 Why is the amount of precipitate in the Data Table above the same in Trials 3 through 5? Edit Insert Formats B IVX x' A

e-TestNav avclient.psonsvc.net/#/question/67e93571-deac-46df-8219-5194175dca60/09dd98a1-e5b5-4784-b689-198dc436d989 Woodruff, Tristin Review RBookmark II Pause B CDB 1 2020-2021 / 13 of 20 A student added 5 grams of calcium chloride, a white solid substance, to 15 grams of water at 22° C. Several observations were made and the student inferred that a chemical reaction occurred. Which observation best supports the student's inference that a chemical reaction occurred? O A. The calcium chloride dissolved in the solution, O B. The mass of the solution totals 20 grams. O C. The temperature of the solution is 350 C. O D. The solution became lighter in color. acer esc backspa 2$ % @ %3D 6 7 8. 1 2 r y u e tab q 11 k f g

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Categorize each as a determinate or an indeterminate error and further classify determinate errors as instrumental, method or personal. a) An unknown sample being weighed is hygroscopic. b) One component of a mixture being analyzed quantitatively by GC reacts with the column packing. c) A radioactive sample being counted repeatedly without any change in condition yields a slightly different count at each trial. d) The tip of the pipet used in the analysis is broken. e) In measuring the same peak heights of a chromatogram, two technician each report different heights.

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B Quizzes - SCH3UE-15-Chemistry- X + A tdsb.elearningontario.ca/d2l/Ims/quizzing/user/attempt/quiz_start_frame_auto.d2l?ou=19297865&isprv=&drc=1&qi=5956344&cfql=0&dnb=D0... 2 E TDSB Bookmarks P Summary - PayPal Steam Guard Mobil.. M Booter Panel ul Asylum Stresser - H.. A Free Stresser - The. 6 Str3ssed Booter - L. O Home | IP Stresser 3 - Packages >> What can be added to a solution containing Sr2*(aq) ions to precipitate the ions from the solution? potassium sulfate barium hydroxide O lithium nitrate Two of the above are correct. (a). (b), and (c) are all correct. 围 i 11:15

B Quizzes - SCH3UE-15-Chemistry- X + A tdsb.elearningontario.ca/d2l/Ims/quizzing/user/attempt/quiz_start_frame_auto.d2l?ou=19297865&isprv=&drc=1&qi=5956344&cfql=0&dnb=D0... 2 E TDSB Bookmarks P Summary - PayPal Steam Guard Mobil. Booter Panel l Asylum Stresser - H. A Free Stresser - The. O Str3ssed Booter - . O Home | IP Stresser 3 - Packages >> In testing for the presence of lead(II) ions in solution, Jamaal adds a solution of sodium nitrate. What will be the conclusion of the test if no precipitate forms? Lead(II) ions are not present in solution. Lead(II) ions are present in the solution. Lead(II) ions are present, but in a very small concentration. More sodium nitrate solution needs to be added before a conclusion can be made. No conclusion can be made in this test. 围 1 11:14

Chapter 1 - Breakout Room Questions Read-Only - Word O Search andrea valera AV Design Layout References Mailings Review View Help 8 Share O Com Draw O Find & Replace 13.5 A A Aa Ao ミ、ミッに、E王 T AABBCCC AaBbCcC AABE AaBbC ab x, x' A .A E EE= E - E 1 Normal 1 No Spac. 1 Heading 1 1 Heading 2 - A Select v Dictate Sensitivity Editor Re Paragraph Styles Editing Voice Sensitivity Editor Reus Font 1. If a solid line represents a covalent bond and a dotted line represents intermolecular attraction, which of the choices shows a hydrogen bond? a) Н-Н b) H3N......H-O-H c) H4C......H-F d) H2O......H-CH3 Answer: Explanation: D Focus Exit Min English (United States) o search O 61% Marcella Soti

E7: Sec x S Schoology O LILAI.pdf 9 W6L1 SWYK | Schooloc x Google Meet A bcps.schoology.com/common-assessment-delivery/start/4753713953?action=onresume&submissionld=448175623 World History 1A S Learn About It: Pla. 9 Try It! Application o. e Interactive: Organ S. D Biology for Kids: H.. ! SpanishD gy COURSES GROUPS RESOURCES GRADE REPORT Learning Cycle 1 Assessment Unit 4 True or false - The only way to charge an object with static electricity is by rubbing it against another object. O True O False 1 3 4

SWAN B.Leciure28-Introto Sk Doctors Vs Nurses: Wh eztomheducation.com A https://ezto.mheducation.com/hm.tpx E Connect Chem 1151- Survey of Chemistry I. Cher (Dr. Meyers), Spring 2020 CHEMISTRY Set 7 (Ch. 4) Question 29 (of 42) value: 0.00 points 3 attempts left Check my work Enter your answer in the provided box. When potassium cyanide (KCN) reacts with hydrochloric acid, hydrogen cyanide (HCN), a poisonous gas, is produced. The equation is кCNag) + HC (аg) > КСаg) + HCN(g) Calculate the number of g of KCN that will react with 6.93 mol of HCI. g KCN pe here to search

1. Use the following Absorbance Data to generate a Bradford Assay Standard Curve. Protein Concentration Absorbance at 595nm (mg/mL) 0.05 Chart Title 0.0092 0.1 0.02 0.2 0.04 0.3 0.112 0.4 0.167 0.5 0.1980 0.6 0.2436 Absorbance at 595nm 0.3 4y = 0.4499x - 0.0254 R? = 0.9824 0.25 0.2 0.15 0.1 0.05 0.1 0.2 0,3 0.4 0,5 0.6 0.7

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This question was rejected, but as you can see it's not wort credit the point total says it's out of zero