Stephen filled his 25 mL buret in order to dispense a precise amount of volume. The image below indicates Stephen's initial buret reading is 3.13 mL: Stephen dispenses an approximate amount of his liquid into the beaker. The image below indicates the final buret reading is 12.67 mL: What was the measured volume (in mL) Stephen dispensed into his beaker?
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- (c) 1. THF H2C CEN 7. 2. H30* N(CH312 (d) 1. THF N' 2. H3O* 2016 Cmn LaungS Physical Science: Q2: 2021-22 (L X S Abigail Spencer | Physical Scienc x MAlg. 1-ldentifying Linear Functior x A alleneast schoolsplp.com/enrollments/172020834/items/7ab47cea-18be-4119-95c8-3ab6b5397059/work Abigail Spencer Next Activity > Physical Science: Q2: 2021-22 (LL): Mastery Assess It 4 All changes saved A 17. You leave a half-full water bottle in the car in the heat of summer. The next time you get in the car, you notice condensation inside the water bottle. This is an example of O synthesis O chemical equilibrium O physical equilibrium an open system > N PREVIOUS 17 of 25 NEXT REVIEW SAVE & EXIT DELL %24 & 林 WXA ALEKS-Artemio Ibarra- C www-awu.aleks.com/alekscgi/x/isl.exe/1o_u-IgNslkr7j8P3jH-fvgWyWxWinmDn7WsVrRAXK6XnHkiRvH2tl8oEjAi0u6py2zDxeBLth_JvbDwavi Content X (13) The Story Of Rock 'nx Content Module Knowledge Check An unknown compound has the following chemical formula: NO 0 Question 7 Launch Meeting - Zoom where x stands for a whole number. Measurements also show that a certain sample of the unknown compound contains 8.7 mol of nitrogen and 4.3 mol of oxygen. Write the complete chemical formula for the unknown compound.
- M Inbox (321) - jjuhasz@ X in Course: NTR-3230-130 X My Courses Course Home Syllabus Scores Pearson eText Study Area Document Sharing User Settings Course Tools @ EH ✰ openvellum.ecollege.com/course.html?courseld=17762365&OpenVellumHMAC=57891f531d784362508555aa651bb397#10001 > e X Course Home- с Gmail ||| = YouTube Translate www-awu.aleks.com/alekscgi/x/lsl.exe/1o_u-IgNslkr7j8P3jH-UibwdleAUz2IYCcR4NM7yr_IpMriNwxObE8AQh1KpvSelejev-TduPS6C7h-fsNAPGB1ZaRgTTPXJcYxzQV8... O KINETICS AND EQUILIBRIUM Using an integrated rate law for a first-order reaction At a certain temperature the rate of this reaction is first order in CICH₂CH₂Cl with a rate constant of 0.0744 s CICH₂CH₂Cl (g) → CH₂CHCI (g) + HCl (g) M Suppose a vessel contains CICH₂CH₂Cl at a concentration of 0.270 M. Calculate the concentration of CICH₂CH₂Cl in the vessel 9.70 seconds later. You may assume no other reaction is important. Round your answer to 2 significant digits. 82°F Mostly cloudy Explanation Check Q Search F i 1/5 © 2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | A- O <)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 UseConte X ALEK X O Rich x Ceng Bb Excel Bb What X O COVI e Daily x O Amon x e Chat N Ne www-awn.aleks.com/alekscgi/x/lsl.exe/1o_u-IgNsikr7j8P3jH-lIJOkWvnm4w-aQ-rw-zRhgRnayfmbBs65spEVIGu-K5Jx48w9eOKISqsha Click to go forward, hold to see history Apps R Blackboard 2Mail - Ava Schied. O UAConnect Biology Syllabus J Labflow - Courses O Explore - HogSync O Packback + MyN Objective Knowledge Check Question 13 Calculate the mass of glucose (C,H,,0,) that contains a trillion (1.0 x 102) oxygen atoms. Be sure your answer has a unit symbol if necessary, and round it to 2 significant digits. I Don't Know Submit O 2020 McGraw-Hill Edu MacBook DroTestNav Work- Micresaft Edge Ô https://testnavclient.psonsvc.net/#/question/37ae15ac-69b1-43c8-97b4-937c4ad3606e/d2839865-2f2f-479f-859c-74226e61458c Review - Bookmark 4431 Hil, SCIENCE CHEMISTRY HONORS MP2 2021-22 1 1 of 21 %3D Hydrazine, N,H4, is a compound that is very soluble in water and has a boiling point of 113°C at standard pressure. Unlike water, hydrazine is very reactive and is sometimes used as a fuel for small rockets. One hydrazine reaction producing gaseous products is represented by the balanced equation below. N2H4 (1) → N2 (g) + 2H2 (g) + heat A. The electronegativity value of nitrogen is 3.0 and that of hydrogen is 2.1. Based on the electronegativity difference, identify the type of bond in hydrazine, N2H4. B. Explain in terms of polarity, why hydrazine, N,H4, is very soluble in water. C. Explain, in terms of intermolecular forces, why the boiling point of hydrazine is so high at standard pressure. D. Compare the atomic radius of nitrogen, N, and hydrogen, H2.…Assessment-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 }M You have submitted you X G traductor inglés españo x Tn Course: CHM 2045/LEC X Course Home m.ecollege.com/course.html?courseld=17244391&OpenVellumHMAC-8f6228334c08db09a55624d45c121036# 10001 Maps Senter image source... GC1 sp22 ✓ Course HomeG Which of the following compoun x sy Guide I Midterm A docs.google.com/forms/d/e/1FAlpQLSehenyKBfzpwA6Ba1lyJILHfOLpHNWFFT_OfeFzUB7A0p2yeg/viewform?hr_submission Chgl5GCzQsSEAJI7bfVrQgs Q ☆ Уууууууууu E Untitled document- s O Armenian America. For the reaction of N2 + 3H2 - 2NH3 , how many grams of Hydrogen are produced from 17.2 moles of N2? A 69.49 grams B 104.23 grams C 138.98 grams D 34.74 grams VA 3:2 acer -> 24 & @ %3D 4 5 7 8 9. 2. 3 W e t y w # < L6= hrome File Edit View History Bookmarks Profiles Tab A ALEKS-Lara Althawadi -Lean X (129) ALEKS: Calculating the p X C www-awu.aleks.com/alekscgi/x/isl.exe/10_u-IgNsikr7j8P3jH-IvTqeviKFP6W0cqJcWJdIACROQwyw24GWHInwFNs98WNYISBfkoq97Td3eiTwdipb... 4 Solubility and O O ACIDS AND BASES Calculating the pH at equivalence of a titration esc Try Again Your answer is incorrect. 18.3 Gibbs Free E... 5.3 Enthalpies of... 18.5 Gibbs Free E... Reading Schedule 19.6 Reduction pH=9.22 Explanation 30 Methods for Measuring the pli of an Aqueous Slide 28 of 104 Notes A chemist titrates 160.0 mL of a 0.5839 M benzoic acid (HC,H,CO₂) solution with 0.4219M KOH solution at 25 °C. Calculate the pH at equivalence. The pK of benzoic acid is 4.20. Q Round your answer to 2 decimal places. Note for advanced students: you may assume the total volume of the solution equals the initial volume plus the volume of KOH solution added. A Recheck 2 Comments W S X Click to add movers 3 P: ---+63% E 5 D (129) ALEKS:…SEE MORE QUESTIONSRecommended textbooks for youChemistryChemistryISBN:9781305957404Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCostePublisher:Cengage LearningChemistryChemistryISBN:9781259911156Author:Raymond Chang Dr., Jason Overby ProfessorPublisher:McGraw-Hill EducationPrinciples of Instrumental AnalysisChemistryISBN:9781305577213Author:Douglas A. Skoog, F. James Holler, Stanley R. CrouchPublisher:Cengage LearningOrganic ChemistryChemistryISBN:9780078021558Author:Janice Gorzynski Smith Dr.Publisher:McGraw-Hill EducationChemistry: Principles and ReactionsChemistryISBN:9781305079373Author:William L. Masterton, Cecile N. HurleyPublisher:Cengage LearningElementary Principles of Chemical Processes, Bind…ChemistryISBN:9781118431221Author:Richard M. 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