5 mL of HCl and 5 mL of CH3COOH solutions are titrated with a pipette in a glass bottle and 150 mL of distilled water is added. The initial conductivity (720) of this diluted mixture is measured and recorded in the table. Then, one ml of M/10 NaOH solution is added and their conductivity is measured and recorded in the table. Find the concentration of HCl and CH3COOH.
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5 mL of HCl and 5 mL of CH3COOH solutions are titrated with a pipette in a glass bottle and 150 mL of distilled water is added. The initial conductivity (720) of this diluted mixture is measured and recorded in the table. Then, one ml of M/10 NaOH solution is added and their conductivity is measured and recorded in the table. Find the concentration of HCl and CH3COOH.
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- nc.comwomen SC S X O MyLab x O Course X C Consta X C Suppo x C Nitron x C The Ai x https:/ x G Suppo x + ege.com/course.html?courseld=16985674&OpenVellumHMAC=d4abff74a80d41d197d6c57220120253#10001 View Available Hint(s) Value Units Submit Previous Answers Request AnswerK A ALEKS-Allie Fleming - Knowled X + s.com/alekscgi/x/Isl.exe/10_u-IgNslkr7j8P3jH-IQUHIQg6bJxmeSyVpHOEB1plef9xyC5Ca9Q14Cm8FsVr70MbNcRx5VpHQJcXN3yjdYAdrBSubpKisgFSETEPIBJBAytRljo? 10B.. Module Knowledge Check Blast furnaces extra pure iron from the iron(III) oxide in iron ore in a two step sequence. In the first step, carbon and oxygen react to form carbon monoxide: 2C(s) + O₂(g) 2 CO (g) 1 In the second step, iron(III) oxide and carbon monoxide react to form iron and carbon dioxide: Fe₂O3(s) + 3CO(g) → 2Fe(s) + 3 CO₂(g) Suppose the yield of the first step is 60.% and the yield of the second step is 84.%. Calculate the mass of carbon required to make 7.0 kg of iron. Be sure your answer has a unit symbol, if needed, and is rounded to 2 significant digits. $ 10 I Don't Know R % Submit 5 T 16 4- ^ 0. 18 6 Q Search X 17 ♡ Y 09 & 7 ロ･ロ 3 fa 18 144 U * Question 14 19 Dill 8 ( f10 DPI 9 O f11 10 © 2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibility O f12…X A ALEKS-Allie Fleming - Knowled X + eks.com/alekscgi/x/Isl.exe/1o_u-IgNslkr7j8P3jH-IQUHIQg6bJxmeSyVpHOEB1plef9xyC5Ca9Qlgg70JQ0BkW_S727IDRdmdWICDt8DxedZZpvVEqH-ZDXitxxGhUuDfQ-ZKhas?1 # * 3 E D E Module Knowledge Check Aqueous hydrobromic acid (HBr) reacts with solid sodium hydroxide (NaOH) to produce aqueous sodium bromide (NaBr) and liquid water (H₂O). What is the theoretical yield of water formed from the reaction of 2.4 g of hydrobromic acid and 0.48 g of sodium hydroxide? Round your answer to 2 significant figures. 08 I Don't Know Submit LIZ $ 4 R F 15 % 5 ▬▬ M 16 T G 0.9 6 Q Search X 17 4+ Y H & 7 Ś fa 144 U * fo 8 DII Question 5 - hp fo ( DDI 9 Al J K fm O () © 2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibility L 112, insert P { prt sc [ با = () ← } 1 Allie V J BEEN delete olo Ar backspace h en
- LEKS & Beyondtabz- General x A ALEKS - Christian Rodriguez H x www-awu.aleks.com/alekscgi/x/islexe/1o u-lgNsikr7j8P3jH-UIKKWbITryejiakVnFaC1BKPUCOANhTCgXBGB yaRn-VHgAGTVkypitEfk1SK 每☆ Homework 4- Chapter 12 Thermodynamics Question 1 of 20 (2 points) Question Attempt1 of Unlimited 3 10 11 12 The heat of fusion AH, of ammonia (NH,) is 5.6 kJ/mol. Calculate the change in entropy AS when 460. g of ammonia freezes at -78.0 C. Be sure your answer contains a unit symbol and the correct number of significant digits. Save For Later Submit Check 02021 MeGwHEducatian A Rgho Reserved m af Ue P Escribe aqui para buscarX A ALEKS- Allie Fleming - Knowled X + eks.com/alekscgi/x/Isl.exe/1o_u-IgNslkr7j8P3jH-IQUHIQg6bJxmeSyVpHOEB1plef9xyC5Ca9Qlh33shYHNlixKQyaDC-AdbABLFpI5Dt90BNOEPu6JcUe7G4HHKAGOBnuFtOq?1oB... E Module Knowledge Check 14 Aqueous sulfuric acid (H₂SO4) reacts with solid sodium hydroxide (NaOH) to produce aqueous sodium sulfate (Na₂SO,) and liquid water (H₂O). If 0.963 g of water is produced from the reaction of 6.9 g of sulfuric acid and 7.3 g of sodium hydroxide, calculate the percent yield of water. Round your answer to 2 significant figures. I Don't Know 3 $ 4 R % Submit 5 T 16 ^ X Q Search 6 4+ Y x⁹ & 7 fa 144 U * 19 Pll DII Question 11 8 hp ( f10 no DDI 9 ♡ © 2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibility f11 ) о 10 O 12, insert - P prt sc + { [ = ← Allie Y } ] ola Ar delete backspace hd ← Chrome esc e 24% (92) ALE X Mathwa X G 102 cels X ☆ www-awu.aleks.com/alekscgi/x/isl.exe/1o_u-IgNsikr7j8P3jH-IvTqeviKFP6W0cqJcWJdIACROQwyw24GWHinMCnqLGstAPM iZtogOAPGJIWPnLIY... 17.4 Solubility and... 18.3 Gibbs Free E... 5.3 Enthalpies of... 18.5 Gibbs Free E... Reading Schedule 19.6 Reduction Po... Y SOLUTION: The le... Math 115 W-S Fall.... File email d x Edit View History Bookmarks Profiles View 7. Q A Nancy X Z Explanation O KINETICS AND EQUILIBRIUM Using the Arrhenius equation to calculate k at one temperature... 2 W S The rate constant of a certain reaction is known to obey the Arrhenius equation, and to have an activation energy E-29.0 kJ/mol. If the rate constant of this reaction is 2.8 x 10³ Ms at 320.0 °C, what will the rate constant be at 222.0 °C? -1 Round your answer to 2 significant digits. Check X A ALEKS X CIChego X H command # 3 E Tab Window Help D $ 4 C X R > F 5 (92) ALE X % 5 V I T G #tv Welcom X A ALEKS ^ 6 MacBook Pro B Y We 9 "/ & 7 H X U N You 8 J 0000015 1…
- What is the melting point of the substance modeled by this heating curve? F 150 D E 135 120 105 90 75 60 45 30 A 15 Heat (kJ) Created by E. Lee for Virtual Virginia (2021) Temp. (°C) B m CCH6_Chem103 - Kenai Peninsu X + to.mheducation.com/ext/map/index.html?_con=con&external_browser=0&launchUrl=https%253A%252F%252Fclasses.alaska.edu%252Fwebapps... 054 520 2 X 9 part 2 Homework i 47:54 J bok 50 O int rint erences C 125 aw 11 :0 FI 2 Question 11 - Chapter 9 part 2 X Determine the volume (in mL) of a 13.3 MHC2H3O2 stock solution must be used to prepare 200.0 mL of a solution that is 0.719 M HC2H302. F2 W mL HC2H302 # 3 00 20 F3 E $ 4 000 000 F4 R % 5 F5 U 8 DII F8 1 ( 9 DD F9 0 3 F10 Help P Sav大 立 团 %24 E. %# M 个 Bb Course Content - 2021FA-CHM- X OWLV2 | Online teaching and lea X OWLV2 | Online teaching and lea X Choose the substance with th Ô https://prod01-cnow-owl.cengagenow.com/ilrn/takeAssignment/takeCXPCompliantActivity.do?locator=assignment-take CHAPTER 9 - LIQUIDS, SOLIDS, AND MATERIALS O Previous Page 10 of 17E Next O References Use the References to access important values if needed for this question. Copper has a density of 8.92 g/mL. Calculate the radius of a Cu atom expected if copper crystallizes in the face-centered cubic structure. wd 8 O O 663 pm O 320 pm O 104 pm F2 F3 F4 F5 F7 F8 %24 4. %23 6. 6. 2. 5.
- m-n- x herthHa Eavier Aotive Qung ox Sheerpwth Quir 7 PerentelX Sherpam Maement Sy agng eisevier.com//auirtansignmentid3455638courselda154811Atoken-eyJhbociOUIUUMU9.eydzdwiouprzht.mvdaGlua3NpdovitmvbscDAlinidXNci Question 20 of 30 A calibrated burette will be used to deliver an intravenous medication dosage order of 200 mg contained in 5 mL. This volume is to be diluted in 40 mL and infused over 30 minutes. A 15-ml flush is to follow the infusion. At what rate in milliliters per hour will the infusion need to run to deliver the ordered dose? Record your answer as a whole number. mL/hr Candent Nat Sure m C Cha O ts Ch Cha On 3 6 7. 8. R. T. Y. U A K C M command comman P. CO 38(c) The data set below represents the surface tension data for aqueous solutions of 3- methylbutanoic acid [(CH3)2CHCH₂COOH] at 25°C. [C] [mol.dm³] 0 Y[mN.m'] 72.7 0.009 64.6 0.026 59.0 0.065 51.3 0.135 47.0 (i) Calculate the surface excess of 3-methylbutanoic acid (in mol.m2) and (ii) Hence estimate the molecular cross sectional area (in nm²) for this surface active molecule. (iii) Compare your estimate with the molecular cross sectional area one might expect for n-butanoic acid and account for the difference, if any, between the two surface active molecules.O 4.1 Intro Polynomi x N Netflix K 4.1 cornell notes (1 X O Google Drive LTI E Unit 9/10 Test-Goo x B Course Modules locs.google.com/forms/d/e/1FAlpQLSdURzeonPFwwoKyQMU_qctnfnz9K1exDoKPAKuowEwny71LHQ/viewform 17. What is the pressure of a 2.25L container that hold 1.25 moles of helium at 299K? (R = 0.08206 L atm/K mol) * %3D 40.9 atm 30.7 atm 13.6 atm 4.2 atm