3. A proper cell notation for a galvanic cell featuring a tin electrode and an iron electrode would be a. Sn (s) | Sn2+ (aq, 0.20 M) || Fe2+ (aq, 0.20 M) | Fe(s) b. Sn2+ (aq, 0.20 M) | Sn (s) || Fe (s) | Fe2+ (aq, 0.20 M) C. Fe (s) | Fe2+ (aq, 0.20 M) || Sn2+ (aq, 0.20 M) | Sn (s) d. Fe2+ (aq, 0.20 M) | Fe (s) || Sn (s) | Sn2+ (aq, 0.20 M) 4. Painting helps slow and reduce corrosion of a metal because: a. Paint reacts with the metal to form a compound that is less easily oxidized than the metal b. The paint reacts with atmospheric oxygen rather than the metal C. Paint helps stop rusted material from flaking off d. The paint prevents oxygen from reaching the metal

3. A proper cell notation for a galvanic cell featuring a tin electrode and an iron electrode would be a. Sn (s) | Sn2+ (aq, 0.20 M) || Fe2+ (aq, 0.20 M) | Fe(s) b. Sn2+ (aq, 0.20 M) | Sn (s) || Fe (s) | Fe2+ (aq, 0.20 M) C. Fe (s) | Fe2+ (aq, 0.20 M) || Sn2+ (aq, 0.20 M) | Sn (s) d. Fe2+ (aq, 0.20 M) | Fe (s) || Sn (s) | Sn2+ (aq, 0.20 M) 4. Painting helps slow and reduce corrosion of a metal because: a. Paint reacts with the metal to form a compound that is less easily oxidized than the metal b. The paint reacts with atmospheric oxygen rather than the metal C. Paint helps stop rusted material from flaking off d. The paint prevents oxygen from reaching the metal

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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W AutoSave O Search (Alt+Q) Off ASSIGNMENT 24.docx - raghav grover RG File Home Insert Draw Design Layout References Mailings Review View Help P Comments A Share O Find Lato v 18 - A A Aa v A No Spacing Heading 1 Heading : E Replace Normal Paste I U ab x, x A - Dictate Editor Reuse A Select v Files Undo Clipboard Font Paragraph Styles Editing Voice Editor Reuse Files Question 18 Consider the following reaction mechanism: CH3OH(ag) + H*(ag) – CH3OH2*(ag) CH;OH2*(ag) + Br(ag) → CH3Br(ag) + H2O(1) Identify each species appropriately from the list below. Question 18 options: CH;Br(ag) CH;OH(ag) 1. reactant H2O(1) 2. product H*(ag) 3. intermediate Br(ag) 4. catalyst CH;OH2*(ag) Question 19 * Accessibility: Investigate D'Focus 0% 11 Page 2 of 16 1271 words English (Canada) ENG 4:32 PM O Type here to search 0°C Sunny W US 2022-04-26 11 近

Mode of separation that uses a polar stationary phase: IEX HILIC SEC NPLC
5. The fixed carbon content of coal is calculated as the total weight loss minus moisture in coal after 7 minutes in a closed crucible put in a muffle oven. true or false
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The following picture is a representation of _________. This process releases very large amounts of energy.
2. Run V (NH4)2S₂08 (mL) 20.00 20.00 10.00 5.00 20.00 15.00 1 2 3 4 5 6 [S₂082-] (mol/L) 0.04 0.04. 0.02 0.01 10.09 10.03. VKI (mL) 20.00 10.00 20.00 20.00 8.00 15.00 [1-] (mol/L) 0.08 0.07 0.08 0.08 0.032 V Na₂S₂03 (mL) 10.00 10.00 10.00 10.00 10.00 10.00 [S₂032-] (mol/L) 6.001 0.001 0.001 10.001 0.001 0.001 These calculated concentrations should be entered in the Data Table for this experiment for runs 1-6. To calculate the concentration of [12], use Equation (3) and the concentration of [S₂03²]. In a constant-temperature run described in the procedure section of this experiment, the solution turned blue in 50 s. a) Consider the concentration of [S₂032] in the mixed solution shown in the las column of the table from the previous exercise. Calculate the concentration c [12] final formed in this reaction. b) Calculate the rate of the reaction.
2+ d. 4H3O+ (aq) + 2Cl(aq) + MnO₂ (s) ⇒ Mn²+ (aq) + 6H₂O(1) + Cl₂ (9) Oke O Ke = = O Ke = 2+ [Mn²+ ][C1₂] [H3O+] * [CI-1² [Mn²+][H₂O][C1₂] 2+ [H³O+][CI¯]²[MnO₂2] [Mn²+ ] [H₂O1] [C1₂] 2+ [H3O+] * [CI-1²[MnO₂]
9:35 PM Sun Dec 4 QUESTION 9 bbhosted.cuny.edu alcohol. ketone. 0 || LTE 75% The functional group contained in the compound CH3-C-H is a(n) alkene. O aldehyde. ether. Click Save and Submit to save and submit. Click Save All Answers to save
11-The branch of chemistry that is responsible for studying the elements and their compounds, excluding almost all carbon compounds ("C") is known as:Unique option. A) Biochemistry B) Analytic chemistry C) Chemistry-physics D) Inorganic chemistry E) Organic chemistry
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MoH t 7 Natt Cos, 7 three Cuive Hhe fell balance nequatiiys Hor He absove realtion?
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