XHomeMail - Esther CeronSotelo - Outlo X(78) How to Calculate Oxidationb Answered: G formula for ammoni X101 Chem 101XXapp.101edu.coSubmitQuestion 15 of 27The oxidation number on the nitrogen in NO2 is12С4679х 100+/-04:29 PMеOTYPE here to search11/14/2019+LO

Answered: X Home Mail - Esther CeronSotelo -…

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter22: Bulk Electrolysis: Electrogravimetry And Coulometry

Section: Chapter Questions

Problem 22.20QAP

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How many milliliters of 1.5% alcoholic dimethylglyoxime should be used to provide a36.0% excess with 0.6984 q of steel containing 2.95 wt% Ni? Assume that the densityof the dimethylglyoxime solution is 0.790 g/mL. a. How much Ni sample is present? b. How many moles Ni is present in the sample? c. How much DMG is present?
4- Use Hess's law to calculate the enthalpy change (in kJ/mol) of Alanine oxidation (ΔH1) using the below individual steps. C3H7NO2(s) + 3O2(g) → 5 2 CO2(g) + 5 2 H2O(l) +1 2 (H2N)C=O(s) ΔH1 =?? (H2N)C=O(s) + 3 2 O2(g)→CO2(g) + 2 H2O(l) + N2(g) ΔH2 = -632 KJ/mol C3H7NO2(s) + 15 4 O2(g) → 3 CO2(g) + 7 2 H2O(l) + 1 2 N2(g) ΔH3 = -1577 KJ/mol
a) In which of the below reactions is metal sulfide dissolution more energetically favorable? MnS + H+ <--> Mn2+ + HS- CuS + H+ <--> Cu2+ + HS-b) Classify each reaction as exothermic or endothermic based on the (Delta)Gr0.c) What is the Ksp of MnS and CuS? d) Which is more soluble?(Delta)Gr0 Values: MnS: -218.0 H+: 0 Mn2+: -228.1 HS-: 12.2CuS: -49.1 H+: 0 Cu2+: 65.5 HS-: 12.2
Hello, I do not understand this quiestion or how to do this problem. Can you help me so I can follow along. 7. 5.00 mL of stock solution is diluted to 25.00 mL, peoducing solution ALPHA. 10.00 mL of solution ALPHA is diluted to 25.00 mL resulting in solutin BETA. 10.00 mL of solutionBETA is then diluted 25.00 mL producing solution Gamma. a. Determine the dilution factor in produciing solution Alpha from the stock solution. b. Determine the dilution factor in producing solution Beta from the solution Alpha c. Determie the dilution factor in producing solution Gamma from the stock solution Beta. d. Determine the overall serial dilution factor in producing solution Gamma form the stock solution.
How many milliliters of 2.15 wt% dimethylglyoxime solution should be used to provide a 50.0% excess with 0.998 4 g of steel containing 2.07 wt% Ni? Thedensity of the dimethylglyoxime solution is 0.790 g/mL.
H2S(aq) is analyzed by titration with coulometrically generated I2 in Reactions 17-3a and 17-3b. To 50.00 mL of unknown H2S sample were added 4 g of KI. Electrolysis required 812 s at 52.6 mA. Find the concentration of H2S (mg/mL)in the sample.
10.00 mL of a solution containing calcium iodate was titrated to a starch endpoint with 23.73 mL of 0.02454 M Na2S203. What is the [IO3^-1] in the initial solution? Solve Using string calculation.
[8] Kindly answer and show explanation/solution. Thank you.
Relationships among E° cellv G°, and K
How would you answer 31?
Calculate the standard free energy change (AG") for the transfer of electrons from succinate to ubiquinone: Succinate + ubiquinone O -2.7 kJ/mol relevant half-reactions and standard reduction potentials: fumarate + 2H* + 2 e™ H succinate ubiquinone + 2 H+ + 2 e² = O2.7 kJ/mol -8.7 kJ/mol O 14.7 kJ/mol succinate dehydrogenase O -6.0 kJ/mol Fumarate + ubiquinol ubiquinol E = 0.031 V ED - 0.045 V Atte 1 H
the product 17.70 ✕ pi

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X Home Mail - Esther CeronSotelo - Outlo X (78) How to Calculate Oxidation b Answered: G formula for ammoni X 101 Chem 101 X X app.101edu.co Submit Question 15 of 27 The oxidation number on the nitrogen in NO2 is 1 2 С 4 6 7 9 х 100 +/- 0 4:29 PM е OTYPE here to search 11/14/2019 + LO