Q: A solution of nickel(II) ion (Ni2+) is electrolyzed using a current of 15.0 A (amperes) for 25.0…
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Q: Which of the following statements is/are TRUE about standard electrode potentials? 1. E0 is…
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Q: Complete and balance the following half-reactions. In each case indicate whether the half-reaction…
A: The given equation is
Q: Which of the following has the greatest tendency to be oxidized? (You may consult a table of…
A: Redox reaction : The chemical reaction in which reduction and oxidation takesplace simultaneously…
Q: How many grams of nickel would be electroplated by passing a constant current of 7.2 A through a…
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Q: How many seconds will be required to produce 1.00 g of nickel metal (58.693 g/mol) by the…
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Q: An electrolysis cell contains X3+ ions. When a 5.45 A current is passed through the cell for 2.16 x…
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Q: The cathode compartment of a copper concentration cell contains 0.500 L of 1.00 M [Cu²*] solution…
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Q: 1. Is rusting of iron a physical change or chemical change? Explain why? 2. What is the colour of…
A: Rusting : Rusting is a reaction in which iron reacts with water and oxygen to give hydrated iron…
Q: What is the cell potential given the balanced redox reaction? 3 Mg(s) + 2FE³+, → 2 Fe(s) + 3Mg²+…
A: The half reactions can be given as;oxidation:3 Mg(s)→3Mg2+(aq)+6e-Reduction: 2Fe3+(aq)+6e-→2Fe(s)
Q: Copper metal can be purified electrolytically according to the following arrangement. The anode is…
A: W = I × t × M / n × F Where ; W = mass of purified Cu = ? I = current = 15 A t = time = 8.5 hours…
Q: Given the balanced electrochemical reaction below (M and N represent generic metals), what is the…
A: The electrochemical reaction taking place is given as, => 2 M+ (aq) + N (s) ---------> 2 M (s)…
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A: At 1 atmospheric pressure means its in standard condition. So the standard reduction potentials…
Q: An electrolysis cell contains a solution of 0.10 M NiSO4. The anode and cathode are both strips of…
A: Electrolysis is spitting of chemical decomposition of ionic substances due to passage of electric…
Q: What amount of Cu (in grams) is deposited at the cathode when a current of 6 A is maintained for 15…
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Q: Iron metal can be prepared by electrolysis of its aqueous salts. True or False?
A: Iron metal cannot be prepared in the electrolysis of aqueous iron salts. This is because, the…
Q: In a concentration cell, is the more concentrated electrolytein the cathode or the anode…
A: Given: In a concentration cell, is the more concentrated electrolytein the cathode or the anode…
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A: A question based on redox reaction, which is to be accomplished.
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Q: Cadmium metal can be prepared by electrolysis of its aqueous salts A. True B. False
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Q: What are the causes of corrosion in metals?
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Q: How many grams of lead may be formed by the passage of 7,727 C through an electrolytic cell that…
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Q: Which of the following is false about corrosion? O The loss or conversion into insoluble compound of…
A: Corrosion is the removal of layer of metal or semiconductor in presence of air , moisture and…
Q: If your base metal is Nickel, which among the following metals can act as a sacrificial anode for…
A: The reduction potential of the metals are given below :
Q: Potassium metal can be prepared by electrolysis of its aqueous salts. True or False?
A: Given statement is false or true
Q: In the electrolysis of molten MgCl2, which product forms at the anode?
A: In the given redox reaction: Oxidation reaction: Removal of the electron. Reduction reaction:…
Q: What is the practical application of electroless plating?
A: ELECTROLESS PLATING: The process of producing coatings from metal ion solutions without using the…
Q: Predict the products of the electrolysis of an aqueous solution of sodium chloride in cell using…
A: Electrolysis is a spontaneous redox process Here we are required to find the product when aqueous…
Q: Electrolysis of an alkaline earth metal chloride using a current of 5.00 A for 748 s deposits 0.471…
A: Given that , Current= 5A Time taken= 748 second Weight of metal diposited = 0.471 gram
Q: The cathode compartment of a copper concentration cell contains 0.500 L of 1.00 M [Cu2*] solution…
A:
Q: When does a SHE function as a cathode? As an anode?
A: Every electrochemical cell has a cathode and an anode. Each electrochemical cell has an oxidation…
Q: Using the Standard Reduction Potential Table, use half-reaction potentials to identify whether the…
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Q: Enter your answer in the provided box. Copper is purified by electrolysis. A 4.75-kg anode is used…
A: Given: Mass of anode = 4.75 kg = 4750 gm Current (I) = 37.8 A
Q: How long, in hours, will it take to electrodeposit 181 g of aluminum in a cell with molten AICI3…
A: Given, mass of Al = 181 g Current (I) = 123 A Time (t) = ? Note: molar mass of Al = 27 g/mol
Q: Which of the following is/are TRUE about the given cells? I: Fe|Fe+2 || Cl-, Cl2|Pt II:…
A: Galvanic cell - is converted chemical energy into electrical energy. It is spontaneous reaction.…
Q: How many grams of silver are deposited at a platinum cathode in the electrolysis of AgNO 3 (aq) by…
A: Given: Current, I = 5.30A Time, t= 4.0hr = 4 x 60x 60 s = 14400s And we know, Equivalence mass of…
Q: Gold (atomic mass = 197.0) is plated from a solution of chloroauric acid, HAuCl4; it deposits on the…
A: Given: Mass of god produced = 0.34 g. Current passed = 0.10 A
Q: Which metal would be suitable for use as a sacrificial anode for iron? O Au O Mg Cu Pt Sn
A: Sacrificial anode - In this technique, the metal to be protected is made cathode and is connected to…
Q: How many minutes will it take to plate out 4.56 g of Ni metal from a solution of Ni2+ using a…
A: Given: Mass of Ni deposited = 4.56 g Current passed = 45.5 A Molar mass of Ni = 58.69 g/mol
Q: Gold (atomic weight = 197) is plated from a solution of chlorauric acid, HAuCl4; it deposits on the…
A: The process of applying a metal coating on the surface other metal by electro-deposition process is…
Q: WHAT ARE THE EFFECTS OF EXTERNAL FACTORS ON CORROSION?
A: Hey, since there are multiple questions posted, we will answer first question. If you want any…
Q: What environmental advantage is provided by the use of nickel–metal hydride batteries over…
A: There are different types of batteries such as nickel-cadmium batteries (NiCad), nickel-metal…
Q: Calculate the voltage of the redox reaction of element X (group 2) if the Gibb’s free energy evolved…
A: ∆G= +150KJ/mol = 150×103J/mol F= 9.649 x 104C For group element, n= 2
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A: To calculate concentration of Ag+ at anode: The reaction occur at cathode, The reaction occur at…
If your base metal is Nickel, which among the following metals can act as a sacrificial anode for it?
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- d ← 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…how do I round 0.004198 to 3 sig figsnt x A ALEKS вЬ Еxcel 20 х Yuzu Re x U Labflow x O COVID-1 x e Daily Cri x O Among 8 GivePu A www-awn.aleks.com/alekscgi/x/lsl.exe/1o_u-IgNslkr7j8P3jH-liJOkWynm4w-aQ-rw-zRhgRnayfmbBs65spECOJQ0Zacn81gbBjC9 B Blackboard O Mail - Ava Schied.. O UAConnect 9 Biology Syllabus H Labflow - Courses V Explore - HogSync ? Packback O CHEMICAL REACTIONS Identifying the limiting reactant in a drawing of a mixture The drawing below shows a mixture of molecules: key carbon hydrogen nitrogen sulfur oxygen chlorine Suppose the following chemical reaction can take place in this mixture: CS,(9)+30,(9) - CO2(9)+2 SO,(9) Of which reactant are there the most initial moles? Enter its chemical formula: Of which reactant are there the least initial moles? Enter its chemical formula: Which reactant is the limiting reactant? Enter its chemical formula: Explanation Check © 2020 McGraw-Hill Educa MacBook Pro II
- 14:33 x 5. ☺ T Add a caption... 4G a) What is the chemical formula for the following compounds: Ammonium Sulfide Nickel (III) Nitrate i) Cobalt (II) Phosphate A > Status (Custom)37. A student recorded the following data for the alcohol content of a blood sample: % C.H5OH: 0.084, 0.068, and 0.079. Calculate the 95% confidence limit for the average of this data.A chemist fills a reaction vessel with 3.61 atm nitrogen (N,) gas, 8.64 atm oxygen (0,) gas, and 6.55 atm nitrogen monoxide (NO) gas at a temperature of 25.0° C. Under these conditions, calculate the reaction free energy AG for the following chemical reaction: N,(g) + O,(g) = 2NO (g) Use the thermodynamic information in the ALEKS Data tab. Round your answer to the nearest kilojoule. do Data HNO3 (1) -174.1 HNO3 (g) -133.9 Oxygen OH (aq) H20 (1) -285.8 H20 (g) -241.8 02 (9) H202 (1) -187.8 H202 (9) -136.3 Phosphorus Explanation Check P4 (s) 2021 McC
- Conte 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 Dro.CI 1. „AICI, 1. (CH3)2CULI 2. Br2, hv 1. Brz/ hv 1. Br,/ hv 2. Li 2. КОН, О 3. Cul 4. CH3BR 3. HBr/ROOR 3. 2. Cl2, Fe, t° 3. KMNO4, OH", t° 4. D30* „AICI3(129) ALEKS: Calculating x + X www-awu.aleks.com/alekscgi/x/isl.exe/10_u-IgNsikr7j8P3JH-IvTqeviKFP6W0cqJcWJdIACROQwyw24GWHInCwZsOvg6oljUPZmqCsVfxIjXe3ye87. ☆ 17.4 Solubility and...18.3 Gibbs Free E.. 5.3 Enthalples of... 18.5 Gibbs Free E... Reading Schedule 19.6 Reduction Po... Y SOLUTION: The le Math 115 W-S Fall... A ALEKS-Lara Althawadi X C calculating the solubility of an X esc E O KINETICS AND EQUILIBRIUM Calculating the solubility of an ionic compound when a commo... sp Calculate the solubility at 25 °C of CuBr in pure water and in a 0.0150M CoBr₂ solution. You'll find K, data in the ALEKS Data tab. Round both of your answers to 2 significant digits. 0- solubility in pure water: solubility in 0.0150 M CoBry solution: Explanation 30 Methods for Measuring the pH of an Aqueous Slide 28 of 104 Notes Q A Z Check 2 Comments 9 == W Click to add notes S 3 C с E D 4 C R P -111+ 00 0° F 0.9 0x0 5 G Search or type URL X T 63% X EX G 6 B Y 3 010 7 H ☆ Ⓒ2022 McGraw Hill LLC. All Rights…
- A | https://testing.illuminateed.com/assessment/603db30bc92e2ebd078b687b/604826708af909ba078b7b46/1?rldbqn: stry S21 UE8 (B) Al2 + Cu2Cl → Al2CI + Cu2 (C) Al + CuCl2 AlCu + Cl2 (D) Al + 2 CuCl → AlCl2 + 2 Cu Which of the following reactions is best represented by a double arrow ( because it only produces 6. aqueous products? (A) K2CO3 (ag) + 2 HCI (ag) 2 KCI + H2O + CO2 (B) K2CO3 (aq) + 2 NaCl (aq) → 2 KCI + NazCO3 (C) KOH (ag) + HCI (ag) → KCI + H2O (D) 2 KOH (aq) + CuCl2 (aq) → 2 KCI + Cu(OH)2 Which of the following reactants would produce iron (III) hydroxide, Fe(OH)3, as a precipitate in a double replacement reaction? 7. (A) NAOH (aq) + AICI: (aq) ate Education TM, Inc. DELL F2 F3 F4Use the web to research the elastic modulus and yield strength of carbon fiber composites. How do these materials compare to aluminum, steel, and titanium?Help 100% Public Health Ch X HSC 258 - Major Projec X Mind Tap - Cengage Lea X C The Illustra d%3D55750828934189288909969212&elSBN=9781305657571&id%3D1061392007&nbld%3D21... References Use the References to access important values if needed for this question. For the following reaction, 66.8 grams of silver nitrate are allowed to react with 24.6 grams of copper(II) chloride. silver nitrate(aq) + copper(II) chloride(s) silver chloride(s) + copper(II) nitrate(aq) grams What is the maximum amount of silver chloride that can be formed? What is the FORMULA for the limiting reagent? grams What amount of the excess reagent remains after the reaction is complete? Submit Answer
