please correct me if my answers are wrong pleaseeeee.. Electrochemical cells convert which of these into electrical energy?kinetic energymechanical energychemical energyO potential energyis the loss of electrons from some chemical speciesreducing agentreductionoxidationoxidizing agent

Electrochemical cells convert which of these into electrical energy? kinetic energy O mechanical energy chemical energy O potential energy is the loss of electrons from some chemical species reducing agent reduction oxidation

Electrochemical cells convert which of these into electrical energy? kinetic energy O mechanical energy chemical energy O potential energy is the loss of electrons from some chemical species reducing agent reduction oxidation

World of Chemistry, 3rd edition

3rd Edition

ISBN:9781133109655

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

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

Chapter18: Oxidation–reduction Reactions And Electrochemistry

Section: Chapter Questions

Problem 7STP

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Some metals, such as iron, can be oxidized to more than one oxidation state. Obtain the balanced net ionic equations for the following oxidation reduction reactions, in which nitric acid is reduced to nitric oxide, NO. a Oxidation of iron metal to iron(II) ion by nitric acid. b Oxidation of iron(II) ion to iron(III) ion by nitric acid. c Oxidation of iron metal to iron(III) by nitric acid. [Consider adding the a and b equations.]
An aqueous solution of an unknown salt of gold is electrolyzed by a current of 2.75 amps for 3.39 hours. The electroplating is carried out with an efficiency of 93.0%, resulting in a deposit of 21.221 g of gold. a How many faradays are required to deposit the gold? b What is the charge on the gold ions (based on your calculations)?
The mass of three different metal electrodes, each from a different galvanic cell, were determined before and after the current generated by the oxidation-reduction reaction in each cell was allowed to flow for a few minutes. The first metal electrode, given the label A, was found to have increased in mass; the second metal electrode, given the label B, did not change in mass; and the third metal electrode, given the label C, was found to have lost mass. Make an educated guess as to which electrodes were active and which were inert electrodes, and which were anode(s) and which were the cathode(s).
A standard galvanic cell is constructed so that the overall cell reaction is 2A13++(aq)+3M(s)3M2+(aq)+2A1(s) Where M is an unknown metal. If G = 411 kJ for the overall cell reaction, identify the metal used to construct the standard cell.
Indicate whether each of the following substances loses or gains electrons in a redox reaction. a. The oxidizing agent b. The reducing agent c. The substance undergoing oxidation d. The substance undergoing reduction
In a electrolytic cell, Electrical energy is converted to chemical energy in a non - spontaneous change Chemical energy is converted to electrical energy in a spontaneous change Chemical energy is converted to electrical energy in a non - spontaneous change Electrical energy is converted to chemical energy in a spontaneous change
For each reaction, write the chemical formulae of the oxidized reactants in the space provided. Write the chemical formulae of the reduced reactants in the space provided. reactants oxidized: Feso, (ag) + Zn(s) Fe(s) + ZnSo, (ag) reactants reduced: reactants oxidized: Al(s) + FeBr, (aq) - AIBT, (aq) + Fe(s) reactants reduced: reactants oxidized: 2A£NO, (aq) + Cu(s) → 2Ag(s) + Cu(NO,), (aq) reactants reduced: I Don't Know Submit Accessi O 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center 令 D 80 F Cloudy DELL Delete PgU PrtScr Insert F11 F12 F9 F10 F7 F8 F5 F6 F3 F4 F1 F2
Which statement describes the electroanalytical techniques? The electroanalytical methods can distinguish the analyte in its different redox states. The electroanalytical methods are less popular because the electrochemistry instruments are highly expensive. The electrochemical data provide information about the concentration of the electroactive species in solution. The electrochemical methods can only determine the quantity of the analyte, but not its identity.
q17
Which statement best explains the difference between an electrochemical cell and an electrolytic cell? An electrochemical cell spontaneously converts chemical energy into electrical energy while an electrolytic cell non-spontaneously converts electrical energy into chemical energy. An electrochemical cell non-spontaneously converts chemical energy into electrical energy while an electrolytic cell spontaneously converts electrical energy into chemical energy. An electrochemical cell spontaneously converts electrical energy into chemical energy while an electrolytic cell non-spontaneously converts chemical energy into electrical energy. An electrochemical cell non-spontaneously converts electrical energy into chemical energy while an electrolytic cell spontaneously converts chemical energy into electrical energy.
why are Electrochemistry and Electrochemical Cells important
Electrochemistry Compare the properties of Galvanic cells and electrolytic cells by filling up the table below. Fill it out in less than 10 words per cell. Properties Galvanic Cell Electrolytic Cell Types of energy conversion Spontaneity of the chemical; Reaction Sign of E0