Question Items: Electrochemistry

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BatteryDesign01

Multiple choice question Students are attempting to construct a battery in the laboratory that will light up a light bulb. Compare the following lists prepared by students and determine which student will not be able to successfully build a " ...

Multiple choice question - Anonymous - 01/27/2010 - 20:02 - 0 comments - 0 attachments - 1 group

EcellObservations01

Multiple choice question Consider the electrochemical cell diagram shown below. As you observe the reaction in the cell, you notice that the tin electrode seems to be disappearing while there are deposits forming on the silver electrode. Which of t ...

Multiple choice question - Anonymous - 01/27/2010 - 20:02 - 0 comments - 0 attachments - 1 group

BatteryHalfRxns01

Multiple choice question The two half-reactions for the LeClanché dry cell battery are shown below. Identify the oxidizing and reducing agents in this cell. Zn(s) Zn 2+ (aq) + 2e - 2NH 4 + (aq) + 2e - 2NH 3 (g) + H ...

Multiple choice question - Anonymous - 01/27/2010 - 20:02 - 0 comments - 0 attachments - 1 group

FuelCellsAndBatteries01

Matching Determine whether the following descriptions are characteristic of fuel cells, primary batteries, secondary batteries or both batteries and fuel cells. Subquestion Correct match Feedback Reactants must be co ...

Matching - Anonymous - 01/27/2010 - 20:01 - 0 comments - 0 attachments - 1 group

ElectrolysisCalcs01

Multiple choice question Calculate the mass of gold that could be plated from a solution with a current of 0.40 A for 22 min. Au 3+ (aq) + 3 electrons Au(s) 0.0018 g 0.0060 g ...

Multiple choice question - Anonymous - 01/27/2010 - 20:01 - 0 comments - 0 attachments - 1 group

BalanceRedoxRxn01

Multiple choice question The following electrochemical data may be helpful in answering the question below. Magnesium reacts with nitric acid to form magnesium nitrate and nitrogen monoxide in an acidic aqueous solution. Write the b ...

Multiple choice question - Anonymous - 01/27/2010 - 20:01 - 0 comments - 0 attachments - 1 group

IDHalfRxns01

Multiple choice question What are the half-reactions for the reaction of Cs and Cl 2 in the formation of CsCl 2 ? Cs + Cl 2 CsCl 2 Cs + 1 e - Cs + Cl 2 2Cl - + 1 e - ...

Multiple choice question - Anonymous - 01/27/2010 - 20:01 - 0 comments - 0 attachments - 1 group

GeneralCorrosion01

Multiple choice question Which of the following statements not is true? Water promotes the corrosion of metals because it acts as the cathode in a redox reaction with the metal. E o for co ...

Multiple choice question - Anonymous - 01/27/2010 - 20:01 - 0 comments - 0 attachments - 1 group

CalcDeltaGfromE01

Multiple choice question The following electrochemical data may be helpful in answering the question below. Calculate the G o for the oxidation of 2 moles of silver in the following balanced reaction. 2Ag(s) + CaI 2 (aq) C ...

Multiple choice question - Anonymous - 01/27/2010 - 20:01 - 0 comments - 0 attachments - 1 group

CalcStandRedPotential01

Multiple choice question The following electrochemical data may be helpful in answering the question below. Calculate E o for the following balanced reaction. Fe(s) + Fe 2 (SO 3 ) 3 (s) 3FeSO 3 (s) ...

Multiple choice question - Anonymous - 01/27/2010 - 20:01 - 0 comments - 0 attachments - 1 group