| Assessment Questions: 11 results |
Electrochemistry : FuelCellsAndBatteries (20 Variations)
Determine whether the following descriptions are characteristic of fuel
cells, primary batteries, secondary batteries or both batteries and fuel
cells.
Electrochemistry |
Oxidation / Reduction |
Electrolytic / Galvanic Cells / Potentials
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Electrochemistry : ElectrolysisHalfRxns (20 Variations)
The following electrochemical data may be helpful in answering the question below. 
What will be the products of the electrolysis of an aqueous solution of Tin (II) sulfate (SnSO4)? (The electrodes themselves are platinum.)
Electrochemistry |
Oxidation / Reduction |
Electrolytic / Galvanic Cells / Potentials
|
Electrochemistry : BatteryHalfRxns (20 Variations)
The two half-reactions for the LeClanche dry cell battery are shown below. Identify the oxidizing and reducing agents in this cell. Zn(s)  Zn2+(aq) + 2e-
2NH4+(aq) + 2e- 2NH3(g) + H2(g)
Electrochemistry |
Oxidation / Reduction |
Electrolytic / Galvanic Cells / Potentials
|
Electrochemistry : ECellObservations (20 Variations)
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 the following is a correct statement?
Electrochemistry |
Oxidation / Reduction |
Electrolytic / Galvanic Cells / Potentials
|
Electrochemistry : ElectrolysisCalcs (20 Variations)
Calculate the mass of gold that could be plated from a solution with a current of 0.40 A for 22 min. Au3+(aq) + 3 electrons Au(s)
Electrochemistry |
Oxidation / Reduction |
Electrolytic / Galvanic Cells / Potentials
|
Electrochemistry : BalanceRedoxRxn (20 Variations)
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 balanced equation for this reaction.
Electrochemistry |
Oxidation / Reduction |
Electrolytic / Galvanic Cells / Potentials
|
Electrochemistry : BatteryDesign (8 Variations)
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 "battery" that will light up the bulb.
Electrochemistry |
Oxidation / Reduction |
Electrolytic / Galvanic Cells / Potentials
|
Special_Topics : GeneralFuel (6 Variations)
Which of the following statements is not accurate?
Applications of Chemistry
|
Special_Topics : OctaneRating (10 Variations)
Which of the following compounds is least helpful in preventing engine knocking in an automobile?
Applications of Chemistry
|
Special_Topics : PlasticRecycling (20 Variations)
Which of the following statements is not one of the reasons usually given in support of recycling plastics?
Polymerization |
Applications of Chemistry
|
Special_Topics : RecycledProducts (15 Variations)
Use the EcoRecycle Information Sheets at the Ecorecycle Victoria Plastics Recycling website to answer the following question. (Scroll down to the table called "Some uses for plastics and recycled plastics in Australia".) Which of the following products can be made from recycled polyethylene terephthalate (PET)? NOTE: If the link above is no longer active, click here for the information.
Polymerization |
Applications of Chemistry
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