Redox II

Describe the redox titration used to determine the strength of a bleach

What is an iodometric titration?

How is the end point of a titration of iodine against sodium thiosulfate found?

What are errors?

What are random errors?

What are systematic errors?

What are zero errors?

How would you find the uncertainty of an instrument?

How are the uncertainties of different measurements combined when the measurements are added or subtracted?

How are the uncertainties of different measurements combined when the measurements are multiplied or divided?

Why are salt bridges important in an electrochemical cell?

How would you measure the electrode potential of a half cell?

What are the conditions required for a standard hydrogen electron?

How would you determine whether a reaction is feasible using electrode potentials?

How can you tell which electrode is more negative/positive without calculation?

In what direction would a reaction go if the electrode potential is negative?

In what direction would a reaction go if the electrode potential is positive?

How would a change in the standard conditions for an electrochemical cell affect the cell?

How could you predict the extent at which a reaction would go?

How would you arrange an electrochemical cell to get the most feasible Ecell?

Why does the voltmeter of an electrochemical cell preferably have an infinitely high resistance?

Describe how an acidic hydrogen-oxygen fuel cell works

Describe how an alkaline hydrogen-oxygen fuel cell works.

What are the advantages and disadvantages of hydrogen-oxygen fuel cells?

Describe how a methanol fuel cell works

What are the advantages and disadvantages of methanol fuel cells?

Describe how disposable batteries work

What are the advantages and disadvantages of lithium batteries?

How does a lithium cell work?

How would you identify the anode and cathode of an electrochemical cell?

What are the limitations of predictions from Ecell values?