electrochemistry Flashcards
1
Q
zinc and copper as agents
A
zinc strong reducing agent and copper strong oxidising agent
2
Q
whats a half cell/ electrode
A
metal in its own ions in solution
3
Q
whats a cell
A
two half cells connected together
4
Q
whats a battery
A
two or more cells connected together
5
Q
whats a half cell
A
strip of metal in a solution of its own ions
6
Q
max pd =
A
electromotive force
7
Q
why do we use platnium stip in hydrogen electrode
A
hydrogen gas cant conduct electricity so need metal strip to conduct electrons
-platinum used because it conducts electricity but doesnt react with anything itself
8
Q
A