Lecture 9 Flashcards
1
Q
What does a salt bridge do?
A
connects the two half cells
2
Q
What does a galvanic cell consists of
A
two half cells
3
Q
What does each half cell consists of
A
a metal electrode in a solution of its ions
4
Q
The electrode at which reduction occurs is the _______ of the cell
A
Cathode
5
Q
The electrode at which the oxidation occurs is the _____ of the cell
A
Anode
6
Q
In a galvanic cell, electrons flow from which direction
A
from the anode to the cathode
7
Q
Any chemical reaction in which a material gains electrons
A
Reduction
8
Q
Any chemical reaction in which a material gives up electrons
A
Oxidation
9
Q
The standard cell potential (ΔE0) is the EMF at what conditions?
A
Temperature - 298 K; Pressure - 1 atm; Reagent Activity - 1 M
