What is the purpose of the salt bridge in a voltaic cell?
A) to prevent any further migration of electrons through the wire
B) to allow for the build up of positively charged ions in one container and negatively charged ions in the other container
C) to allow the Fe2 and the Cu2+ to flow freely between the two containers
D) to allow for a balance of charge between the two chambers
Answer: D
You might also like to view...
The source of electrons in an ordinary electric circuit is
A) a dry cell, wet cell, or battery. B) usually a wall socket. C) a generator at the power station. D) the electric conductor itself. E) none of the above
Geologists view the part of our planet that is called the ______________ as consisting of a number of close-fitting plates
a. mesosphere b. lithosphere c. asthenosphere d. none of these
Water is an example of a(n):
a. atom b. ion c. compound d. mixture e. element
Unlike electric charges, magnetic poles cannot be
A) located. B) isolated. C) destroyed.