18-7: Standard Reduction Potentials Flashcards
Elements at the top of the reduction potential table have ____ voltages.
Positive
Elements at the bottom of the reduction potential table have ___ voltages.
Negative
A positive value represents what?
Spontaneous
A negative value represents what?
Non-spontaneous
When you reverse an equation, what must you do to the voltage?
Negate the number
All galvanic cells will have a ___ voltage. The chemical reactions that take place are ____.
Positive; spontaneous
What is voltage defined as?
Energy available per unit charge
When multiply a half reaction, what do you do to the voltage?
The voltage stays the same as the energy and unit stays proportional.
Voltage of Cell Formula
Cathode subtracted by anode