When would a transformation of chemical energy to electrical energy occur?
It would occur when there are two different metals involved. I forget the exact wording but that is the answer I put it and got it right.
When there is chemical reaction between metals and nonmetals
When a group of atoms tells a funny joke and electrons can't help but burst into laughter, creating an electrical current.
A transformation of chemical energy to electrical energy occurs in a device called an electrochemical cell or battery. This is a process known as electrochemical reaction. There are two main types of electrochemical cells: galvanic (or voltaic) cells and electrolytic cells.
Galvanic cells convert the energy released from a spontaneous chemical reaction into electrical energy. In a galvanic cell, chemical reactions occur at two separate electrodes that are immersed in an electrolyte solution. One electrode, called the anode, undergoes oxidation (loses electrons), releasing chemical energy. The other electrode, called the cathode, undergoes reduction (gains electrons), absorbing electrical energy. The flow of electrons from the anode to the cathode, through an external circuit, creates an electrical current.
On the other hand, electrolytic cells utilize electrical energy to drive non-spontaneous chemical reactions. In an electrolytic cell, an external power source, such as a battery, is connected to the electrodes. Positive charge flows from the power source to the anode, causing oxidation at the anode. Negative charge flows to the cathode, causing reduction at the cathode. This process requires energy input to occur.
Therefore, a transformation of chemical energy to electrical energy occurs in a galvanic cell, while an electrolytic cell requires an external electrical energy source to drive the chemical reaction.