Avoltaic cell consists of a sodium anode and an iron cathode. how will the electrons move?
a. electrons will move across the salt bridge from the cathode to the anode.
b. electrons will move across the wire from the anode to the cathode.
c. electrons will move across the salt bridge from the anode to the cathode.
d. electrons will move across the wire from the cathode to the anode.

How much energy moves onto the next level, in an energy pyramid

What type of energy do chemical bonds have? what type of energy is it converted to during chemical reactions? question 15 options: chemical bonds have kinetic energy, which is converted to potential energy during chemical reactions. chemical bonds have electric energy, which is converted to potential energy during chemical reactions. chemical bonds have heat energy, which is converted to kinetic energy during chemical reactions. chemical bonds have potential energy, which is converted to heat energy during chemical reactions.

State one important difference between a physical change and a chemical change?