Could someone help out with this? (I added a pic below)

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.

Amixture with the same composition throughout is!

When a device is used in a circuit in which the voltage is 81 v the current flowing through the device is 3 a what is the resistance of the device