Final answer:
In a propane-powered coffee roaster, chemical potential energy is burned to create thermal energy.
Step-by-step explanation:
In a propane-powered coffee roaster, chemical potential energy is burned to create thermal energy.
Propane gas is a fuel that can undergo combustion with oxygen to release energy. When propane is burned in the coffee roaster, it undergoes a chemical reaction and the potential energy stored in its bonds is converted into heat energy, which is used to roast the coffee beans.
This process is an example of energy conversion, where one form of energy (chemical potential energy) is transformed into another form (thermal energy).