This video is about Thermochemistry and explains in details the Nature of Energy. After watching this video, you should be able to:
- Discuss and define the following terms:
- Thermodynamics,
- Energy,
- Kinetic Energy,
- Potential Energy,
- Chemical Energy,
- Understand that an exothermic reaction is a reactions in which energy flows out of the system to the surrounding.
- Understand that an endothermic reaction is a reactions in which energy is absorbed from the surroundings
- Note that work is negative if the system does work (system expands) and it is positive if work is done on the system (system contracts).
- State the first law of thermodynamics (Energy is conserved).
- Know that the change in internal energy (DeltaE) of a given system is the sum of heat (q) and work (w): DeltaE=q + w.
- Apply the sign conventions for q, w, and E
- Relate the sign internal energy (DeltaE)