My name is Julie and I love chemistry. My goal is to help you through this challenging subject. You may even find that chemistry is in your future after having success in your current course. (read more)
...The focus on matter and energy forms a good foundation for understanding the physical world. Terms like work, energy, mass, heat, potential, kinetic, density, etc. are all physical properties that can be defined and understood. Heat means different things depending on whether it is used in a science definition or in a weather forecast. (read more)