CHMA10H3 Chapter 6: Chapter 6 - Thermochemistry
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CHMA10H3 Full Course Notes
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Thermochemistry: the study of the relationships between chemistry and energy. Energy (e): the capacity to supply heat or do work. Kinetic energy (ek): the energy of motion or energy that is being transferred, ek = m*v2 units are joules (j) Potential energy (ep): stored energy of energy associated with the composition and position of the object. System: material or process within one is studying the energy changes within. Surroundings: everything else with which the system can exchange energy with. Heat: energy transferred between a system and its surrounding as a result of temperature difference, heat flows from hotter to colder (temperature may change and phase may change) 6. 3 the first law of thermodynamics: there is no free lunch. First law of conservation of energy: energy cannot be created or destroyed, when energy is transferred or converted between objects, the total amount of energy present at the beginning must be present at the end.
