Thermochemistry — definition?
Study of heat changes during reactions.
System vs Surroundings — role?
System is studied; surroundings are everything else.
Types of Systems — examples?
Open, closed, and isolated systems.
Thermochemistry — focus?
Heat changes during reactions and transformations.
Enthalpy () — definition?
Total heat content at constant pressure.
Exothermic reaction — ?
Releases heat, < 0.
Endothermic reaction — ?
Absorbs heat, > 0.
Calorimetry — purpose?
Measures heat transfer in reactions.
Standard Enthalpy of Formation?
Enthalpy change for forming 1 mol from elements.
Hess's Law — principle?
Path independence of for reactions.
Answer 9 questions on Fundamentals of Thermochemistry.
1. What is thermochemistry primarily concerned with?
2. According to the content, what is the 'system' in thermodynamics?
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