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Thermochemistry

Chapter 17.1 + Calorimetry

TermDefinition
Thermochemistry the study of energy changes that occur during chemical reactions and changes in state
Chemical Potential Energy The energy stored in chemical bonds
Heat energy that transfers from one object to another due to a temperature difference
System the part of the universe on which you are focusing
Surroundings anything outside the system
The Law of Conservation Energy Energy cannot be created or destroyed
Endothermic Energy travels from the surroundings to the system, feels cold and the temperature goes down. Energy goes IN
Exothermic Energy travels from the system to the surroundings, feels warm and temperature goes up. Energy EXITS.
Heat Capacity the amount of heat needed to raise the temperature of an object 1 degree celsius. Depends on mass.
Specific Heat the amount of heat it takes to raise 1 gram of the substance by 1 degree celsius
Specific Heat Equation C = q/(m) (delta t)
Calorimetry measuring the heat flow to determine the caloric energy
Created by: nmhardison