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Calorie
An older, non-SI unit for energy.
Calorimeter
An apparatus used to help measure the transfer of heat.
Calorimetry
The experimental measurement of heat transfer in chemical and physical process.
Endothermic Process
When heat is absorbed by the system from the surroundings.
Energy
The ability to do work or transfer heat
Enthalpy
The sum of the internal energy and the product of the pressure and volume of a system (E + PV)
Enthalpy of Reaction
The enthalpy change associated with a chemical reaction.
Exothermic Process
When heat is released by the system into the surroundings.
First Law of Thermodynamics
Energy is neither created nor destroyed.
Force
Push or pull.
Heat
The flow of energy from a body at higher temperature to one at lower temperature when they are placed in thermal contact.
Hess’s Law
The total enthalpy change during a chemical reaction is the same, regardless of whether the reaction occurs in one step or multiple steps.
Joule
The SI unit for energy
Kinetic Energy
Energy of motion.
Potential Energy
Energy and object possesses by virtue of its position or chemical composition.
Specific Heat Capacity
The amount of energy required to raise the temperature of 1 gram of a substance by 1K (or 1℃)
Standard Enthalpy Change
The heat change associated with a chemical reaction at standard conditions, typically measured at 1 atm pressure and 25°C.
Thermochemistry
The relationship between chemical reactions and energy changes.
Thermodynamics
The study of energy and its transformations.
Work
Energy used to move an object over some distance.
