Thermodynamics - Answers Study of heat and energy relationships.
System - Answers Part of the universe under study.
Surroundings - Answers Remaining universe in contact with the system.
Open System - Answers Exchanges both matter and energy with surroundings.
Closed System - Answers Exchanges energy but not matter with surroundings.
Isolated System - Answers No exchange of matter or energy with surroundings.
Isothermal Process - Answers Temperature remains constant during a change.
Adiabatic Process - Answers No heat exchange with surroundings during change.
Isobaric Process - Answers Pressure remains constant during a change.
Isochoric Process - Answers Volume remains constant during a change.
Extensive Property - Answers Depends on total amount of material present.
Intensive Property - Answers Does not depend on total amount of material.
Macroscopic Properties - Answers Collective behavior properties like pressure and volume.
State Variables - Answers Values that define the state of the system.
State Function - Answers Depends only on state variables of the system.
Path Function - Answers Depends on the path of transition.
Reversible Process - Answers Can be reversed, maintains equilibrium throughout.
Irreversible Process - Answers Cannot be reversed, rapid changes disturb equilibrium.
Work - Answers Displacement against a force, measured in Joules.
Pressure-Volume Work - Answers Work done during volume change against external pressure.
Free Expansion - Answers Gas expands into vacuum, no work done.
Heat - Answers Energy transfer due to temperature difference.
Calorie - Answers Heat to raise 1g water by 1°C.
Heat Capacity - Answers Heat required to raise temperature by 1°C.