Notes 2 Flashcards
What is a system? What are the surroundings?
The system is what you are analyzing and the surroundings is the rest of the universe
What is an open system?
A system which exchanges energy and matter with the surroundings.
What is a closed system?
A system which exchanges heat but not matter with the surroundings
What is an isolated system?
A system which does not exchange heat or energy with the surroundings.
What is a diathermic process?
A process in which the boundary transfers heat.
What is an adiabatic process?
A process which has a boundary that does not transfer heat
What is an isobaric process?
A process in which pressure is constant
What is an isochoric process?
A process in which volume is constant
What is an isothermal process?
A process in which temperature is constant
What is the definition of work? (Words)
The transfer of energy that cause motion
What is the definition of work? (Equation)
dw = Fdx
Where F is force and dx is that change in displacement
What is the equation for work most relevant to us?
dw = -Pext dV
Work is _____ dependent
Path
What is the first law of thermodynamics? (Equation)
dU = dQ + dw
