energy, work and heat Flashcards
thermodynamics is about what
transformation energy
energy can be transferred by what
work or heat
what is energy
the capacity to do work
what is work
the process of moving against an opposing force
what is heat
the transfer of energy due to temeprature
what is the system
the sample
what is the surrounding
the rest of the world
what is the formula for change of quantity
final- initial
what does a + mean in relation to the system
the system energy gained
what does a - mean in relation to the system
the system energy lost
what are the different types of systems
open, closed, isolated
what are some characteristics of open system
materials can go in and out
what are some characteristics of a closed system
has a lid can’t go in and out as easy
what are some characteristics of an isolated system
there can be insulaiton, adiatic, meaning there is not heat exchange
cells in a culture dish is what system
open
