changes of state. Flashcards
1
Q
is a change of state reversible?
A
it is.
2
Q
what part is a physical change?
A
alters the internal energy but not the temp or mass.
3
Q
what happens when energy is added to a system?
A
temperature increases.
4
Q
at melting or boiling point the energy that is being added causes what?
A
substance to change state not temperature.