1
Q
___ state described by a single wavefunction
A
pure
2
Q
___ state subsystems can be in different ststes
A
mixed
3
Q
trace is ___ under unitary transformations
A
invariant
4
Q
members of ensemble don’t interact, wavefunctions ___
A
don’t interfere
5
Q
entropy of a closed system is maximal when system is ___
A
in equilibrium
