Mudanças de estados físicos

Ebulição
http://create.alt.ed.nyu.edu/molecules/dvl/StateChangeII/with_icons/state_changeII.html
http://create.alt.ed.nyu.edu/molecules/dvl/StateChangeII/no_icons/state_changeII.html
http://create.alt.ed.nyu.edu/molecules/dvl/StateChange/no_icons/state_change.html
http://create.alt.ed.nyu.edu/molecules/dvl/StateChange/with_icons/state_change.html