Spontaneity

Ice melting

________ is ENDOTHERMIC, but under certain conditions, it IS spontaneous.

valve

When the ________ opens, the gas spontaneously expands to fill both containers.

Spontaneous process

________: a process that does occur naturally under a specific set of conditions.

reverse direction

If a reaction is spontaneous in one direction, it will be nonspontaneous in the ________ under the same conditions.

Spontaneous reactions

________ are often exothermic, but not always.

Spontaneous process

a process that does occur naturally under a specific set of conditions

Nonspontaneous process

a process that does not occur naturally under a specific set of conditions

Heat spontaneously flows from

the hotter object to the colder object.