For the following systems, determine whether the system described is best modeled as an isolated, closed, or open system:
(a) a pump supplying water to a building
(b) a tea kettle containing boiling water
(c) an active volcano
(d) a solid gold bar placed inside a very well-insulated box
(e) a chair
(a) a pump supplying water to a building - Open System
(b) a tea kettle containing boiling water - Open System
(c) an active volcano - Open System
(d) a solid gold bar placed inside a very well-insulated box - Isolated System
(e) a chair - Closed System
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