Question

Which of the following is the best example of an open system? (2 points)
Select one:
a. a car engine
b. our universe
c. a greenhouse
d. an insulated gas cylinder
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Question text

Answer 1

An open system is a system in which both heat and mass are escaping/coming in. (Think of a glass of water; water is evaporating and heat is melting the ice). A closed system is when only heat is escaping/coming in (A bottle of water where water vapor can't escape, but it can still be warmed) An isolated system occurs when neither heat nor mass can escape/come in (Think of a thermos; neither heat nor vapor can escape). Hope this helps!