Which of the following is the best example of an open system?
Answer

an insulated gas cylinder

a car engine

our universe

a greenhouse

Question

Which of the following is the best example of an open system?
Answer
		
an insulated gas cylinder
		
a car engine
		
our universe
		
a greenhouse

jfraser · Answer

open systems allow both mass and energy to enter and leave. Which one best fits that description?

anonymous · Answer

universe ?

jfraser · Answer

the universe is everything that there is, kind of difficult to leave the universe

anonymous · Answer

mmmm! i see .

anonymous · Answer

it cant be green hhouse

jfraser · Answer

can't be the greenhouse

anonymous · Answer

so an insulated gas cylinder or  a car engine . 
i think its insulated gas cylinder

anonymous · Answer

OUR UNIVERSE....it transfer both energy and mass

anonymous · Answer

insualted gas cyclinder is an isolated system...

anonymous · Answer

so car engine ?

anonymous · Answer

car engine can transfer only energy not matter..its a closed system

anonymous · Answer

so i was the right the first time when i said universe?

jfraser · Answer

the car engine transfers both mass and energy. oxygen gas is drawn in, gasoline is used, and CO2 is exhausted. the car engine is the open system

anonymous · Answer

nvm the answer is universe .

jfraser · Answer

the universe is not an open system, it is perfectly isolated. energy and matter are transferred WITHIN the universe, but nothing enters or leaves it. the car engine is the open system

anonymous · Answer

ok...I jst got confused with car engine..yes JFraser is right...Thanks////