Alexis is observing a reaction that is taking place in an unsealed glass beaker. Is Alexis's experimental setup an example of a closed, open, or isolated system? Explain your answer in complete sentences.

Question

anonymous · Answer

Alexis' experimental setup is an example of an open system.  The reason being the glass is unsealed thus causing it to allow elements of different types to enter and leave.  In a closed system, the observed reaction would recycle it's contents.  
Hope that helps!