When you hold a beaker in which hydrochloric acid is mixed with water, it feels warm. What is the system in this reaction? (2 points)

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2 points
The glass beaker.
Your hand.
The hydrochloric acid, water and dissolved ions that are the products of the process.
The water

The system in this reaction is the hydrochloric acid, water, and dissolved ions that are the products of the process.