Question

question 8 points 1 what happens when a conical flask containing hot water is covered with a stopper? the conical flask exchanges water with its surroundings. the conical flask exchanges water vapor with its surroundings. the conical flask exchanges matter with its surroundings. the conical flask exchanges heat energy with its surroundings.

Explanation:

When a conical flask with hot water is stoppered, it's a closed system for matter (water and vapor can't escape). But heat transfer (thermal energy exchange) still occurs through the flask's walls.

Answer:

The conical flask exchanges heat energy with its surroundings.