Activity 2 - Boyle's Law in a Syringe Directions: Look at the picture of a syringe below. State how Boyle's Law is applied in the situation by drawing arrows on the blanks below to describe what happens to pressure and volume at constant temperature. Arrows to be used either point upward) or downward ) to denote if the pressure and volume increases or decreases depending on what happens to the plunger of the syringe. Write your answer in the blanks provided. When the plunger is pushed... Pressure: Volume: Figure 7-Syringe plunger When the plunger is released... Pressure: Volume:
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Answer:
When the plunger is pushed
Pressure:Increases
Volume:Decreases
When the plunger is released
Pressure:Decreases
Volume:Increases
Explanation:
When the plunger is pushed in, these molecules begin to push (or collide) against each other and the sides of the syringe more and more because of the lack of space. This decrease in volume (less space) increases the pressure (more collisions). The opposite phenomenon occurs when the plunger is pulled out.