Question

How does friction between the plunger and the syringe affect the pressure?

If there is a tiny leak in the system, how would this affect your results?
How does the warming of the air in the syringe by your hands affect your results?

Answer 1

The friction between the plunger and the syringe makes it harder to push the plunger, increasing the pressure. A tiny leak would decrease the pressure due to air escaping. Warming the air in the syringe increases pressure.

Step-by-step explanation:

The friction between the plunger and the syringe affects the pressure by making it harder to push the plunger into the syringe. This increases the force needed to overcome the friction, resulting in a higher pressure inside the syringe.

A tiny leak in the system would affect the results by allowing air to escape, which would decrease the pressure in the syringe. This can lead to inaccurate measurements and affect the overall experiment.

The warming of the air in the syringe by your hands would affect the results by increasing the temperature of the air. According to the ideal gas law, as temperature increases, the pressure also increases. So the warming of the air would result in a higher pressure inside the syringe.

Answer 2

Friction between the plunger and the syringe can affect the pressure by introducing resistance to the movement of the plunger. This resistance can lead to an increase in the applied force required to push or pull the plunger, resulting in a higher pressure within the syringe.

If there is a tiny leak in the system, it would affect the results by allowing air to escape or enter the syringe, resulting in a change in the pressure. The leak would disrupt the sealed environment, altering the equilibrium between the air inside the syringe and its surroundings, potentially leading to inaccurate pressure measurements.

The warming of the air in the syringe by your hands can also affect the results. Heating the air increases its temperature, which in turn increases the kinetic energy of the air molecules. This increased kinetic energy leads to an increase in the pressure of the air inside the syringe. Therefore, warming the air with your hands can cause an increase in the measured pressure.