Understanding Water Vapor and Air Particles in a Flask

What is the net direction of the water vapor as it heats up in the flask?

• Upward

• Circular

• Sideways

• Downward

Why does the balloon not inflate completely inside the flask?

• There is still some air left in the flask.

• The balloon is too small.

• The water vapor is not hot enough.

• The flask is too large.

What happens to the water vapor as it cools inside the balloon?

• It remains unchanged.

• It evaporates further.

• It heats up again.

• It condenses and reduces pressure.

How does the balloon respond to the decreasing pressure inside it?

• It remains the same size.

• It expands to match the pressure.

• It bursts.

• It deflates completely.

Why is it crucial to remove air particles from the flask before sealing it with a balloon?

• To prevent the flask from breaking.

• To ensure the balloon inflates properly.

• To make the water boil faster.

• To keep the flask clean.