2019-02-25

## What will happen if you put a marshmallow in a syringe?

Pulling the plunger of the syringe creates a low pressure inside the syringe (a vacuum). The marshmallow is filled with air. Under reduced pressure, the air expands to fill the container (the syringe) causing the marshmallow to increase in size. This is a result of air escaping from the marshmallow.

What gas law is microwaving marshmallow?

Boyle’s law
This illustrates Boyle’s law, which states that a gas expands if the pressure decreases while all other variables are kept constant. When heating a marshmallow in a microwave, some moisture inside the marshmallow evaporates, adding gas to the bubbles.

### Why do the marshmallows get bigger inside the vacuum chamber when the air is removed?

When the vacuum packer removes the air that was once pushing on the outside of the marshmallow, the air trapped inside the marshmallow pushes out (expands) causing it to get larger.

What is a marshmallow law?

Congratulations! You’ve just demonstrated Boyle’s Law, which states that when the temperature doesn’t change, that the relationship between pressure (which is decreased by pumping air out of the jar) and volume of any set amount of gas (the marshmallow) is inversely proportional.

#### What happens to the size of the marshmallow as you cover the tip and push the plunger in?

When you pushed in the plunger, the air pressure increased, pushing the bubbles out of the marshmallow and decreasing its size. When the plunger was pulled out, the pressure decreased so the marshmallow expanded in size.

What happens to the size of the marshmallow as you cover the tip and pull the plunger out?

Place a syringe tip cap over the tip of the syringe. Pull the plunger out—decreasing the pressure inside the syringe. The marshmallow should expand—it’s volume increases. The marshmallow should shrink—its volume decreases.

## What gas law is egg in a bottle?

Gay-Lussac’s Law helps explain the egg-in-a-bottle trick, where boiled water displaces the air inside a bottle, and as the water condenses, an egg placed over the bottle will be pulled inside because of the change in pressure inside the bottle.

What happens when you microwave marshmallows?

When you cook marshmallows in your microwave oven, several things happen at once. The microwave makes the water molecules vibrate very quickly—which makes the water heat up. The hot water warms the sugar, which softens a little. Since the sugar walls are warm and soft, the bubbles expand, and the marshmallow puffs up.

### What happens when you heat marshmallows?

What happens if you put a marshmallow in water?

It floats if it is less dense than water. When you drop a marshmallow in water, it floats like a balloon. A marshmallow is full of air bubbles, which puff it out. The sugar in the marshmallow gets spread out over a large area, making the marshmallow less dense than water.

#### What is the relationship between volume and pressure?

It is summarized in the statement now known as Boyle’s law: The volume of a given amount of gas held at constant temperature is inversely proportional to the pressure under which it is measured.

How hard is it to push the plunger in what happens to the air inside?

When you put your finger over the nozzle, you prevent any air from entering or leaving the syringe. Because the air cannot escape from inside the syringe, when you then try to push in the plunger, the air inside the plunger is compressed into a smaller volume. This creates a higher pressure inside the syringe.

## How long to cool down Boyle’s Law experiment?

Wait for two to three minutes to cool down the compressed air and note the pressure reading and the volume reading. Now, slightly open and then quickly closed the air tap to let some air escape the system.

Which is the best way to verify Boyle’s Law?

There are several ways to verify the law. The article covers a standard laboratory method to verify the law by studying the relation between pressure and volume. Experiment: Air column Objective. To verify Boyle’s law i.e. for a given amount of gas, absolute pressure is inversely proportional to volume at a constant temperature. Apparatus

### How does pressure affect the volume of a marshmallow?

change in pressure affects the volume of marshmallow. Students will easily remember the relationship between pressure and volume after participating in this activity. By simply placing a marshmallow inside a syringe and using the plunger to increase and decrease the pressure, your stu-

How do you expand a marshmallow with a syringe?

Place a syringe tip cap over the tip of the syringe. Pull the plunger out—decreasing the pressure inside the syringe. The marshmallow should expand—it’s volume increases. 6. Now push the syringe in—increasing the pressure inside the syringe. The marshmallow should shrink—its volume decreases.