Diffusion in liquids and gases Practice exercise 3

Describe how particle arrangement and movement in liquids affects the diffusion process.  (2 marks)

Describe how particle arrangement and movement in liquids affects the diffusion process.  (2 marks)

The image below shows perfume particles spreading from one side of a room to the other over time. State two reasons, using the kinetic theory of matter, why the scent reaches all parts of the room.    (2marks)

The image below shows perfume particles spreading from one side of a room to the other over time. State two reasons, using the kinetic theory of matter, why the scent reaches all parts of the room.    (2marks)

The image below shows perfume particles spreading from one side of a room to the other over time. State two reasons, using the kinetic theory of matter, why the scent reaches all parts of the room.    (2marks)

The image below shows perfume particles spreading from one side of a room to the other over time. State two reasons, using the kinetic theory of matter, why the scent reaches all parts of the room.    (2marks)

In Mt. Elgon, a chef notices that water boils at a lower temperature, and food takes longer to cook. Using particle theory, explain why this happens at high altitudes.  (2 marks)

In Mt. Elgon, a chef notices that water boils at a lower temperature, and food takes longer to cook. Using particle theory, explain why this happens at high altitudes.  (2 marks)

The image below shows a closed glass container with gas particles at one end. Predict and explain what would happen to the particles over time if the container is heated, using particle theory.   (2 marks)

The image below shows a closed glass container with gas particles at one end. Predict and explain what would happen to the particles over time if the container is heated, using particle theory.   (2 marks)

The image below shows a closed glass container with gas particles at one end. Predict and explain what would happen to the particles over time if the container is heated, using particle theory.   (2 marks)

The image below shows a closed glass container with gas particles at one end. Predict and explain what would happen to the particles over time if the container is heated, using particle theory.   (2 marks)

Explain how temperature affects the rate of diffusion in both gases and liquids using the kinetic theory of matter.   (2 marks)

Explain how temperature affects the rate of diffusion in both gases and liquids using the kinetic theory of matter.   (2 marks)

Why does the scent of perfume spread faster in a hot room than in a cold one? Relate your answer to particle motion and spacing.    (2 marks)

Why does the scent of perfume spread faster in a hot room than in a cold one? Relate your answer to particle motion and spacing.    (2 marks)

Why does the scent of perfume spread faster in a hot room than in a cold one? Relate your answer to particle motion and spacing.    (2 marks)

Why do gases diffuse faster than liquids? Give two reasons.   (2 marks)

Why do gases diffuse faster than liquids? Give two reasons.   (2 marks)

A chef adds salt to a pot of hot soup but forgets to stir. Later, the soup tastes evenly salty. A student claims stirring is necessary for mixing. Explain why the claim is incorrect using kinetic theory.  (2 marks)

A chef adds salt to a pot of hot soup but forgets to stir. Later, the soup tastes evenly salty. A student claims stirring is necessary for mixing. Explain why the claim is incorrect using kinetic theory.  (2 marks)

The image below shows particles of ink in water over time. If the water is replaced with honey, predict and explain how the diffusion will change. Use particle arrangement and kinetic energy.   (2 marks)

The image below shows particles of ink in water over time. If the water is replaced with honey, predict and explain how the diffusion will change. Use particle arrangement and kinetic energy.   (2 marks)

The image below shows particles of ink in water over time. If the water is replaced with honey, predict and explain how the diffusion will change. Use particle arrangement and kinetic energy.   (2 marks)

Two identical balloons are filled, one with helium and one with oxygen. After 10 minutes, the helium balloon deflates slightly more. Explain this observation using particle size and motion.  (2 marks)

Two identical balloons are filled, one with helium and one with oxygen. After 10 minutes, the helium balloon deflates slightly more. Explain this observation using particle size and motion.  (2 marks)