Diffusion in liquids and gases Practice exercise 4

Refer to the image below. What process is occurring as the food colouring spreads in water?

Refer to the image below showing food colouring in water. Which principle best explains the uniform distribution of the colour over time?   (1 mark)

Refer to the image below showing food colouring in water. Which principle best explains the uniform distribution of the colour over time?   (1 mark)

Refer to the image below showing food colouring in water. Which principle best explains the uniform distribution of the colour over time?   (1 mark)

What allows particles in a liquid to move and spread out during diffusion?

What allows particles in a liquid to move and spread out during diffusion?    (1 mark)

What allows particles in a liquid to move and spread out during diffusion?    (1 mark)

What allows particles in a liquid to move and spread out during diffusion?    (1 mark)

What allows particles in a liquid to move and spread out during diffusion?    (1 mark)

In two separate rooms of equal size, Room A has a person spraying perfume in the corner. Room B has the same perfume placed in an open dish in the center. In which room will the scent be detected first at the opposite end and why?

In two separate rooms of equal size, Room A has a person spraying perfume in the corner. Room B has the same perfume placed in an open dish in the center. In which room will the scent be detected first at the opposite end and why?   (1 mark)

In two separate rooms of equal size, Room A has a person spraying perfume in the corner. Room B has the same perfume placed in an open dish in the center. In which room will the scent be detected first at the opposite end and why?   (1 mark)

In two separate rooms of equal size, Room A has a person spraying perfume in the corner. Room B has the same perfume placed in an open dish in the center. In which room will the scent be detected first at the opposite end and why?   (1 mark)

Two colourless gases, A and B, are released simultaneously from opposite ends of a long glass tube. A visible ring forms closer to end B. What conclusion can be drawn?

Two colourless gases, A and B, are released simultaneously from opposite ends of a long glass tube. A visible ring forms closer to end B. What conclusion can be drawn?

Two colourless gases, A and B, are released simultaneously from opposite ends of a long glass tube. A visible ring forms closer to end B. What conclusion can be drawn?   (1mark)

Two colourless gases, A and B, are released simultaneously from opposite ends of a long glass tube. A visible ring forms closer to end B. What conclusion can be drawn?   (1mark)

Two colourless gases, A and B, are released simultaneously from opposite ends of a long glass tube. A visible ring forms closer to end B. What conclusion can be drawn?   (1mark)

Which of the following best describes the process of diffusion?

Which of the following best describes the process of diffusion?    (1mark)

Which of the following best describes the process of diffusion?    (1mark)

Which of the following best describes the process of diffusion?    (1mark)

Why does diffusion occur faster in gases than in liquids?

Why does diffusion occur faster in gases than in liquids?   (1 mark)

Why does diffusion occur faster in gases than in liquids?   (1 mark)

Why does diffusion occur faster in gases than in liquids?   (1 mark)

Why does diffusion occur faster in gases than in liquids?   (1 mark)

Why does diffusion occur faster in gases than in liquids?   (1 mark)

Observe the diagram below showing brown gas particles spreading. What does this illustrate?

Observe the diagram below showing brown gas particles spreading in a container. Which principle best explains this behaviour of gas particles?    (1 mark)

Observe the diagram below showing brown gas particles spreading in a container. Which principle best explains this behaviour of gas particles?    (1 mark)

Observe the diagram below showing brown gas particles spreading in a container. Which principle best explains this behaviour of gas particles?    (1 mark)

The image shows gas diffusing from a pressurised chamber into a low-pressure one. If temperature remains constant, how would doubling the pressure in the first chamber affect diffusion?

The image shows gas diffusing from a pressurised chamber into a low-pressure one. If temperature remains constant, how would doubling the pressure in the first chamber affect diffusion?    (1 mark)

The image shows gas diffusing from a pressurised chamber into a low-pressure one. If temperature remains constant, how would doubling the pressure in the first chamber affect diffusion?    (1 mark)

The image shows gas diffusing from a pressurised chamber into a low-pressure one. If temperature remains constant, how would doubling the pressure in the first chamber affect diffusion?    (1 mark)

The image shows gas diffusing from a pressurised chamber into a low-pressure one. If temperature remains constant, how would doubling the pressure in the first chamber affect diffusion?    (1 mark)

The image shows gas diffusing from a pressurised chamber into a low-pressure one. If temperature remains constant, how would doubling the pressure in the first chamber affect diffusion?    (1 mark)

During high-altitude hikes in Mt. Kenya, some hikers feel dizzy. This is due to less oxygen diffusing into their bloodstream. Which explanation best supports this?

During high-altitude hikes in Mt. Kenya, some hikers feel dizzy. This is due to less oxygen diffusing into their bloodstream. Which explanation best supports this?   (1mark)

During high-altitude hikes in Mt. Kenya, some hikers feel dizzy. This is due to less oxygen diffusing into their bloodstream. Which explanation best supports this?   (1mark)

During high-altitude hikes in Mt. Kenya, some hikers feel dizzy. This is due to less oxygen diffusing into their bloodstream. Which explanation best supports this?   (1mark)

Refer to the image below. A student placed a drop of ink in a beaker of water and another in a beaker of ethanol. Predict which beaker will reach uniform colour faster and explain.

Refer to the image below. A student placed a drop of ink in a beaker of water and another in a beaker of ethanol. Predict which beaker will reach uniform colour faster and explain.   (1mark)

Refer to the image below. A student placed a drop of ink in a beaker of water and another in a beaker of ethanol. Predict which beaker will reach uniform colour faster and explain.   (1mark)

Refer to the image below. A student placed a drop of ink in a beaker of water and another in a beaker of ethanol. Predict which beaker will reach uniform colour faster and explain.   (1mark)