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Questions and Answers
What factors affect the rate of molecular diffusion?
What factors affect the rate of molecular diffusion?
- Temperature, size of the particles, and color of the fluid
- Pressure, color of the fluid, and size of the particles
- Temperature, pressure, and viscosity
- Temperature, viscosity, and size of the particles (correct)
What does diffusion explain?
What does diffusion explain?
- Equal distribution of molecules in a region
- Net flux of molecules from a region of lower concentration to one of higher concentration
- Net flux of molecules from a region of higher concentration to one of lower concentration (correct)
- Formation of concentration gradients
What occurs when the concentrations are equal in molecular diffusion?
What occurs when the concentrations are equal in molecular diffusion?
- Molecules undergo chemical reactions
- Molecules stop moving
- Molecules continue to move, but the process is governed by self-diffusion (correct)
- Molecules form a new phase
What is the result of diffusion?
What is the result of diffusion?
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How is molecular diffusion typically described mathematically?
How is molecular diffusion typically described mathematically?
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What is the term for the system of organs that includes the heart, blood vessels, and blood circulated throughout the body?
What is the term for the system of organs that includes the heart, blood vessels, and blood circulated throughout the body?
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What are the two divisions of the circulatory system?
What are the two divisions of the circulatory system?
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Which type of animals have an open circulatory system?
Which type of animals have an open circulatory system?
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What are the components of blood?
What are the components of blood?
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What does the circulatory system transport around the body?
What does the circulatory system transport around the body?
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