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Questions and Answers
What is the result of molecular diffusion?
What is the result of molecular diffusion?
- An establishment of equilibrium
- An increase in concentration gradient
- A decrease in temperature
- A gradual mixing of material (correct)
What happens to molecular diffusion when concentrations are equal?
What happens to molecular diffusion when concentrations are equal?
- Molecules start moving faster
- Molecules start moving in the opposite direction
- Molecules continue to move, but at a slower rate (correct)
- Molecules stop moving completely
What is the term used to describe the state when an equilibrium has been established in molecular diffusion?
What is the term used to describe the state when an equilibrium has been established in molecular diffusion?
- Dynamic equilibrium (correct)
- Thermal equilibrium
- Static equilibrium
- Chemical equilibrium
In a phase with uniform temperature and no external net forces, what governs the process of diffusion?
In a phase with uniform temperature and no external net forces, what governs the process of diffusion?
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Which of the following is a characteristic of nonmetals?
Which of the following is a characteristic of nonmetals?
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Which elements make up the majority of the Earth's crust, atmosphere, oceans, and biosphere?
Which elements make up the majority of the Earth's crust, atmosphere, oceans, and biosphere?
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What is the main difference between compounds of metals and compounds of nonmetals?
What is the main difference between compounds of metals and compounds of nonmetals?
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Which two nonmetals make up about 99% of the observable ordinary matter in the universe by mass?
Which two nonmetals make up about 99% of the observable ordinary matter in the universe by mass?
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What is a common property of nonmetals when it comes to conducting heat and electricity?
What is a common property of nonmetals when it comes to conducting heat and electricity?
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