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Questions and Answers
At a given temperature, do all particles in a beaker have the same amount of energy?
At a given temperature, do all particles in a beaker have the same amount of energy?
- Yes, they all have the same amount of energy.
- No, they only have different energies during boiling.
- No, not all particles have the same kinetic energy. (correct)
- Yes, they have different energies due to evaporation.
What is vapor pressure and why must it be measured in a closed container?
What is vapor pressure and why must it be measured in a closed container?
- Pressure generated by a vapor in equilibrium; measured to prevent leaks.
- Pressure generated by a vapor in equilibrium; measured to avoid interference from outside factors. (correct)
- Pressure generated by a liquid in equilibrium; measured for safety reasons.
- Pressure generated by a liquid in equilibrium; measured to prevent contamination.
How does evaporation affect the temperature of a liquid?
How does evaporation affect the temperature of a liquid?
- It lowers the temperature by decreasing kinetic energy of remaining molecules. (correct)
- It increases the temperature due to higher kinetic energy of escaping molecules.
- It has no effect on temperature.
- It increases the temperature by releasing heat energy.
What is the effect of increasing temperature on the vapor pressure of a liquid?
What is the effect of increasing temperature on the vapor pressure of a liquid?
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Why does the boiling point of a liquid vary with atmospheric pressure?
Why does the boiling point of a liquid vary with atmospheric pressure?
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What are IMF's and which state of matter has the strongest intermolecular forces?
What are IMF's and which state of matter has the strongest intermolecular forces?
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