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Questions and Answers
Which of the following statements about the kinetic molecular theory is FALSE?
Which of the following statements about the kinetic molecular theory is FALSE?
- The attractive forces between particles are negligible in gases.
- The particles have a wide range of kinetic energies.
- The particles are in constant random motion.
- The particles are closely packed in a crystalline arrangement. (correct)
During a phase change from a solid to a liquid, what happens to the molecular motion and intermolecular forces?
During a phase change from a solid to a liquid, what happens to the molecular motion and intermolecular forces?
- Molecular motion remains constant, intermolecular forces decrease.
- Molecular motion increases, intermolecular forces decrease. (correct)
- Molecular motion decreases, intermolecular forces increase.
- Molecular motion remains constant, intermolecular forces increase.
According to Dalton's law of partial pressures, what is the total pressure of a mixture of gases?
According to Dalton's law of partial pressures, what is the total pressure of a mixture of gases?
- The sum of the partial pressures of each gas. (correct)
- The average of the partial pressures of each gas.
- The ratio of the partial pressures of each gas.
- The product of the partial pressures of each gas.
A sample of gas has a volume of 2 liters at a pressure of 3 atm. What will be the volume if the pressure is increased to 6 atm at constant temperature?
A sample of gas has a volume of 2 liters at a pressure of 3 atm. What will be the volume if the pressure is increased to 6 atm at constant temperature?
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What is the primary factor responsible for the phenomenon of surface tension?
What is the primary factor responsible for the phenomenon of surface tension?
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