Which of the Following Statements Is Correct

question 77

Multiple Choice

Which of the following statements is correct?

• A)When the temperature of a sample of liquid is increased, the molecules move faster, but there is no change in the vapor pressure of the sample.
• B)The melting point of metallic sodium is 97.8^oC, so at a temperature of 25^oC, it is a liquid.
• C)If you cook an egg on a mountain, it will require a short cooking time, due to the high elevation.
• D)When liquids evaporate, it requires an input of energy from the surroundings, so the surroundings become warm.
• E)Nitrogen gas has a boiling point of -196^oC, so if it is cooled to -200^oC, it condenses.

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