pract.quiz1 - 1. The vapor pressure of water at 25C is...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
1. The vapor pressure of water at 25°C is 23.76 Torr and its standard enthalpy of vaporization at that temperature is 44.0 kJ · mol 1 . Estimate the vapor pressure of water at 40°C (in Torr.) Answer 2. Which of the following statements is correct? A. The critical point is the end of the solid-liquid phase boundary. B. Supercritical fluid is formally a gas, because it has low density. C. The critical temperature is the temperature at and above which there is no transition from vapor to liquid. D. None of the statements above is correct. 3. Which of the following statements are correct? I. Near room temperature most gases become less soluble in water as the temperature is raised. II. Near room temperature most gases become more soluble in water as the temperature is raised. III. Most ionic and molecular solids are more soluble in warm water than in cold. IV. Most ionic and molecular solids are less soluble in warm water than in cold. A.
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 3

pract.quiz1 - 1. The vapor pressure of water at 25C is...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online