12:36Phase diagrams | States of matter and intermolecular forces | Chemistry | Khan AcademyKhan Academy860views
04:51Phase Changes, Heats of Fusion and Vaporization, and Phase DiagramsProfessor Dave Explains633views1rank
10:28Phase Diagrams of Water & CO2 Explained - Chemistry - Melting, Boiling & Critical PointThe Organic Chemistry Tutor664views
Multiple ChoiceAt what temperature can we no longer tell the difference between the liquid and gas phases?846views8rank
Multiple ChoiceThe ability for liquids to mix without separating into two phases is called _________.372views
Multiple ChoiceConsider adding enough heat to a solid sample of a substance below its melting point to change the sample to the gas above its boiling point. Which of the following would involve no change in temperature of the sample as the described transition occurs?364views
Multiple ChoiceCalculate the amount of heat (in J) required to heat 2.00 grams of ice from −12.0℃ to 88.0℃. The heat of fusion of water is 6.02 kJ/mol, the specific heat capacity of ice is 2.09 J/g ▪℃ and the specific heat capacity of water is 4.184 J/g ▪℃.396views
Multiple ChoiceConsider the phase diagram below: What changes would the sample undergo as the sample moves from the temperature and pressure at point 'a' to the temperature and pressure at point 'b'?915views1rank
Open QuestionBased on the phase diagram shown below, how will the melting point of the substance change if the pressure is increased above 1 atm?432views
Open QuestionIn the phase diagram for water, indicate the direction that the solid–liquid and liquid–gas coexistence lines will move along the temperature axis after the addition of solute.518views
Open QuestionA gaseous substance turns directly into a solid. Which term describes this change?333views
Open QuestionWhich term describes the process by which water vapor changes to the liquid state?337views
Open QuestionStarting from the lower triple point, what action(s) would produce liquid carbon?236views
Open QuestionStarting from the lower triple point, what action(s) would produce liquid carbon?319views
Open QuestionWhat does water undergo when it turns to gas from liquid on surface of a sidewalk?331views
Open QuestionConsider the phase diagram for iodine shown here. a. What is the normal boiling point for iodine? b. What is the melting point for iodine at 1 atm? c. What state is present at room temperature and normal atmospheric pressure? d. What state is present at 186 °C and 1.0 atm?
Open QuestionHow is the density of solid water compared to that of liquid water atypical among substances, and why is this significant?
Open QuestionExamine the phase diagram for iodine shown in Figure 11.39(a). What state transitions occur as we uniformly increase the pressure on a gaseous sample of iodine from 0.010 atm at 185 °C to 100 atm at 185 °C?
Open QuestionCarbon tetrachloride displays a triple point at 249.0 K and a melting point (at 1 atm) of 250.3 K. Which state of carbon tetrachloride is more dense, the solid or the liquid, and why?
Open QuestionBased on the phase diagram of CO2 shown in Figure 11.39(b), describe the state changes that occur when the temperature of CO2 is increased from 190 K to 350 K at a constant pressure of (b) 5.1 atm, (c) 10 atm, and (d) 100 atm.
Open QuestionConsider a planet where the atmospheric pressure at sea level is 2500 mmHg. Does water behave in a way that can sustain life on the planet?