0.071- 13.9 14.0 20.3 33.2 T Kelvin (a) What is the normal melting point? K The normal boiling point? K (b) At what temperature and pressure do the three phases coexist in equilibrium? T = (c) Is hydrogen a solid, a liquid or a gas at room temperature and pressure? Ө (d) Which is the more dense phase, the liquid or the solid? K, P = atm (e) A 49.9 g sample of liquid hydrogen is heated at a constant pressure of 1 atm from a temperature of 20.3 K to a temperature of 72.1 K. How much energy in kJ is required? kj Answer the following questions based on the phase diagram (not to scale!) for hydrogen, H2, and on the following data: 58.4 J/g, AH vap = 452 J/g, specific heat gas = 14.3 J/g.K AH fusion 12.8 P 1.00 atm 0.071- 13.9 14.0 20.3 33.2 T Kolvin (a) What is the normal melting point? K The normal boiling point? K (b) At what temperature and pressure do the three phases coexist in equilibrium? T = K, P = atm
0.071- 13.9 14.0 20.3 33.2 T Kelvin (a) What is the normal melting point? K The normal boiling point? K (b) At what temperature and pressure do the three phases coexist in equilibrium? T = (c) Is hydrogen a solid, a liquid or a gas at room temperature and pressure? Ө (d) Which is the more dense phase, the liquid or the solid? K, P = atm (e) A 49.9 g sample of liquid hydrogen is heated at a constant pressure of 1 atm from a temperature of 20.3 K to a temperature of 72.1 K. How much energy in kJ is required? kj Answer the following questions based on the phase diagram (not to scale!) for hydrogen, H2, and on the following data: 58.4 J/g, AH vap = 452 J/g, specific heat gas = 14.3 J/g.K AH fusion 12.8 P 1.00 atm 0.071- 13.9 14.0 20.3 33.2 T Kolvin (a) What is the normal melting point? K The normal boiling point? K (b) At what temperature and pressure do the three phases coexist in equilibrium? T = K, P = atm
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter9: Liquids, Solids, And Materials
Section9.2: Vaporization And Condensation
Problem 9.2PSP: What mass (g) of ethanol, CH3CH2OH(), can be vaporized at its boiling point of 78.4 C by transfer of...
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