Answer the following questions based on the phase diagram (not to scale!) for nitrogen. N₂. and on the following data: AHfusion=25.5 J/g. AHvap = 199 J/g. specific heat gas = 1.04 J/g.K P atm 33.5 1.00 0.127 A 63.1 63.2 77.4 126.0 T Kolvin (a) What is the normal melting point? 63.2 K The normal boiling point? 77.4 (b) At what temperature and pressure do the three phases coexist in equilibrium? T = 63.1 (c) is nitrogen a solid, a liquid or a gas at room temperature and pressure? gas v If a gas, is it a permanent gas? permanent (d) Which is the more dense phase, the liquid or the solid? P = 0.127 atm (e) A 46.8 g sample of liquid nitrogen is heated at a constant pressure of 1 atm from a temperature of 77.4 K to a temperature of 156.8 K. How much energy in kJ is required? D kj
Answer the following questions based on the phase diagram (not to scale!) for nitrogen. N₂. and on the following data: AHfusion=25.5 J/g. AHvap = 199 J/g. specific heat gas = 1.04 J/g.K P atm 33.5 1.00 0.127 A 63.1 63.2 77.4 126.0 T Kolvin (a) What is the normal melting point? 63.2 K The normal boiling point? 77.4 (b) At what temperature and pressure do the three phases coexist in equilibrium? T = 63.1 (c) is nitrogen a solid, a liquid or a gas at room temperature and pressure? gas v If a gas, is it a permanent gas? permanent (d) Which is the more dense phase, the liquid or the solid? P = 0.127 atm (e) A 46.8 g sample of liquid nitrogen is heated at a constant pressure of 1 atm from a temperature of 77.4 K to a temperature of 156.8 K. How much energy in kJ is required? D kj
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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