Calculate the pressure (in atm) at which the freezing temperature of water is -20°C = 253 K. H₂O(s)→ H₂O(l) AH°f (= AHM) V solid 1.963x10-5 m³/mole Vliquid 1.800x10-5 m³/mole = = = Caution: signs and units 6010 J/mole at TM = 273 K, (fusion = melting) Assume AH°f, Av₁ = V₁ - Vs are constant · · 1 atm = 1.013×105 Pa = 1 atm

Calculate the pressure (in atm) at which the freezing temperature of water is -20°C = 253 K. H₂O(s)→ H₂O(l) AH°f (= AHM) V solid 1.963x10-5 m³/mole Vliquid 1.800x10-5 m³/mole = = = Caution: signs and units 6010 J/mole at TM = 273 K, (fusion = melting) Assume AH°f, Av₁ = V₁ - Vs are constant · · 1 atm = 1.013×105 Pa = 1 atm

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter8: Thermochemistry

Section: Chapter Questions

Problem 12QAP: The heat of neutralization, Hneut, can be defined as the amount of heat released (or absorbed), q,...

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Calculate the pressure (in atm) at which the freezing temperature of water is -20°C = 253 K. H₂O(s)→ H₂O(l) AH°f (= AHM) V solid 1.963x10-5 m³/mole Vliquid 1.800x10-5 m³/mole = = = Caution: signs and units 6010 J/mole at TM = 273 K, (fusion = melting) Assume AH°f, Av₁ = V₁ - Vs are constant · · 1 atm = 1.013×105 Pa = 1 atm
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