Question
1. A wettability test is done for two different solids: Aluminum and PTFE. The surface free energies were calculated as: Between Al-liquid: 70.3 J/m2 Between
1. A wettability test is done for two different solids: Aluminum and PTFE. The surface free energies were calculated as:
Between Al-liquid: 70.3 J/m2
Between liquid-vapor: X J/m2
Between Al-vapor: 30.7 J/m2
Between PTFE-liquid: 50.8 J/m2
Between liquid-vapor: Y J/m2
Between PTFE-vapor: 22.9 J/m2
Assuming the liquid is distilled water,
Please calculate the maximum range of X and Y and restrict the range into a reasonable
length of 5 /2
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Elementary Principles of Chemical Processes
Authors: Richard M. Felder, Ronald W. Rousseau
3rd Edition
978-0471687573, 9788126515820, 978-0-471-4152, 0471720631, 047168757X, 8126515821, 978-0471720638
