A silica glass is formed at a temperature of 700 °C with a viscosity of 106 P. The activation energy of viscous deformation for the glass is 490 kJ mol¹. Compute the annealing temperature range for viscosity from 10¹0 P to 10¹2 P. (Given R = 8.31 J mol¹¹ K-¹)

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Materials sciences Physics 

A silica glass is formed at a temperature of 700 °C with a viscosity of 106 P. The activation energy
of viscous deformation for the glass is 490 kJ mol¹. Compute the annealing temperature range
for viscosity from 1010 P to 10¹2 P.
(Given R = 8.31 J mol¹¹ K-¹)
Transcribed Image Text:A silica glass is formed at a temperature of 700 °C with a viscosity of 106 P. The activation energy of viscous deformation for the glass is 490 kJ mol¹. Compute the annealing temperature range for viscosity from 1010 P to 10¹2 P. (Given R = 8.31 J mol¹¹ K-¹)
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