1. Estimate the viscosity of nitrogen at 175 K using given equation.
![312_Equ 03.jpg](https://secure.tutorsglobe.com/CMSImages/312_Equ%2003.jpg)
2. Calculate the viscosity of oxygen at 350°K and compare with the value given in Appendix I.
3. What is the percentage change in the viscosity of water when the water temperature rises from 60 to 120°F?