Repeat Problem 3.130 for oxygen gas.

Data from Problem 3.130

We want to find the change in u for carbon dioxide between 600 K and 1200 K.
a. Find it from a constant Cv0 from Table A.5.
b. Find it from a Cv₀ evaluated from the equation in Table A.6 at the average T.
c. Find it from the values of u listed in Table A.8.