Choose the system of inequalities that best matches the graph below. A.

B.

C.

D.

The ratio pv to nrt is plotted against pressure for ch4 at 0°c and 200°c. why does the curve for 0°c drop below the horizontal line for an ideal gas whereas the curve for 200°c does not?

How can you tell when x and y are not directly proportional?

(60 points) explain this in detail