If a package of corn chips weighs 1.2 ounces what is the weight in ounces of 48 packages

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?

What is the solution for 6 - 7/8? explain the steps.

Def rotates 90 clockwise about point a to create d’ e’ f’. therefore, which equation must be true ?