Best Answer: Air is about 21% by volume oxygen so 1 cubic foot of air contains about 0.21 cubic feet of oxygen. Use the idea gas equation to calculate the moles (you'll need to assume a pressure and temperature). Convert the moles to grams.
Making the world better, one answer at a time. Aunt Alexandra spends much of her time discussing the characteristics of the various families in Maycomb.o it is understandable that Jem & Scout didn't like her. Aunt Alexandra always wanted the kids to do things they didnt want to do. Like-Scout liked the fact that she is a tom boy and all Alexandra ever wanted to do was to change her into a proper young lady.
The Stephens insist that their grandchild Tabitha spend the weekend with them. To avert any magical disasters Samantha and Endora join them resulting the adults' squabbling. To escape the problems Tabitha disappears by turning herself into a cookie.