Review | Constants Estimate the number of air molecules in a room of length 7.2 m, width 3.2 m, and height 2.6 m. Assume the temperature is 23 C. Express your answer using two significant figures. N = Submit Request Answer Part B ? How many moles does that correspond to? Express your answer to two significant figures and include the appropriate units. n = Value Units ? A cubic box of volume 4.910-2 m is filled with air at atmospheric pressure at 20C. The box is closed and heated to 182 C. Part A What is the net force on each side of the box? Express your answer to two significant figures and include the appropriate units. H F = Value Submit Request Answer Provide Feedback 0 ? Units