Why does the first method for determining volume work only for a regularly sales object

Which of the following are correct values for the ideal gas laws constant r

In one or two grammatically correct sentences, write a definition for the term molecule geometry

The comparison of the number of atoms in a copper coin the size of a penny with the number of people on earth is made to illustrate which of the following? a. that atoms are indivisible b. that atoms are very small c. that atoms are very large d. that in a copper penny, there is one atom for every person on earth