A sample of gas contains 0.180 mol of C2H4(g) and 0.180 mol of H2O2(g) and occupies a volume of 13.6 L. The following reaction takes place:
C2H4(g) + H2O2(g) -CH2OHCH2OH(g)
Calculate the volume of the sample after the reaction takes place assume temperature and
pressure are constant).
___ L

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