Given the model, answer the following questions regarding effusion. the orange spheres have a greater root-mean-square speed than the blue spheres. assume the balloon has a tiny opening for gas molecules to escape.

Afamily is one another name for a group on the table of elements.

How many absorptions would you expect to observe in the 13c nmr spectra of the following molecules? a) 3-chloropentane b) cis-4-methyl-2-pentene

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