How many grams of H2 will be produced, given 27.4 g of Al to start with? 2Al + 6HCl = 2AlCl3 + 3H2

41.1 g H2

3.07 g H2

1.36 g H2

244 g H2

0.756 g H2

Type the letter that represents the correct location for each particle type below.

In the millikan oil drop experiment they determined that every drop had a charge which was a while number multiple of -1.60x10^-19. if a drop has a total charge of -9.60x10^-19 then how many excess electrons are contained within the drop?

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