Of the following gases, will have the greatest rate of effusion at a given temperature. a. HBr
b. CH4
c. HCl
d. Ar
e. NH3

How hot is the suns corona? (integrated science)

If a molecule with a molecular formula of c13h18 is treated with an excess of h2 in the presence of finally divided pt metal under conditions required for maximum hydrogenation of the molecule to give a molecule with a formula c13h24, how many rings are in the molecule?

Apush or pull that moves or changes and object when to objects touch