What is the mass in grams of each of the following? a. 6.02 x 1024 atoms Bi
b. 1.00 x 1024 atoms Mn
C. 3.40 x 1022 atoms He
d. 1.50 x 1015 atoms N
e. 1.50 x 1015 atoms U

Which statement is usually true about the relationship between activation energy and reaction rates? low activation energy barriers result in low rates. high activation energy barriers result in low rates. low activation energy barriers result in no reaction. high activation energy barriers result in no reaction.

What is the ph of a 0.0010 m hno3? 1.0 3.0 4.0 5.0

Which statement is true about this reaction? 14n+1h 15o it is a practical source of energy on earth. it occurs only outside the solar system. its product is heavier than each of its reactants. it shows the critical mass of an element.