How many carbon atoms are present in 0.46 moles of c2h6o?
a. 92 carbon atoms
b. 2.77 x 10 23 carbon atoms
c. 5.5 x10 23 carbon atoms
d. you do not have enough information to calculate.

The twister and runaway train are two coasters at the same amusement park. both coasters start at the same height. the coaster for the twister is twice the mass of the coaster for the runaway train. which roller coaster has greater gravitational potential energy at the start of the ride?

How much mass would a mole of hydrogen molecules contain? recall that hydrogen is diatomic. g/mol

Someone do this for me. im really stuck