What is molecular weight (mass?

I'm studying about the catalysts on the transesterification of this microalgal oil and i need to use molar basis since it's stoichiometry, instead of mass basis. That's why i need to know the molar mass of the oil extracted from Chlorella vulgaris to...

This one is playing on my vocab I think. Its asking me the weight of a weight. Do I multiply (22.4L/mol)(2.18g/l) and end up with 48.8 g/mol?

Assume that a planet will have lost its initial atmosphere by the present time if the average (daytime) molecular speed exceeds one-sixth of the escape speed

I know how to get the total molecular weigt in glucose. C6, H12, O6 C has 6 atoms, atomic weight 12 = 6 x 12 = 312 (molecular weight) H has 12 atoms, atom weight 1.00794 = 12x1.00794 = 12.095 O has 8 atoms, atomic weight 16 = 8x16 = 128 All together...

I'm trying to better understand the process of weight gain/loss in biological and physical terms. Conservation of Mass means your body can't gain more weight/mass than it takes in, but people tend to think about weight change in terms of calories, which...

ok on howstuffworks.com im reading about physics but heres a section i need an answer to. I can totally understand their definition of how mass differs to weight in that mass is a measure of matter. and your mass is the same no matter where you are in...

a)weight deals with one sixth the amount of gravity that mass does b)weight deals with no gravity, whereas mass does deal with gravity c)weight deals with the pull of gravity, whereas mass does not d)weigh and mass have no difference. the terms mean...