Please help me. It's a question on Graham's law of diffusion. If 1.0dm³ of gas X diffuses through a porous pot in 60seconds while the same volume of hydrogen diffuses in 15 seconds under the same condition. Calculate the relative molecular mass of X . (H =1.0)
a. 4.0
b.8 0
c. 16.0
d. 32.0

If a simple machine aduces the strength of a force, what must be increased? the speed of the input force the work the simple machine performs the size of the simple machine the distance over which the force is applied

Do polar molecules have ionic bonds?

Asuspension of yeast cells is being grown under anaerobic conditions such that glucose is degraded to ethanol and carbon dioxide. if one wishes to follow this process by monitoring the release of 14co2, at which positions in the glucose molecule would the 14c label need to be incorporated?