Caffeine molecules are large. do you think caffeine molecules can easily pass into a cell? why or why not?

Yes, caffein molecules can easily pass into a cell.

Caffeine is a chief ingredient of tea and coffee. When a person drinks tea or coffee the caffeine is carried along the bloodstream and transferred to all the cells in the body. Caffeine molecules although large but they are soluble in the body fat. This fat solubility ensures the passage of caffeine through the cell membrane. It is readily absorbed by the stomach and intestine and then to blood stream, and then blood carries it to other organs of the body. It permeates to all organs of the body, faster than other drugs but slower than alcohol. It receives no physiological barrier which can prevent the passage through tissues in the body. Therefore, the concentration of caffeine remains virtually the same throughout all the bodily fluids like blood, semen, saliva and breast milk.

- "the choice that is not an indicator of a chemical change is "state of matter changes". more common than not, chemical reactions produce energy in the form of light or heat. along with energy, they also produce a new substance called the product that could be in any state of matter (solid, gas, or liquid)."

the ideal gas law equation is as follows

pv = nrt

where p - pressure

v - volume

n - number of moles

r - universal gas constant

t - temperature

so if the pressure, volume and temperature are already known

we are left with n and r

since r is the universal gas constant that has a known fixed value then r too is known

so we are left with 'n'

once we know temperature volume and pressure

we can find the number of moles of gas present using the ideal gas law equation

this is not my own answer, this is an answer for the same question by the user blahblahmali. i do not claim ownership of this account.