Match the project to the appropriate field of chemistry (inorganic chemistry, organic chemistry, biochemistry, analytical chemistry. or physical chemistry).
a. Determine the composition of a moon rock sample.
b. Do research on making a new medicine to treat high blood pressure.
c. Investigate ways to regulate the rate of gasoline burning in an automobile engine.
d. Develop a plastic that can be decomposed by bacteria.
e. Improve the method for extracting iron from iron ore.

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.

we need the questions , i may then you.

so whats the answer tell me