What are the practical applications of STP usuage for gases?

Question

Is it actually used for anything in the real world? I read that the R constant in Pv=nRT actually represents gases at STP

Answer 1

Are you sure about that? It doesn't make sense for R to be only valid at STP, since in that equation, T and P are variables.

Answer 2

use of STP in the real world... there are many applications'

first the reason why... it is easy to measure the temperature and pressure of a gas and it is easy to measure the volumetric flow rate of a gas. It is very difficult to measure the mass of a gas.

Once you know the actual T and P the volumetric flow rate can be adjusted to standard conditions.

Where is it used-

- large industrial users of natural gas (like power companies) can compare gas usage between different locations by correcting gas flow to STP conditions

- the petroleum, petrochemical and chemical industries all use or have gaseous streams that are at T&P conditions that are very different from standard conditions... standard conditions allow for comparisons of gas streams that are at different conditions... in addition, the same stream at different T&P can be compared to determine if the volumetric flow is the same or different.

- buyers and sellers of gas products (natural gas, oxygen, nitrogen, hydrogen, ethane, propane etcetcetc) usually correct the amount to STP for billing or paying invoices

For the average homeowner, there are very few applications where gas conditions have to be corrected to STP... maybe even none at all...