When doing calculations, should pressure be in atm or Pa? (looking for answers in joules)
Doesn't matter AFAIK as long as you adjust the constants for example R in PV=nRT.
Good'o. I jsut wanted to double check.
Use Pascals. P = F / A, Force is usually given in Newtons amd 1 Pa = 1 Nm^-2.
edit: should read the thread title, good practice anyway :).
all you need is to have is consistant units.
pressure in Pa, volume in cubic meters and R = 8.3145 J mol^-1 K^-1
then work will be in joules
Always choose the path with the least number of conversions.
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