Hsjdj5395 Hsjdj5395
  • 07-09-2017
  • Chemistry
contestada

If a nitrogen gas sample occupies a volume of 2.55 l at 22.0 °c and 0.860 atm, what is the mass of the n2 gas? (r = 0.0821 atm•l/mol•k

Respuesta :

Kalahira
Kalahira Kalahira
  • 19-09-2017
number of moles of gas = PV / RT = 0.860 x 2.55 / 0.821 x (22+273)
 
= 0.009054687 moles
 
Molar mass of N2 = 28g so we have 0.009054687 moles x 28g / mol = 0.253 g of N2
Answer Link

Otras preguntas

I’m not sure about how to combine like terms I need help
In which terrestrial biome would you expect to rake leaves? savanna tundra taiga (coniferous forest) temperate deciduous forest
The graph of the function B is shown below. If B(x) = -1, then what is x?
Charlotte reads 8 1/3 pages of a book in 10 minutes. At this rate, how many pages can Charlotte read in an hour?
Which reactant are involved in photosynthesis ?
An antagonist usually brings __ to the ___
HELP! Anything could, I'm just stuck on this problem. Felicia invested $25000 into an account earning 3% annual interest compounded quarterly. She makes not ot
does the moon rotate? why or why not?
Write a 3 sentence summary of Edgar Allen Poe's poem "Annabel Lee".
what state of matter is the air inside hot air balloon.