kanerobertrosss5557 kanerobertrosss5557
  • 06-11-2020
  • Chemistry
contestada

A sample of nitrogen gas collected at a pressure of 1.03 atm and a temperature of 279 K is found to occupy a volume of 568 milliliters. How many moles of N2 gas are in the sample

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kobenhavn kobenhavn
  • 10-11-2020

Answer: 0.025 moles of nitrogen gas are there in the sample.

Explanation:

According to ideal gas equation:

[tex]PV=nRT[/tex]

P = pressure of gas = 1.03 atm

V = Volume of gas = 568 ml = 0.568 L   (1L=1000ml)

n = number of moles  = ?

R = gas constant =[tex]0.0821Latm/Kmol[/tex]

T =temperature =[tex]279K[/tex]

[tex]n=\frac{PV}{RT}[/tex]

[tex]n=\frac{1.03atm\times 0.568L}{0.0821L atm/K mol\times 279K}=0.025moles[/tex]

0.025 moles of nitrogen gas are there in the sample.

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