What is the pressure of a gas in kPa if 0.250 moles of the gas occupies a volume of 4.75 liters at 273 K?

1 Answer
Junaid Mirza
Nov 9, 2017

#"119.56 kPa"#

Explanation:

From ideal gas equation #"PV = nRT"#

#"P" = ("nRT") / "V" = ("0.250 mol × 0.0821" ("L atm") / ("mol K") × "273 K") / ("4.75 L") = "1.18 atm"#

Now, convert pressure in atm to kPa

#"P" = "1.18" cancel"atm" × "101.325 kPa" / cancel"atm" = "119.56 kPa"#

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