What is the pressure(in kpa) of 0.4 mol of hydrogen in a container of volume 8litres at 27degree Celsius?

1 Answer
Junaid Mirza
Apr 19, 2018

#"124.8 kPa"#

Explanation:

Use ideal gas equation

#"PV = nRT"#

#"P" = "nRT"/"V" = "0.4 mol × 0.0821 L atm / (mol K) × 300 K"/"8 L" = "1.2315 atm"#

Convert pressure in #"atm"# to #"kPa"#

#"1.2315 atm" = 1.2315 cancel"atm" × "101.325 kPa"/(1 cancel"atm") = "124.8 kPa"#

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