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What is the pressure of 64g O₂ enclosed in a cylinder of 20 litres at 27⁰C
Options
(a) 2.5 atm
(b) 2 atm
(c) 2.75 atm
(d) 3 atm
Correct Answer:
2.5 atm
Explanation:
PV = nRT. P = n/V RT = 64 x 0.0821 x 300 / 32 x 20 or P = 2.4630 = 2.5
What is the pressure of 64g O₂ enclosed in a cylinder of 20 litres at 27⁰C
