What is the pressure of 64g O₂ enclosed in a cylinder of 20 litres at 27⁰C

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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

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Topics: States of Matter Gases and Liquids (80)
Subject: Chemistry (2512)

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