Problem 8.60 A multipatient hyperbaric chamber has a volume of 3400 L. At a temp

Question

Problem 8.60 A multipatient hyperbaric chamber has a volume of 3400 L. At a temperature of 24 C, how many grams of oxygen are needed to give a pressure of 2.4 atm? (Express the mass to two significant figures include the appropriate units) Problem 8.60 A multipatient hyperbaric chamber has a volume of 3400 L. At a temperature of 24 C, how many grams of oxygen are needed to give a pressure of 2.4 atm? (Express the mass to two significant figures include the appropriate units) A multipatient hyperbaric chamber has a volume of 3400 L. At a temperature of 24 C, how many grams of oxygen are needed to give a pressure of 2.4 atm? (Express the mass to two significant figures include the appropriate units)

Explanation / Answer

Apply ideal gas law

Apply Ideal Gas Law,

PV = nRT

where

P = absolute pressure

V = total volume of gas

n = moles of gas

T = absolute Temperature

R = ideal gas constant

PV = nRT

n = PV/(RT)

n = (2.4)(3400)/(0.082*(24+273))

n = 335.057 mol

assume 100% oxygen

so

mol of O2 = 335.057

mass = mol*MW = 335.057*32 = 10721.824 g of O2 --> 1.1*10^4 g of O2

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