c) A diver breathing heliox with an oxygen composition of 59% wants to adjust the total pressure so thatl the partial pressure of Oz (g) 0.21 atm, what must the total pressure be?
c) A diver breathing heliox with an oxygen composition of 59% wants to adjust the total pressure so thatl the partial pressure of Oz (g) 0.21 atm, what must the total pressure be?
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter5: Gases
Section: Chapter Questions
Problem 78QAP
Related questions
Question
Question c
Transcribed Image Text:Gases Handout - Intro
Meaning
Equation
PV.-PV.
There is an inverse
relationship between pressure
and volume of a gas.
The volume of a gas is directly
proportional to the
temperature.
Relates P, V and T
6. Dalton's Law of Partial Pressure
a) A mixture of He, Ne, and Ar have a total pressure of 558 mmHg. If the partial pressure of
He is 341 mmHg and the partial pressure of Ne is 112 mm Hg, what is the partial pressure
T,
of Ar?
PV P.V.
T,
T
P- pressure (atm)
V- volume (L)
I-amount (mol)
R-0.0821 atm l.
T- temperature (K)
The total pressure of a
gas mixture is the sum of
the partial pressures of
cach gas.
PV-uRT
mol K
P + P - P ...
And
b) Calculate the partial pressure of O2 (g) that a diver breathes with a heliox mixture
containing 2% O2 (g) at a depth of 90 m where the total pressure if 10.0 atm.
ps for solving gas problems:
are given (your known values) and identify your
problem asking you for?)
oriate equation to use.
your unknown variable.
KIOW values if necessary.
o equation (including units!) and solve equation.
its cancel out appropriately.
our answer with proper units!
c)
A diver breathing heliox with an oxygen composition of 5% wants to adjust the total
pressure so thatl the partial pressure of Oz (g) 0.21 atm, what must the total pressure be?
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