One type of gas mixture used in anesthesiology is a 50%/50% mixture (by volume) of nitrous oxide (N2O) and oxygen (O2), which can be premixed and kept in a cylinder for later use. Because these two gases don't react chemically at or below 2000 psi, at typical room temperatures they form a homogeneous single gas phase, which can be considered an below -6° C. however. N20 may begin condense out of the gas phase. Then a removed from the cylinder will initially be nearly pure O2; as the cylinder empties, the proportion of O2 will decrease until the gas coming from the cylinder is nearly pure N2O. In a test, the valve of 500 L cylinder full of the gas mixture at 2000 psi (gauge pressure) is opened wide so that the gas rushes out of the cylinder very rapidly. Part A Why might some N2O condense during this process? I gas. If the temperature drops to O This is an isochoric process in which the pressure decreases, so the temperature also decreases. any gas Because of the rapid expansion, heat is removed from the system, so the internal energy and temperature of the gas decrease. O This is an isobaric process, so as the volume increases, the temperature decreases proportionally. With the rapid expansion, the expanding gas does work with no heat input, so the internal energy and temperature of the gas decrease. Submit Request Answer
One type of gas mixture used in anesthesiology is a 50%/50% mixture (by volume) of nitrous oxide (N2O) and oxygen (O2), which can be premixed and kept in a cylinder for later use. Because these two gases don't react chemically at or below 2000 psi, at typical room temperatures they form a homogeneous single gas phase, which can be considered an below -6° C. however. N20 may begin condense out of the gas phase. Then a removed from the cylinder will initially be nearly pure O2; as the cylinder empties, the proportion of O2 will decrease until the gas coming from the cylinder is nearly pure N2O. In a test, the valve of 500 L cylinder full of the gas mixture at 2000 psi (gauge pressure) is opened wide so that the gas rushes out of the cylinder very rapidly. Part A Why might some N2O condense during this process? I gas. If the temperature drops to O This is an isochoric process in which the pressure decreases, so the temperature also decreases. any gas Because of the rapid expansion, heat is removed from the system, so the internal energy and temperature of the gas decrease. O This is an isobaric process, so as the volume increases, the temperature decreases proportionally. With the rapid expansion, the expanding gas does work with no heat input, so the internal energy and temperature of the gas decrease. Submit Request Answer
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter5: Gases
Section: Chapter Questions
Problem 35Q
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One type of gas mixture used in anesthesiology is a
50%/50% mixture (by volume) of nitrous oxide
(N2O) and oxygen (O2), which can be premixed
and kept in a cylinder for later use. Because these
two gases don't react chemically at or below
2000 psi, at typical room temperatures they form a
homogeneous single gas phase, which can be
considered an ideal gas. If the temperature drops
below -6° C, however, N2O may begin to
condense out of the gas phase. Then any gas
removed from the cylinder will initially be nearly
pure O2; as the cylinder empties, the proportion of
O2 will decrease until the gas coming from the
cylinder is nearly pure N2O. In a test, the valve of
a 500 L cylinder full of the gas mixture at 2000 psi
(gauge pressure) is opened wide so that the gas
rushes out of the cylinder very rapidly.
Part A
Why might some N20 condense during this process?
This is an isochoric process in which the pressure decreases, so the temperature also decreases.
Because of the rapid expansion, heat is removed from the system, so the internal energy and temperature of
the gas decrease.
This is an isobaric process, so as the volume increases, the temperature decreases proportionally.
With the rapid expansion, the expanding gas does work with no heat input, so the internal energy and
temperature of the gas decrease.
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Request Answer
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