7. Unknown Pressure P Fluid of interest (Gas in most cases)- h Po Ambient Fluid (Atmospheric pressure in most cases) Reference Fluid Density p (Liquid, e.g. water or mercury) Gage Pressure AP- P- Po-pgh In a manometer, the pressure p inside the apparatus is given as p = Pex + pgh, where pex(po) is the external pressure, p is the mass density of the liquid in the tube, g = 9.806 m/s² is the acceleration of free fall, and h is the difference in heights of the liquid in the two sides of the tube. (The quantity pgh is the hydrostatic pressure exerted by a column of liquid. i) Suppose the liquid in the manometer is Hg, Pex is 760 torr, and the open side is 10.0 cm higher than the side connected to the sample. What is the pressure of the sample? The mass density of Hg at 25°C is 13.55 g/cm³. (Assume 25°C.)

7. Unknown Pressure P Fluid of interest (Gas in most cases)- h Po Ambient Fluid (Atmospheric pressure in most cases) Reference Fluid Density p (Liquid, e.g. water or mercury) Gage Pressure AP- P- Po-pgh In a manometer, the pressure p inside the apparatus is given as p = Pex + pgh, where pex(po) is the external pressure, p is the mass density of the liquid in the tube, g = 9.806 m/s² is the acceleration of free fall, and h is the difference in heights of the liquid in the two sides of the tube. (The quantity pgh is the hydrostatic pressure exerted by a column of liquid. i) Suppose the liquid in the manometer is Hg, Pex is 760 torr, and the open side is 10.0 cm higher than the side connected to the sample. What is the pressure of the sample? The mass density of Hg at 25°C is 13.55 g/cm³. (Assume 25°C.)

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

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Concept explainers

Kinetic-Theory of Gases

Kinetic theory of gases is the model or method which was developed in the 19th century by Maxwell and Boltzmann. This is possible as the interatomic force which is of short-range forces that are important for solids and liquids can be neglected for gases. This theory or gas law gives a molecular interpretation of the pressure and temperature of a gas and is consistent with gas laws and Avogadro’s hypothesis. This theory is very helpful to correctly explain the specific heat capacities of many gases, kinetic energy and it also explains the transport qualities such as viscosity, thermal conductivity, and diffusion with molecular parameters. As stated in the kinetic-molecular theory, the temperature of a substance or gas particle is related to the average kinetic energy of the particles of that substance. When a substance is heated, some of the absorbed energy is stored within the particles, while some of the energy increases the motion of the particles, called average kinetic energy.

Question

7.
Unknown Pressure
P
Fluid of interest
(Gas in most cases)-
Po
Ambient Fluid
(Atmospheric pressure
in most cases)
Reference Fluid
Density p
(Liquid, e.g.
water or mercury)
Gage Pressure AP - P-Po - rgh
In a manometer, the pressure p inside the apparatus is
given as p = pex + pgh, where pex(po) is the external
pressure, p is the mass density of the liquid in the tube, g
= 9.806 m/s² is the acceleration of free fall, and h is the
difference in heights of the liquid in the two sides of the
tube. (The quantity pgh is the hydrostatic pressure
exerted by a column of liquid.
i) Suppose the liquid in the manometer is Hg, Pex is 760
torr, and the open side is 10.0 cm higher than the side
connected to the sample. What is the pressure of the
sample? The mass density of Hg at 25°C is 13.55 g/cm³.
(Assume 25°C.)

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