Concept explainers
(a)
Interpretation:
Convert 2600 mmHg to psi
Concept introduction:
One-unit system is usually used in science but less generally used in daily life, is called the 'SI' system or ‘International system’. The other system is the metric system widely used in United States.
Conversion tables can be used to directly convert values of these two systems.
From unit conversion tables we can get the following relationships.
1 mmHg is the pressure exerted by a 1 mm vertical column of mercury (Hg) and ‘psi’ is the pressure which results from a force of one pound apply to one square inch area.
Convert U.S. units to SI units as,
(b)
Interpretation:
Convert 275 ft H2 O to kPa.
Concept introduction:
One-unit system is usually used in science but less generally used in daily life, is called the 'SI' system or ‘International system’. The other system is the metric system widely used in United States.
Conversion tables can be used to directly convert values of these two systems.
From unit conversion tables we can get the following relationships.
One ft H2 O is defined as the pressure of one foot of water column.
Convert U.S. units to SI units as,
(c)
Interpretation:
Convert 3.00 atm to N/cm2
Concept introduction:
There are two systems of units in use in the world. One-unit system is commonly used in science but less usually used in daily life, is called the 'SI' system or ‘International system’. The other system is the metric system widely used in United States.
Conversion tables can be used to directly convert values of these two systems.
From unit conversion tables we can get the following relationships.
‘atm’ is called the atmospheric pressure,is the pressure within the atmosphere of Earth.
Convert U.S. units to SI units as,
(d)
Interpretation:
Convert 280 cm Hg to dyne / m2.
Concept introduction:
There are two systems of units in use in the world. One-unit system is commonly used in science but less usually used in daily life, is called the 'SI' system or ‘International system’. The other system is the metric system widely used in United States.
Conversion tables can be used to directly convert values of these two systems.
From unit conversion tables we can get the following relationships.
1 mmHg is the pressure exerted by a 1 mm vertical column of mercury (Hg).
The dyne is defined as the centimeter-gram-second unit of force.
Convert U.S. units to SI units as,
(e)
Interpretation:
Convert 20 cm Hg of vacuum to atm.
Concept introduction:
There are two systems of units in use in the world. One-unit system is commonly used in science but less usually used in daily life, is called the 'SI' system or ‘International system’. The other system is the metric system widely used in United States.
Conversion tables can be used to directly convert values of these two systems.
From unit conversion tables we can get the following relationships.
‘atm’ is called the atmospheric pressure,is the pressure within the atmosphere of Earth.
1 mmHg is the pressure exerted by a 1 mm vertical column of mercury (Hg).
The relationship between units,
Consider atmospheric pressure as 1 atm.
(f)
Interpretation:
Convert 25 psig to mm Hg.
Concept introduction:
There are two systems of units in use in the world. One-unit system is commonly used in science but less usually used in daily life, is called the 'SI' system or ‘International system’. The other system is the metric system widely used in United States.
Conversion tables can be used to directly convert values of these two systems.
From unit conversion tables we can get the following relationships.
1 mmHg is the pressure exerted by a 1 mm vertical column of mercury (Hg).
‘psig’ is pounds per square inch in gauge pressure.
Units can be converted as,
(g)
Interpretation:
Convert 25 psig to mm Hg (absolute).
Concept introduction:
There are two systems of units in use in the world. One-unit system is commonly used in science but less usually used in daily life, is called the 'SI' system or ‘International system’. The other system is the metric system widely used in United States.
Conversion tables can be used to directly convert values of these two systems.
From unit conversion tables we can get the following relationships.
1 mmHg is the pressure exerted by a 1 mm vertical column of mercury (Hg).
‘psig’ is pounds per square inch in gauge pressure.
Units can be converted as,
(h)
Interpretation:
Convert 325 mmHg to mmHg gauge.
Concept introduction:
Gauge pressure is defined as the zero reference pressure against ambient air pressure.
(i)
Interpretation:
Calculate 45 psi to cm of carbon tetrachloride.
Concept introduction:
There are two systems of units in use in the world. One-unit system is commonly used in science but less usually used in daily life, is called the 'SI' system or ‘International system’. The other system is the metric system widely used in United States.
Conversion tables can be used to directly convert values of these two systems.
From unit conversion tables we can get the following relationships.
Units can be converted as,
Height of the fluid column can be calculated as,
Height = Pressure / (Density. gravitational acceleration)
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Chapter 3 Solutions
EBK ELEMENTARY PRINCIPLES OF CHEMICAL P
- 5-37 A sample of a gas at 77°C and 1.33 atm occupies a volume of 50.3 L. (a) How many moles of the gas are present? (b) Does your answer depend on knowing what gas it is?arrow_forwardperform stoichiometric ca1cu1uions for reactions involving gases as reactants or products.arrow_forward5-39 An 8.00-g sample of a gas occupies 22.4 L at 2.00 atm and 273 K. What is the molar mass of the gas?arrow_forward
- 5-34 A sample of 30.0 mL of krypton gas, Kr, is at 756 mm Hg and 25.0°C. What is the new volume if the pressure is decreased to 325 mm Hg and the temperature is decreased to-12.5°C?arrow_forward5-25 A gas in a bulb as in Figure 5-3 registers a pressure of 833 mm Hg in the manometer in which the reference arm of the U-shaped tube (A) is sealed and evacuated. What will the difference in the mercury levels be if the reference arm of the U-shaped tube is open to atmospheric pressure (760 mm Hg)?arrow_forward93 The complete combustion of octane can be used as a model for the burning of gasoline: 2C8H18+25O216CO2+18H2O Assuming that this equation provides a reasonable model of the actual combustion process, what volume of air at 1.0 atm and 25°C must be taken into an engine to burn 1 gallon of gasoline? (The partial pressure of oxygen in air is 0.21 atm and the density of liquid octane is 0.70 g/mL.)arrow_forward
- 5-38 What is the volume in liters occupied by 1.21 g of Freon-12 gas, CCI2F2, at 0.980 atm and 35°C?arrow_forward5-111 Diving, particularly SCUBA (Self-Contained Underwater Breathing Apparatus) diving, subjects the body to increased pressure. Each 10. m (approximately 33 ft) of water exerts an additional pressure of 1 atm on the body. (a) What is the pressure on the body at a depth of 100. ft? (b) The partial pressure of nitrogen gas in air at 1 atm is 593 mm Hg. Assuming a SCUBA diver breathes compressed air, what is the partial pressure of nitrogen entering the lungs from a breathing tank at a depth of 100. ft? (c) The partial pressure of oxygen gas in the air at 2 atm is 158 mm Hg. What is the partial pressure of oxygen in the air in the lungs at a depth of 100. ft? (d) Why is it absolutely essential to exhale vigorously in a rapid ascent from a depth of 100. ft?arrow_forwardHelium gas, He, at 22C and 1.00 atm occupied a vessel whose volume was 2.54 L. What volume would this gas occupy if it were cooled to liquid-nitrogen temperature (197C)?arrow_forward
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