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A closed end manometer has a U tube with a sample of hydrogen gas in the bulb The difference in the height of the columns of mercury is 18.0 cm What is the pressure of the hydrogen gas in torr?
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∙ 12y ago
140 torr
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∙ 14y ago
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What is another term used to describe the groups of elements in columns of the period table?
The another term used is Families. The vertical columns are referred as groups or families.
What are some solids and gases?
A solid could be ice, and most metals like iron which are found in columns three through twelve on the periodic table. Some gases include hydrogen, oxygen, nitrogen, and carbon. Gases can be found on the last two columns to the right on the periodic table (columns 17 and 18).
What is the difference between periods and families?
The horizontal rows are known as periods. The vertical columns are known as groups / families.
The vertical columns on the periodic table are called groups or what elsecan they be called?
COLUMNS columns
What is the slim and graceful Greek columns called?
Slim and graceful columns are most known as Ionic columns.
A closed-end manometer has a U-tube with a sample of oxygen gas in the bulb The difference in the height of the columns of mercury is 16.5 cm What is the pressure of the hydrogen gas in torr?
165
What is compound manometer?
Compound Manometer is an 'U' Tube manometer having 'T' joints at appropriate equal elevation in the columns of U tube manometer where the impulse lines are to be connected to measure Differential Pressure. T joint allows the use Two liquids simultaneously in the manometer. i.e. the liquid who's differential pressure is to be measured being lighter it will gauge at the top and a heavier liquid which does not dissolve with the lighter fluid will gauge at the bottom. Elevation difference in lighter liquid as well as heavier liquids gives their respective differential pressure. Both the differential pressure will be equal in terms of Pressure Units. Since two liquids are used simultaneously this type of U tube manometer is called Compound Manometer.
A manometer is used to measure?
an instrument for measuring the pressure of a fluid, consisting of a tube filled with a liquid, the level of the liquid being determined by the fluid pressure and the height of the liquid being indicated on a scale
Why would it be necessary to attech a manometer to the hypsometer?
A manometer is a device that measures fluid pressure. A hypsometer is an instrument that measures height or elevation. One way to measure elevation is by using atmospheric pressure, which decreases with altitude. A hypsometer that uses this principle is called a boiling point apparatus or a pressure hypsometer. It consists of a thermometer and a vessel in which water is boiled. The boiling point of water depends on the atmospheric pressure, so by measuring the temperature of the boiling water, the pressure can be inferred and then converted to elevation. A manometer can be attached to the hypsometer to measure the pressure of the steam inside the vessel directly, without relying on the thermometer. This can improve the accuracy and reliability of the elevation measurement, especially if the thermometer is not calibrated or affected by other factors. A manometer with only one side open to the atmosphere is an ideal device for measuring gauge pressures, which are relative to the atmospheric pressure. The gauge pressure is p g = hρg and is found by measuring h, the height difference of the fluid columns in the U-shaped tube of the manometer. By knowing the gauge pressure and the atmospheric pressure, the absolute pressure inside the vessel can be calculated and then used to determine the elevation.
Is thermometer a type of manometer?
Not quite; This is what the first source said about how a thermometer works; This liquid is sometimes colored alcohol but can also be a metallic liquid called mercury. Both mercury and alcohol grow bigger when heated and smaller when cooled. Inside the glass tube of a thermometer, the liquid has no place to go but up when the temperature is hot and down when the temperature is cold. In other words, the thermometer goes up or down due to the expansion of the alcohol or mercury due to the heat. After reviewing the second source, you will see that the columns go up and down due to the atmospheric pressure. If it goes up and down due to atmospheric pressure it is a manometer. A manometer does not work if it is not exposed to the atmosphere. A thermometer is sealed off to the outside. This is another reason why a thermometer is different from a manometer.
What is the difference between rows and columns?
Rows are horizontal and columns are vertical.
What is the difference between a pressure vessel and a column?
Columns should be installed in vertical direction only on the other hand pressure vessels can be installed in both vertical and horizontal direction and having certain height limitations for vertical installation.
What is another term used to describe the groups of elements in columns of the period table?
The another term used is Families. The vertical columns are referred as groups or families.
How does sea level pressure differ from station pressure?
Station Pressure is the actual pressure the station records, however this isn't really used in meteorology as there is no comparsion due to elevation, therefore for a synoptic look, Station Pressure is converted to Sea Level Pressure.
What are some solids and gases?
A solid could be ice, and most metals like iron which are found in columns three through twelve on the periodic table. Some gases include hydrogen, oxygen, nitrogen, and carbon. Gases can be found on the last two columns to the right on the periodic table (columns 17 and 18).
What is then main difference between period and group?
Groups are the (vertical) columns on the periodic table of the elements, while (horizontal) periods are the rows on the table. Hydrogen is the only one that doesn't really belong in a group although it is usually placed in either group 1A or group 7A.
What is the difference of trial balance of balances and trial balance of totals?
trial balance of balances is the trial balance with two columns while trial balance of totals is the one with four columns
