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The liquid rises up the tube due to capillary action, which is the ability of a liquid to flow in narrow spaces without the assistance of external forces like gravity. This occurs because the adhesive forces between the liquid and the tube are stronger than the cohesive forces within the liquid itself.
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Why does liquid rise in a capillary tube?
Liquid rises in a capillary tube due to capillary action, which is the result of adhesive and cohesive forces between the liquid and the tube. Adhesive forces between the liquid and the tube's surface cause the liquid to be attracted to the tube, while cohesive forces within the liquid molecules help pull the liquid up the tube against gravity.
How does the liquid in a thermometer move up and down?
When the liquid in the thermometer gets warmer it expands. This means its volume increases. The only place for the extra volume to go is up the tube, so the level of liquid rises. When the liquid gets colder it contracts (reduces in volume) so it moves back down the tube. See http://www.energyquest.ca.gov/how_it_works/thermometer.html
How does a fluid expansion thermometer work?
A fluid expansion thermometer consists of a bulb filled with a liquid, typically mercury or alcohol, connected to a capillary tube. As the temperature increases, the liquid in the bulb expands and rises up the capillary tube. The temperature is read by measuring the height of the liquid in the tube, which corresponds to the temperature scale on the thermometer.
What is a thin glass tube with a bulb on on end that contains liquid usually mercury?
It is a thermometer, and is used to show the temperature.
What makes a liquid in glass thermometer sensitive to a small changes in temperature?
As the temperature rises or falls the liquid in the reservoir (bulb) of the thermometer rises or falls ) the liquid expands (heats up) or contacts (cools off). The volume change is made visible in the capillary (tube) in the part of the thermometer with the scale. This is the only part of the thermometer into which the extra volume and expand.Increasing the volume of fluid or decreasing the diameter of the capillary makes the changes more apparent/
Why does the liquid in thermometer go up the tube when it gets hotter?
Heat causes mercury in the thermometer to expand, where as when it is cooled, it contracts.
Why does liquid rise in a capillary tube?
Liquid rises in a capillary tube due to capillary action, which is the result of adhesive and cohesive forces between the liquid and the tube. Adhesive forces between the liquid and the tube's surface cause the liquid to be attracted to the tube, while cohesive forces within the liquid molecules help pull the liquid up the tube against gravity.
Explain how a liquid thermometer measures temperature?
OK basically depending on what thermometer. the glass tube is filled with either alcohol or Mercury. and when it gets hotter, the liquid expands and takes up more space inside the tube. and colder.......the liquid compacts and moves down the tube.....and it's taken years to calabrate the markings on the tube to show the correct reading.
How does the liquid in a thermometer move up and down?
When the liquid in the thermometer gets warmer it expands. This means its volume increases. The only place for the extra volume to go is up the tube, so the level of liquid rises. When the liquid gets colder it contracts (reduces in volume) so it moves back down the tube. See http://www.energyquest.ca.gov/how_it_works/thermometer.html
What do we call the phenomenon that occurs when adhesion and cohesion work together to pull a liquid up a thin glass tube?
The phenomenon is called capillary action. It is the result of intermolecular forces between the liquid and the walls of the tube (adhesion) as well as between the liquid molecules themselves (cohesion), causing the liquid to move up the tube against gravity.
When you squeeze the rubber bulb ofa perfume atomizer how do you change the air pressure at the top of the tube?
When you squeeze the rubber bulb of a perfume atomizer, you decrease the volume of the bulb, which increases the air pressure inside it. This higher pressure forces air up through the tube to the nozzle. As the air exits the nozzle, it creates a drop in pressure at the top of the tube, allowing the liquid perfume to be drawn up from the reservoir and atomized into a fine mist.
What is the advantage of having a skinny tube in a thermometer?
The principal of the skinny tube is to allow expanded liquid to pass up it to indicate temperature
What is a thistle tube and is it used?
A thistle tube is a piece of laboratory glassware consisting of a shaft of tube, with a reservoir and funnel-like section at the top. Thistle tubes are typically used by chemists to add liquid to an existing system or apparatus.The thistle tube shaft is designed to allow insertion through a small hole present in some stoppers, permitting the tube to be inserted into a container such as an Erlenmeyer flask.
What happened when you placed a lighted match near the test tube?
The heat from the lighted match caused the liquid in the test tube to heat up. If the liquid was flammable, it may have caught on fire. However, if the liquid was not flammable, it would have simply heated up and there may have been no other visible changes.
How does an air thermometer work?
An air thermometer has a bubble of liquid inside the tube and when the air inside of the tube heats up or cools down, the air takes up either more or less space inside of the tube, causing the bubble of liquid to either move upwards or downwards, indicating the temperature.
Does liquid water rise higher in a narrow tube or a wide tube?
Rise or fall of liquid in a small passage or tube. When a glass tube of small internal diameter is inserted into water, the surface water molecules are attracted to the glass and the water level in the tube rises. The narrower the tube, the higher the water rises. The water is said to "wet" the tube. Water will also be drawn into the fibres of a towel, even if the towel is in a horizontal position. Conversely, if a glass tube is inserted into mercury, the level of the liquid in the tube falls. The mercury does not wet the tube. Capillarity is caused by the difference in attraction of the liquid molecules to each other and the attraction of the liquid molecules to those of the tube.
What is the procedure for removing the windshield washer reservoir on a 1999 Chrysler 300m?
# Open hood and disconnect the negative battery cable remote terminal from the remote battery post. # Hoist vehicle. # Remove front fascia as necessary (left side only and use a 2x4 to prop left edge of fascia away from body). # Reach up behind the washer reservoir and pull the filler tube off the rear of the reservoir. # Remove one screw attaching washer reservoir filler tube to upper radiator support. # Pull filler tube and hose up through left fender and remove. INSTALLATIONFor installation, reverse the above procedures.NOTE : Replace/refill washer fluid after tiller tube replacement.
