Why Mercury is Used in Thermometer

Mercury used in thermometers. Mercury has a lower coefficient of expansion compared with alcohol.

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It doesnt wet the glass so you dont get i.

. It will not enlarge when it solidifies therefore it doesnt fracture the glass tube of the. Mercury is used in thermometers because it is a metal that stays liquid in the room. Mercury is in liquid state at room temperature.

Thermometers are a useful thing to have in your home. Mercury has a high boiling point it may be used to detect greater temperatures as well. In a mercury thermometer a glass tube is filled with mercury and a standard temperature scale is marked on the tube.

Even there is the slightest variation in temperature is noted by mercury so shows an immediate change. That is why mercury is used in thermometers. Mercury is a good conductor of heat.

Hence it can be used over a wide range of temperature. All these reasons make it ideal for detecting high temperatures. As a result you can get finer.

Mercury is a liquid from -39 ºC to 357 ºC. Gaurav Jhaa discussing here in detail about the rate of flow of mercury in cap. When two bodies touch their temperature adjusts which means that the colder gets warmer the warmer gets colder.

It also has a high boiling point which makes it very suitable to measure higher temperatures. Many of the other benefits I list would apply to most metals but being a solid is a dealbreaker. Liquid in glass thermometers are the cheapest kind of thermometer and are also easy to use.

Also it has the property of a high coefficient of expansion. Why is mercury used for pressure. Its stage indicates the temperature as rapidly as potential and perfectly.

Answer 1 of 75. Mercury is the only metal that is in liquid state at room temperature. Ad Find Deals on welch allyn 01690-200 suretemp plus 690 electronic thermometer in Personal Care on Amazon.

Few materials can be liquid in a similar rangeand mercury is the only pure metal that is liquid at room temperature. Mercury as a metal has a high electrical conductivity. It is used in thermometers because it has a high coefficient of expansion which makes it easy to move in the thermometers as per the temperatures.

Mercury is the only one in a liquid state at room temperature. You can use one to detect a fever and people also often use them in cooking in order to determine if a roast is cooked to the proper temperature. Mercury has a greater coefficient of thermal expansion than alcohol.

Mercury has a boiling point which makes it suitable to measure higher temperatures. With changes in temperature the mercury expands and contracts and the temperature can be read from the scale. It is used in thermometers because it has a high coefficient of expansion making it easier to move around in it when the temperature changes.

One of them is fixed. Furthermore mercury has a low specific heat capacity and is a good conductor of heat. Mercury is a chemical element the only common metal to be liquid at room temperature.

The other wire is can move along a threaded rod. Mercury thermometers can be used to determine body liquid and vapor temperature. It is very reflective so its easy to see and to read accurately.

When put under the armpit the mercury in the clinical thermometer therefore becomes warmer and expands. It is a poor conductor of heat but a fair conductor of electricity and is an alloyant of several other metals including silver and gold. It is used in thermometers because it has a high coefficient of expansion.

Mercury is used in thermometers because it expands uniformly has a high boiling point and is available in a liquid state at room temperature. Why do we use mercury thermometer. It has a lower freezing point -39C and a high boiling point 35C.

Why is mercury used as thermometer liquid give three reasons. Why generally HgMercury is used in Thermometer. Why is mercury used in thermometers instead of alcohol.

Do you know the reason behind usage of mercury in thermometerIf you dont knowlearn from our videoThis video gives you the detail explanation of why the m. You can use a thermometer to check if sugar is being melted or burned and if. There is a technical reason for using mercury in clinical thermometers.

This continues until they are warm. It is shiny liquid metal hence can be easily seen through the glass of the thermometer tube. This means a column of mercury will expand and rise more than a column of alcohol for the same temperature change.

Its used in thermometers because it has high coefficient of expansion. Also it does not stick to any surface. It has a fairly large expansion for a small change in temperature.

Mercury is also known as quicksilver and liquid silver. Mercury is commonly used in barometers because its high density means the height of. As you know metals are good conductors of heat.

Mercury is an ideal thermometer filling for 5 reasons. Imagine two thin wires inside the capillary of your thermometer. In addition to the answer and the comment given the use of mercury in thermometers had another advantage frequently used in the lab.

Mercury was named after a Roman god of wisdom. Mercury is easily the best liquid to use for 5 important reasons. Mercury is the only one in liquid state at room temperature.

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