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The aneroid barometer is more durable and compact, and much easier to read. The only particular advantage of a Mercury barometer is that it's a direct measurement -- there's no calibration involved. If you can measure the height of the column above the pool and you know the density of mercury, you have the pressure.
What else can I help you with?
Which instrument is often filled with mercury or colored water or alcohol?
Thermometers are the instrument that is often filled with mercury, colored water, or alcohol. Most early thermometers were made with mercury.
What is an amalgram?
If you mean AMALGAM it is a mercury alloy often used in dental filings. :)
What are inches of vacuum?
Pressure is often measured in inches of mercury when describing barometric pressure in weather reports. This term is also known as "inches of mercury vacuum".
How long should the aim of a science experiment be?
If you are writing a practical report it can be very small! Often the aim is, simply stated, the hypothesis you are trying to test.
What is Practical search?
Practical search refers to a type of search strategy that focuses on efficiently finding relevant information or solutions in real-world scenarios, often utilizing heuristics and algorithms to optimize the search process. It emphasizes the application of practical methods over theoretical ones, aiming for effectiveness and speed in retrieving data or solving problems. This approach is commonly applied in fields like artificial intelligence, information retrieval, and decision-making processes.
Why are barometers often more practical than mercury barometers?
They are more portable and can be used for airplane equipment
What does a aneroid barometer look like?
Aneroid barometers usually look like a clock. A compact round cylinder with a glass front and a dial with pointer. Unlike mercurial barometers there is no need for a long case. Aneroid types use a small, collapsible, sealed metal can, to detect changes in pressure. The minute deformity of the can, is amplified by levers to turn the dial. all this can be held in a small instrument case, the size of a wall clock.
What element is used for barometers?
Mercury is commonly used in barometers due to its high density and ability to accurately measure air pressure. However, due to its toxicity, alternatives such as water, oil, or electronic sensors are often used now.
Is a liquid metal used in barometers?
Science and industrial labs often use mercury filled barometers due to mercury's high density and low vapour pressure. This allows the barometers column of liquid to be less than 1 meter high (760 mm Hg=1 atmosphere). As an additional advantage the meniscus of the mercury is upwards at the center, unlike water, making accurate reading simpler. However mercury's toxic attributes make it hazardous if spilled, so mechanical diaphragm barometers are often used.
What does a bronometer look like?
A barometer typically consists of a sealed glass tube filled with mercury or an aneroid mechanism. In a mercury barometer, the tube is inverted in a reservoir of mercury, allowing the mercury level to rise or fall based on atmospheric pressure changes. An aneroid barometer uses a flexible metal diaphragm that expands or contracts with pressure changes, moving a needle on a dial to indicate the pressure level. Both types are often encased in decorative housing, making them suitable for display.
What is Mercury's metal reactivity?
Mercury is a relatively unreactive metal. It is resistant to oxidation and corrosion, which is why it is often used in thermometers and barometers. However, it can react with strong acids and halogens to form compounds.
What does Hg stand for in the eye of a hurricane?
It refers to the barometric pressure in the hurricane's eye. A lower barometric pressure generally means a stronger storm. Hg is the chemical symbol for the element mercury, a metal that is liquid at room temperature. Barometric pressure is often given in units of either mmHg (millimeters of mercury) or inHg (inches of mercury). Both units refer to the early barometers, which consisted of a vacuum tube with its open end immersed in a dish of Mercury. Pressure was measured based on how high up the mercury moved in the tube, which climbed higher with higher pressures.
What is the mercury?
Mercury is most often found in thermometers.
What are the pros of living on mercury?
Mercury is the only metal which is a liquid at room temperature.One pro is that it conducts electricity well and is often used for electrical switches.It is also used for refining gold.One major con is that it is toxic. It is most dangerous when it is airborne.
Which instrument is often filled with mercury or colored water or alcohol?
Thermometers are the instrument that is often filled with mercury, colored water, or alcohol. Most early thermometers were made with mercury.
What is practical benefits?
Practical often means tangible and useful, and a benefit is something gained. So if something is a practical benefit, it is something that can help you in a meaningful way.
What is often hidden in the suns glare?
Mercury
