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What is the eccentricity of mercury's orbit?
Mercury has an eccentricity of about 0.206, which means its orbit is more elliptical than circular. This eccentricity causes Mercury's distance from the Sun to vary significantly during its orbit, leading to temperature extremes on the planet's surface.
What is unusual about mercury the metal?
Mercury is unusual because it is the only metal that is liquid at room temperature. It also has a high density compared to other metals, and it does not easily oxidize or tarnish. Additionally, mercury has a very high surface tension, which causes it to form cohesive droplets rather than spreading out like other liquids.
Why is Mercury's atmosphere alwayse replaced?
Mercury's atmosphere is constantly replenished because of several factors, including the planet's proximity to the Sun, which causes high temperatures and solar wind to strip away gases from the atmosphere. Additionally, impacts from comets and asteroids can release trapped gases from the surface, contributing to the replenishment of the thin atmosphere on Mercury.
What causes the temperature difference on Mercury between night and day?
The sun facing half is heated by the Sun, so it is hot. The half facing away form the Sun is in shadow so this half is cool.
What happens to liquid in a thermometer when it gets hot?
Mercury expands when heated. The majority of the mercury is contained in the bulb at the bottom and the expansion forces it to move upwards into the narrow column where the temperature scale is located. The expansion is very linear with temperature which makes it possible to relate the distance moved up the tube with the change in temperature. Almost every material known to mankind expands when heated. Mercury and a few other liquids exist in a temperature range that is convenient for use in thermometers. (Mercury has a freezing point of −39 °C and boiling point of 357 °C.) Mercury has the advantage of being visible, i.e. not transparent, but other liquids are sometimes colored with dye for use in a thermometer. Mercury will not deteriorate over time as happens with some dyed liquids. Being a pure material, its physical properties are unambiguous and so amenable to standardization. Unfortunately, Mercury has some toxic qualities that require can in its use.
What causes the pointer on a thermostat to move to a different temperature reading?
The pointer on a thermostat moves when the room temperature changes. This change in temperature causes the thermostat's sensor to detect the difference and adjust the pointer accordingly to indicate the new temperature reading.
What causes the temperature in mercury?
It is caused by solar radiation.
What causes a 2000 dodge durango's heater to blow cold air when the thermostat ans heater core have been replaced with new parts?
The temperature blend door may be at fault.
Why the mercury level can rise or fall in a thermometer?
The mercury level rises in a thermometer when the temperature increases because heat causes the mercury to expand, pushing it up the tube. Conversely, the mercury level falls when the temperature decreases because the cooler temperature causes the mercury to contract, moving it down the tube.
What causes a 1996 Nissan Altima to overheat?
could be your thermostat is stuck or perhaps and needs to be replaced.
What causes a 1993 Mercury Cougar to keep running hot after 15 to 30 minutes when you can find no leaks and the thermostat has been replaced?
Bad cooling fan or thermal relay. Bad water pump, clogged radiator.
What causes the thermostat to open?
The thermostat opens in response to the engine reaching a certain temperature. It is designed to regulate the flow of coolant through the engine to maintain optimal operating temperature.
What happens to the mercury in a thermometer Why?
The mercury in a thermometer expands and contracts as temperature changes. This expansion and contraction causes the level of mercury in the thermometer to rise or fall, providing a visual indication of the temperature.
What are the possible causes of brief high temperature readings in your automobile?
If the temperature goes up and down and the coolant level is ok your thermostat is probably sticking. Replace the thermostat and you should solve the problem.
What causes a hot water heater to continually run?
The Thermostat and Temp and Press Valve is faulty and needs to be replaced. or the PRV (pressure reducing valve) is dirty and must be replaced
What causes bromine and mercury to have such low melting points?
because they are at room temperature exists
What causes the thermostat to read a lower temperature than actual engine temperature?
this could be as a result of failed thermostat, since they now fail-safe ie they're opened to allow water to circulate freely.
