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ammonia&camphor
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∙ 12y ago
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Does potash Alum Show sublimation or not?
no
What is atmospherical pressure at higher and lower altitude?
In general, barometric pressure, or atmospheric pressure, drops as you go up in elevation. For example, at 18,000 ft. above sea level, the average barometric pressure is about half the average pressure at sea level (see the related links for charts) However, barometric pressure also varies widely with the weather (weather charts almost always show the movement of low pressure and high pressure zones), so true barometric pressure cannot simply be calculated, but must be measured. In the United States, the National Oceanic and Atmospheric Administration provides hourly barometric readings for many locations across the country (see related National Weather Service measurement link)
What is a characteristic of a property?
properties that show differences between substances
NaCl is iodised salt and iodine show sublimation so while cooking is there any iodine present after the the food is cooked?
In iodized salt the iodine is not present in elemental form which under goes sublimation ,it is in the form of iodide ion which is soluble in water and can not evaporate during cooking.
What is polar substances?
water
What are some substances that display sublimation?
Well iodine,napthelene and camphour are some substance that show sublimation
Which airplane instrument is really just a barometer?
An altimeter is sensitive to atmospheric pressure and can show the altitude of the aircraft based on the change in atmospheric pressure from the aircraft ascending and descending. Likewise, a barometer, is sensitive to atmospheric pressure.
Can sublimation be used to identify a substance?
In theory, yes. In practice, this would be a difficult endeavor. Sublimation involves the change from the solid to gaseous state of matter. Inspection of a phase diagram will show that sublimation happens only in a narrow range of temperature and pressure. For many common substances this range is outside the standard temperature and pressure regions and therefore would require specialized equipment to carry out the analysis. For substances whose sublimation ranges do include the standard pressure region, the analysis would be relatively simple: heat the substance until it begins to sublime, noting the temperature range from beginning to end of the process. One could possibly even use the standard MelTemp apparatus. For substances whose sublimation ranges do include the standard temperature region, a pressure vessel could be designed to hold the substance at constant temperature while varying the pressure and making the observation noted in the paragraph above.
Does potash Alum Show sublimation or not?
no
What is atmospherical pressure at higher and lower altitude?
In general, barometric pressure, or atmospheric pressure, drops as you go up in elevation. For example, at 18,000 ft. above sea level, the average barometric pressure is about half the average pressure at sea level (see the related links for charts) However, barometric pressure also varies widely with the weather (weather charts almost always show the movement of low pressure and high pressure zones), so true barometric pressure cannot simply be calculated, but must be measured. In the United States, the National Oceanic and Atmospheric Administration provides hourly barometric readings for many locations across the country (see related National Weather Service measurement link)
Does Barometric Pressure affect arthritic conditions?
A barometer is a tool used to measure atmospheric pressure. Storms are preceded by a drop in atmospheric pressure. This change can cause joints to swell due to the decrease in pressure on them. This can be painful, especially in arthritic joints.
What kind of map might diagrams of air pressure?
A diagram of air pressure could be represented on a weather map. This map would use isobars - lines that connect areas with the same atmospheric pressure - to show areas of high and low pressure. The spacing of the isobars indicates the strength of the pressure gradient, which affects wind speed and direction.
What are two different things weather maps can show?
Air pressure and temperatures.
What is an activity to show sublimation?
Watch dry ice turn into carbon dioxide gas without going through a liquid stage.
What vapor?
Vapor doesn't really have a meaning if you look it up on the internet it will show you all the other types of vapor there is . Vapor is a substances in the gas form that can be condensed to a liquid by increasing its pressure without reducing the temperature.
What is a characteristic of a property?
properties that show differences between substances
NaCl is iodised salt and iodine show sublimation so while cooking is there any iodine present after the the food is cooked?
In iodized salt the iodine is not present in elemental form which under goes sublimation ,it is in the form of iodide ion which is soluble in water and can not evaporate during cooking.
