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Air is a mixture; it doesn't have a melting or boiling point. It has a mixture of carbon dioxide, ozone, oxygen, nitrogen, helium, etc. look up those gases separately and you will get answers.
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Do all substances have their own boiling point and freezing point?
please correct me if im wrong but i think everything that doesnt burn has a melting point Everything has a melting point, no matter how hard or dense. Even diamonds can melt if hot enough. Not everything has a melting point. Some things never change into liquid, they go from solid to gas. Dry Ice does this at room temperature. This process is called sublimation.
What is the boiling point and the freezing point of neon?
Living on a water table like this is never an easy situation. There are a few different options that would all definitely suffice for this particular occasion, though I would recommend vinyl: http://knol.google.com/k/new-basement-flooring-options#
What is the relationship between the three types of rocks?
All three types are parts of the 'rock cycle', the never ending cycle of erosion, deposition, lithification, metamorphism, melting, and solidification.
Why should melting point tests never be repeated on the same sample?
Once a sample has been melted, it may have decomposed slightly. Contamination with a decomposed product will change the MP of the sample, so a fresh sample must always be used for each new test.
How long will it be until antarctica melts if global warming continues at it's current rate?
Antarctica is a continent and continents do not melt. Today, the ice shelves at the edges of Antarctica are deteriorating from underneath, due to warming ocean waters. The ice sheet that covers 98% of the continent does melt and freeze seasonally. There is no exact answer to your question, but scientists have documented a trend with several options. One is that the continental ice sheet isn't melting.
What is helium's melting or boiling point?
Helium doesnt have a melting point as it will never form solid.
Why would a liquid have two different boiling points?
possibly if it has been contaminated by other substances (as compared to original boiling point - it seems as though it has 2 different boiling points) things such as sodium chloride (table salt) raise the boiling point of water and lower its melting point note though that a pure liquid can never have 2 different boiling points - the boiling point is a property of a a liquid and will never change no matter what. alternatively if the fluid concerned is a mix of 2 different liquids (eg. alcohol mixed in water) the liquid with the lower boiling point (eg. alcohol) will boil off first, then the remaining fluid will continue heating up until the 2nd boiling point is reached (eg. of water). thus the fluid seems to boil at 2 different temperatures
How does the melting point of the crude sample compare with that of the purified sample?
An impure sample will have a lower melting point, and will also have wider melting point range than that of a pure sample of the same substance. a sharp melting point range can also indicate a eutectic mixture
Are ice melts chemical reactions?
No, melting is never chemical! Neither is boiling, freezing, etc. Those are changes of 'the STATE of matter' and purely physical.
What is the property that is a quality of a substance that never changes and can be used to indentify the substance?
A quality of a substance that never changes is one of the reasons why density is a characteristic property
How would you know that the boiling rocks boil at same teperature each time?
By measuring the temperature of the rocks, and recording what temperature they are at when they start boiling. Also, through the years of chemistry, we've determined that each substance has properties that never change, such as boiling point, and melting point. Ice for instance melts into water above 32 F, or 0 C and boils at 212 F or 100 C. Below this range, water is a solid, (ice) and under normal conditions water will not heat above this range. The boiling point is the point at which as much energy is being put into it, the same amount will be released through boiling. The same can be said for the minerals that make up rocks, (except that the melting and boiling points on rocks is much hotter) Some conditions can change the boiling point of a substance. High pressure means a higher temperature will be needed to cause boiling (this is how a pressure cooker works) Low pressure will need a lower temperature to reach boiling.
What is the melting point for helium in kelvin?
helium is a gas so it doesnt meltThe melting point of Helium is
Do all substances have their own boiling point and freezing point?
please correct me if im wrong but i think everything that doesnt burn has a melting point Everything has a melting point, no matter how hard or dense. Even diamonds can melt if hot enough. Not everything has a melting point. Some things never change into liquid, they go from solid to gas. Dry Ice does this at room temperature. This process is called sublimation.
What would be the temperature of a pot water if you continued heating it for 10 minutes after it already started boiling?
If the water is actively boiling, it is never more than 100 degrees Celsius (212°F).When water is not boiling (because of pressure or lack of nucleation points), it can become hotter than 100°C, a process known as superheating.
What would be temperature of a pot of water if you continued heating it for 10 minutes after it had already started boiling?
If the water is actively boiling, it is never more than 100 degrees Celsius (212°F).When water is not boiling (because of pressure or lack of nucleation points), it can become hotter than 100°C, a process known as superheating.
What would the temperature of a pot of water be if you continued heating for 10 minutes after it had already started boiling?
If the water is actively boiling, it is never more than 100 degrees Celsius (212°F).When water is not boiling (because of pressure or lack of nucleation points), it can become hotter than 100°C, a process known as superheating.
Why does boiling oil bubble?
Hmmm, I have never seen or heard of hot oil boiling.
