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boiling:boils melting: melts freezing:freeze

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Q: Define and compare boiling points melting points and freezing points?
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Related questions

What three standard points define the common temperature scales?

Absolute zero, melting/freezing point of pure water, and boiling point of pure water.


Define freezing points?

Melting (freezing) point: the temperature when the solid substance become a liquid.


Define boiling point and melting point?

MELTING POINT:-The point at which solid starts melting and turn into liquid it iscalled MELTING POINT.BOILING POINT:-The point at which liquid molecules starts escaping fromthe surface and turn into gas is called BOILING POINT.


How do you define freezing point?

The point at which a substance transitions state from a solid to a liquid or vice versa (the melting point and the freezing point are the same temperature; which you call it depends on which direction you're approaching it from).


Define a melting point and boiling point of a substance?

The melting point of a substance, at a specified pressure, is the temperature at which it changes phase - from solid to liquid. The boiling point is the temperature at which the phase changes from liquid to gas.


What temperatures define the celsius temperature scale?

The Celsius scale is based on the freezing and boiling points of water, established as 0°C and 100°C respectively.


What is the use of triple point in thermodynamics?

One interesting use is to define a temperature standard - the triple point of water (or any substance, for that matter) is at a very precise temperature. On the other hand, the melting point or the boiling point depends on pressure.One interesting use is to define a temperature standard - the triple point of water (or any substance, for that matter) is at a very precise temperature. On the other hand, the melting point or the boiling point depends on pressure.One interesting use is to define a temperature standard - the triple point of water (or any substance, for that matter) is at a very precise temperature. On the other hand, the melting point or the boiling point depends on pressure.One interesting use is to define a temperature standard - the triple point of water (or any substance, for that matter) is at a very precise temperature. On the other hand, the melting point or the boiling point depends on pressure.


Why does steric acid freeze and melt at the same temperature?

Both melting point and freezing point define the temperature at which a material changes either from a solid to a liquid or a liquid to a solid. A material freezing or melting is the same just the reverse so they happen at the same temperature. This is sometimes not true when you get supercooling or superheating, but that is more complicated!


How are melting and freezing points different?

Melting points are made on solids by slowly heating them and measuring the temperature at the same time. Once completely melted its return to a solid (freezing) can be followed by watching it cool although this is not usually done. Freezing points are generally made on liquids by following the temperature as they are cooled, usually with a surrounding liquid at a temperature below the expected freezing point. Determining the freezing point can be a problem if the liquid tends to cool below its freezing point - called supercooling- if it is not stirred or mixed in some way. When a supercooled liquid suddenly freezes the temperature of it rises sharply to the freezing point. The temperature stays at the melting or freezing point while there is still some liquid and solid of the substance present together. Thus boiling pure water in an open container stays at 100 degrees centigrade until it has all boiled away. It does not get hotter the longer it is boiled. The temperature taken up is disposed off as steam. If the container is closed as in a steam engine then the steam can superheat. There are laws of physics that define these processes, e.g. water boiling on top of a mountain at a lower temperature due to the lower air pressure etc. Most pure substances have well defined melting or freezing points (listed in books of such data) but contaminants can make them different (for example, a contaminant would usually lower a melting point) so for chemists this is an important way of checking the purity of a substance.


Define and compare the basic and specialized application software?

Define and compare basic and specialized application software


What happens to boiling and freezing water points when the evealation points are higher and lower?

Please edit the question to include more context or relevant information. Specifically, please define "evealation".


Define and compare the term species population and ecosystem?

define and compare the term species, population, and ecosystem


Compare primary and secondary succession by giving examples of each?

Compare means define so define both of the terms.


How do you define the word compare in math?

i would define the word compare as a number, angle, shape, ect. that is different and try to see what comparisons they have.


Define boiling point?

The point at which liquid changes into gaseous state or vapor is called as boiling point..


How do you define melting point of gas as oxygen?

When cooled to below 54.36 K (-218.79 oC , -361.82 oF, oxygens melting point) it will become solid. That's what a 'melting point' is!


Melting point of helium?

At standard pressure Helium does not solidify so there is no "melting point". Define a pressure and there might be an answer.


How can you define melting point scientifically?

The temperature where a substance would melt from a solid to a liquid.


Is 0 degrees celsius equal to 0 degrees Fahrenheit?

No.The two temperature scales have different zero points. When Daniel Fahrenheit defined the zero temperature on his scale, it was for the freezing point of brine. His temperature for the freezing point of water was thus 32 degrees. When Anders Celsius created his thermometer scale, he used the freezing and boiling points of water, and divided the space between into 100 equal intervals.* So we have come to define 0 degrees Celsius as equal in temperature to 32 degrees Fahrenheit.* Celsius originally measured temperature inversely, with 0 for boiling and 100 for freezing, but not long afterward Carolus Linnaeus established the current version.


Without using numbers define boiling point?

the temperature at which a chemical changes from a liquid to a gas


Define amorphous solid?

Generally they are two types of solids 1. Crystalline solids 2. Amorphous solids. Amorphous solids are those solids which having different properties in different directions. They didnt have sharp melting and boiling points.


What are the melting and boiling points of water?

Although there are minor variations in both points due to the different masses of isotopes for both hydrogen and oxygen, Vienna Standard Mean Ocean Water is a specific combination of all main isotopes and is used to define both. Its melting point is by definition 273.15K or 0.01oC, while its boiling point is calculated to be 373.1339K or 99.9839oC. The boiling point can effectively be rounded to exactly 100oC, though, because of sensitivity to barometric pressure (a change of just 4.4 metres, or one storey of a building, more than covers this difference).


How do you define rock deflagration?

The melting of the rock surface for practical underground uses. Such as in the field of geology and archaeology.


Define melting and boiling point?

Most substances have a specific temperature at which the solid will melt into a liquid, which is known as the melting point, as well as a specific temperature at which the liquid will boil and turn into a gas. The most familiar example is water, which has a melting point of 0 degrees Celsius (or 32 degrees Fahrenheit) and which has a boiling point of 100 degrees Celsius (or 212 degrees Fahrenheit). It should be noted for the sake of completeness that there are some substances which do not go through all three phases, of solid, liquid, and gas, at normal air pressure; for example, frozen carbon dioxide does not have a liquid phase at normal pressure, and when heated it turns into a gas, rather than a liquid (a process known as "sublimation").


List the seven steps in the decision making process in order?

Define your problem.Gather information and resources.List options.Weigh, compare options.Make a decision.Make a plan of action.Evaluate the decision.