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Q: Why are there two plateaus on the heating curve for water that begins at 15 Celsius and ends at 120 Celsius?
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What is happening during the flat bits of a heating curve?

There are several main reasons a heating curve might have one or more flat spots: Heating water, as it moves from solid (ice) to liquid, a huge amount of energy is required to get past that temperature. That takes time and the substance will have nearly the same temperature all the way through thawing. There is an even larger flat spot for the boiling point. Heating a metal, even without having it go liquid or gaseous, the metal may go through a transition phase especially if it is an alloy. Heating a substance like a painted metal, the heating will go through a flat spot during the time that the coating is boiling off. This is one of the ways that the space shuttle keeps cool during re-entry: Some of the outermost layer of the insulating blocks vaporizes, keeping the substrate at a nearly constant temperature.


What kind of curve does a projectile make?

Parabolic curve


Can you make a bullet curve in the air?

No. A cross wind will cause it to curve slightly on the horizontal plane and gravity will make it curve vertically, but you cannot MAKE it curve unless you possess powers of telekinesis.


What most likely accounts for the difference between curve A and curve B on the energy diagram?

The reaction described by curve B is occurring with a catalyst.


What role does density play in nature?

yas this is the answer Give the name of the outward curve found on the surface of water Give the name of the outward curve found on the surface of water Give the name of the outward curve found on the surface of water Give the name of the outward curve found on the surface of water Give the name of the outward curve found on the surface of water Give the name of the outward curve found on the surface of water Give the name of the outward curve found on the surface of water Give the name of the outward curve found on the surface of water Give the name of the outward curve found on the surface of water Give the name of the outward curve found on the surface of water Give the name of the outward curve found on the surface of water v

Related questions

What is the difference between a heating curve and a cooling curve?

heating curve is hotter than the cooling curve


How would the heating curve for glass be different from the heating curve for water?

the glass is malleable


Suppose you heated frozen alcohol instead of ice how would the heating curve for alcohol be similar to and different from the heating curve for water?

AnswerAlcohol freezes at -114. i would imagine that the heating curve would be similar to the differences in freezing curve..


Heating curve illustrates what?

When a substance is heated, a heating curve shows the changes in temperature as well as the physical state of the substance. A heating curve can chart the temperature versus the time elapsed as the changes take place.


A drawing of a heating curve for paraffin wax as it goes from 0 degree to 400 degree?

Celsius:0 degrees frozen, 71 melting point and 360 degrees boiling point.


What does the phase change graph for water look like?

the graph would look like a normal heating curve however at 0 degrees celsius and 100 degrees celcius, there would be a flat line.


What curve shows the relationship between temperature and time?

heating


What does The flat part of a heating curve indicates?

That is the boiling point


Heat and cooling curve of pure water?

the heating curve is circa 20-30 C, while the cooling curve is circa 0 C


A heating curve shows?

When a substance is heated, a heating curve shows the changes in temperature as well as the physical state of the substance. A heating curve can chart the temperature versus the time elapsed as the changes take place.


what is the dependent variable in heating and cooling curve water?

it must be an atom


How well does a Bunsen burner heat?

What is a Bunsen burner heating curve?