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Each liquid boils at a different temperature, but the temperature it boils at is called the Boiling Point. For example, the boiling point of water is 212 Fahrenheit.This specific temprature is dependant on the pressureon the liquid at that time, as an example at ahigher temperatures the boiling point is higher.
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What temperature is important to record in a freezing point determination experiment?
The temperature recorded in a freezing point determination experiment is the temperature at which the substance changes from a liquid to a solid state. This freezing point is an important characteristic of the substance and can be used to identify the substance or assess its purity.
Does water boils at 100 c at all conditions of pressure?
Water boils at 100oC at the air pressure found at sea level. The temperature at which water boils becomes lower where there is lower air pressure, so water would boil at a lower temperature near the top of a high mountain. It boils at a higher temperature when the air pressure is higher, in a location below sea level like near the Dead Sea, for example.
Are melting and boiling points of a substance the same?
The melting and boiling points of a substance (in this case I am assuming you are referring to a pure substance, and not a mixture), are the same. The triple point is defined by the temperature and pressure at which solid, liquid, and vapor of a substance, can coexist in equilibrium. At any pressure below the triple point, only sublimation and condensation are possible (no liquid phase is possible). Between the triple point pressure and the critical point pressure, there is a difference between the melting and boiling points, of a substance. The melting point temperature will be lower than the boiling point. At the critical point, the densities of the liquid and vapor phases, have merged, and boiling no longer occurs. At and above the critical point, you cease to get liquid and vapor, but you get what is referred to as a "supercritical fluid".
Is the boiling point of something the same as the melting point?
The boiling point is the temperature at which the vapor pressure of the liquid is equal to the external pressure. It is also the condensation point. The freezing point is the temperature at which liquid and solid coexist in equilibrium. It is also the melting point.
Is oxygen ductile or not?
The term doesn't apply in this case. You can only say whether a substance is ductile if it is a solid. Oxygen is a gas at room temperature.
A pure substance boils only at a certain temperature which is called its?
boiling point.
Why does the temperature remain constant when it boils?
A substance has different phases, but it only boils at a certain temperature. If it is over that temperature it will evaporate or if it is under that temperature it won't boil.
How can you have temperature without heat?
Temperature is a measure of the average kinetic energy of the particles in a substance, while heat is the transfer of energy between substances due to a temperature difference. It is possible to have a substance at a certain temperature without any transfer of heat occurring, for example, when the substance is thermally isolated or in thermal equilibrium.
At what temperature can vaporization occur?
Vapourisation (as opposed to Boiling which occurs at "BOILING POINT" only) occurs at all temperature. The rate of vapourisation depends on the type of material (substance) you are talking about. Generally the lighter the substance (i.e the less dense it is) the faster it vapourises. Hence alcohol (which is less dense than water) vapourises faster than water. Water vapourises at all temperature (even at 0C) but boils at 100C.
What do you call the combination of solid liquid and gas?
This only occurs at a specific point on the phase diagram of a substance called the "triple point." This point corresponds to a certain pressure and temperature for an individual substance, since these are the axis values for a phase diagram.
When water boils it evaporates?
Evaporation occur at any temperature, boiling only at the boiling point - 100 oC at standard pressure.
Why doesn't water evaporate in room temperature?
water boils at 100o C.but room temperature may not rise to that much. only after boiling it may be converted to the gaseous state.
What is the only way the density of a pure substance can change?
The density of a pure substance can change by altering its temperature. As temperature increases, most substances expand and therefore decrease in density, whereas as temperature decreases, most substances contract and increase in density.
Why do people take it recreationally?
To get a certain high that they think will only come from said substance.
Temperature a substance will change from liquid to gas?
The temperature at which a substance changes from liquid to gas is known as its boiling point. At this point, the vapor pressure of the liquid equals the atmospheric pressure, allowing it to overcome intermolecular forces and transition to a gaseous state.
When does water boil much less than 100?
When the pressure is reduced. Water only boils at 100 degrees Celsius when the air pressure is one atmosphere. So up a mountain, where the air pressure is lowered, water boils at a lower temperature.
What substance can be converted from liquid to solid and can not be converted back to liquid?
There is no such substance. Because only a transformation of physical state is taking place. Let me expand: Every substance has a specific temperature at which it changes its physical state. The temp. at which the substance turns into liquid is known as melting point and the temp. at which the liquid turns to solid is known as freezing point. Usually the melting point and the freezing points of a substance are the same. (But there are certain exeptions to this rule.) So if the temperature at which the substance turns into liquid is acheived i.e the melting point - then it definitely would become liquid again.
