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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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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.
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.
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".
Are any pure elements liquids at room temperature?
Mercury is the only metal that is liquid at room temperature. There are other, non-metals that are also liquid at room temp, but I'm not certain which ones.There are 6 metals that are liquids at or near room temperature: Mercury, Caesium (Cesium), Gallium, Bromine, Francium, and Rubidium.
What determines the boiling point of a substance?
== == The amount of force that is holding the molecules of the substance together (intermolecular forces). A lot of things factor into this, including: * Hydrogen bonding * Ionic interactions * Hydrophobic interactions * Van der Waals forces * Permanent dipole-dipole interactions The stronger the intermolecular forces are (per molecule), the higher the boiling point will be, as it will require a greater amount of heat energy to overcome the intermolecular forces that hold molecules in a liquid state.
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.
Temperature a substance will change from liquid to gas?
Yes, only if the temperature of a substance is increased.
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.
What is the only way the density of a pure substance can change?
By changing the temperature as you can't add anything to a pure substance.
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.
When water boils it evaporates?
Evaporation occur at any temperature, boiling only at the boiling point - 100 oC at standard pressure.
Are covalent bonds broken when a substance boils?
No. Only the weaker physical bonds that hold covalent molecules in a liquid state are broken by boiling or other vaporization.
When heat flows from one substance to another what happens to the temperature of the substance receiving the heat?
If heat leaves a substance, it becomes colder (temperature falls) and when heat enters it becomes warmer (temperature climbs). Note that, because of entropy, heat will only go from warm to cold things.
Why do people take it recreationally?
To get a certain high that they think will only come from said substance.
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.
