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What has a low boiling point?
Simple hydrocarbons, like methane and ethane. As the carbon chain gets longer, the boiling point goes up. -------------- Some elements, such as helium, hydrogen, nitrogen and neon have extremely low boiling points. Please see the link.
What gases make up the thermosphere?
Oxygen-20%Nitrogen-80%Helium-1%
Why does ammonia have a low melting and boiling point?
Ammonia is a compound of Hydrogen and Nitrogen(NH3). It is normally found as a stinky, lighter than air, gas.Therefore at 'room temperature' it melting point is approximately -77C, and its boiling point -33C. Its low density and atomic weight set its phase change points.
List of non metals?
The non-metal elements within the periodic table are:ArgonAstatineBromineCarbonChlorineFluorineHeliumHydrogenIodineKryptonNeonNitrogenOxygenPhosphorusRadonSeleniumSulfurXenonNon-metals are either liquid or gas at room temperature, they have low electrical conductivity and have high melting and boiling points. Non-metals oxides are acidic.
What properties do most covalent compounds have in common?
Most covalent compounds have relatively low melting and boiling points, as they are held together by weak intermolecular forces. They are usually insoluble in water but soluble in nonpolar solvents. Covalent compounds tend to be nonconductors of electricity in their solid form.
Do nitrogen and oxygen have very high melting points?
No, they have very low melting.
What are the Examples of low boiling point liquids?
Examples of low boiling point liquids include ethanol, acetone, and ammonia. These substances vaporize at relatively low temperatures, making them suitable for applications such as cleaning solvents, refrigerants, and fuels.
Could distillation be used to separate air into oxygen nitrogen argon etc?
Yes, distillation can separate air into its components such as oxygen, nitrogen, and argon. This process is known as cryogenic distillation and involves cooling the air to very low temperatures to liquefy the different components, which can then be separated based on their boiling points.
Elements that are gases at SATP?
Gases at SATP (standard ambient temperature and pressure) include elements such as oxygen (O2), nitrogen (N2), hydrogen (H2), and chlorine (Cl2). These elements have low boiling points and exist as gases at room temperature and pressure.
How argon is separated from air?
Argon is separated from air by a process called cryogenic distillation. Air is cooled to very low temperatures to liquefy and then slowly heated up. As different components of air have different boiling points, argon is separated from other gases based on its boiling point which is lower than that of nitrogen and oxygen.
Do have nonmetals have high melting points?
Yes non metals do have high melting and boiling points. This is because they have strong intemolecular forces that are hard to overcome.A2. Their melting points vary. Obviously gases such as nitrogen and oxygen have low melting points, but Silicon (1414oC) and Diamond ( around 1700oC) are rather high. Phosphorous and Sulfur on the other hand are rather low.
Which gas is used in gas thermometer?
Gas thermometers typically use either nitrogen or helium as the gas inside the thermometer. These gases are preferred due to their low boiling points and well-defined expansion and contraction characteristics with changes in temperature.
What are the boiling points of noble gases?
The boiling points of noble gases are very low, ranging from -246.1C for helium to -268.9C for radon.
How does nitrogen separate to be useful?
Nitrogen can be separated through a process called fractional distillation, where liquid air is distilled at low temperatures to isolate the components based on their boiling points. The purified nitrogen gas can then be used in various industrial applications, such as in the production of ammonia for fertilizers or in the food packaging industry to displace oxygen and extend the shelf life of products.
Why do molecular compounds have low melting points and low boiling points relative ionic substances?
The bonds in the molecule are weaker.
Most of these are in gas form at room temperature?
Elements such as oxygen, hydrogen, nitrogen, and helium are typically in a gaseous state at room temperature due to their low boiling points. These elements consist of particles that are spread far apart, allowing them to move freely and take the shape of their container.
List properties common to many organic compounds?
Some common properties of organic compounds include having covalent bonds, containing carbon and hydrogen atoms, being flammable, having low melting and boiling points, and often having a complex molecular structure.
