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hydrogen bonding is the strongest intermolecular force between molecules. It has low volatility which means that it has a low vapor pressure and therefore takes more energy to evaporate the substance. This makes sense because you need more energy to break up the bond of stronger bonds and to evaporate them.
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What are intermolecular hydrogen bonds?
The hydrogen bonding present between the two molecules is known as intermolecular hydrogen bonding, the molecules may be similar or may be dissimilar. The molecules having intermolecular hydrogen bonding have high melting and boiling points and low volatility. They are more soluble in water as compared to the molecules having intramolecular hydrogen bonding.
How do you you classify a compound as having a high volatility?
A compound is considered to have high volatility if it easily vaporizes at low temperatures and pressures. Compounds with weak intermolecular forces tend to have higher volatility as they can escape into the gas phase more readily. Additionally, compounds with low molecular weight typically exhibit high volatility.
What bond makes Oxygen nitrogen and fluorine bond with hydrogen?
A "hydrogen bond" - a intermolecular force caused by large difference in electronegativity. [Hydrogen has a very low electronegativity whilst Fluorine, Oxygen and Nitrogen all have a very high electronegativity so an electrostatic attraction exists]
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.
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.
What are intermolecular hydrogen bonds?
The hydrogen bonding present between the two molecules is known as intermolecular hydrogen bonding, the molecules may be similar or may be dissimilar. The molecules having intermolecular hydrogen bonding have high melting and boiling points and low volatility. They are more soluble in water as compared to the molecules having intramolecular hydrogen bonding.
What is the relationship between a compound's chemical bond type and its phase at room temperature?
Usually different compounds have a specific freezing, melting, and boiling point. There are all types of different compounds out in the world but it also depends on their intermolecular forces. In weak bonds, volatility and pressure is high, while boiling point is low. In strong bonds, volatility and pressure is low, while boiling point is high.
Why are low- formula-mass alcohols soluble in water?
Low formula-mass alcohols like ethanol are soluble in water due to their ability to form hydrogen bonds with water molecules. These hydrogen bonds enable the alcohol molecules to mix and dissolve in water, making them soluble.
How do you you classify a compound as having a high volatility?
A compound is considered to have high volatility if it easily vaporizes at low temperatures and pressures. Compounds with weak intermolecular forces tend to have higher volatility as they can escape into the gas phase more readily. Additionally, compounds with low molecular weight typically exhibit high volatility.
How might very low pH affect an enzyme's hydrogen bonds?
A very low pH can break the hydrogen bonds in an enzyme which causes the shape of the enzyme to change shape making the enzyme unable to do it's job. This is called "denaturation" However some enzymes such as pepsin only work in a low pH (pepsin works best in a pH of about 3) so it does depend on the enzyme.
Why do alcohols have lower boiling points than the corresponding carboxylic acids?
Alcohols have low power Vander woals bonds.Carboxilic acids have Hydrogen bonds as inter molecular bonds.
What phase change breaks all hydrogen bonds?
The vaporization or boiling of water breaks all hydrogen bonds. This is when water changes from a liquid to a gas, causing the hydrogen bonds to be completely broken as the molecules gain enough energy to overcome the attractive forces holding them together.
What type of bonds melts at low temperature?
Ionic bonds typically melt at lower temperatures compared to covalent bonds. Ionic bonds involve the attraction between positively and negatively charged ions, which are held together by electrostatic forces. In contrast, covalent bonds involve the sharing of electrons between atoms, which requires more energy to break.
Why does water turn to ice at low temperatures?
because hydrogen bonds stop breaking and water molecules form large clusters
What is the volatility of vodka?
volatility is the relative rate at which the price of a security moves up and down. Volatility is found by calculating the annualized standard deviation of daily change in price. If the price of a stock moves up and down rapidly over short time periods, it has high volatility. If the price almost never changes, it has low volatility
What are the examples of volatility in matter?
volatility is a property of matter. volatility of matter tells u the ability of that particular matter to evaporate. certain type of matter may have high degree of volatility where as others may have low or even no volatility.. eg: petrol is highly volatile. Even if it is left for a small time in the sun, it will evaporate very quickly.
Why does hydrogen chloride have a low melting point?
HCL has a low m.p because of the covalent bond which is weaker as compared to ionic bonds. So low amount of heat is needed in order to break these bonds and hence the mp is low
