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What is the relationship between the heat of vaporization and boiling point of a substance?
The heat of vaporization is the amount of energy needed to change a substance from a liquid to a gas at its boiling point. The higher the heat of vaporization, the higher the boiling point of the substance.
What is the relationship between the normal boiling point and vapor pressure of a substance?
The normal boiling point of a substance is the temperature at which its vapor pressure equals the atmospheric pressure. In other words, the higher the vapor pressure of a substance, the lower its normal boiling point will be.
What happens to the melting and boiling point of a substance if it contains impurity?
If the impurity has a higher boiling point then the boiling point of the mixture will also be slightly higher, and vice versa.
Which substance would have a higher boiling point sodium chloride or water?
Sodium chloride has a higher boiling point.
Which substance has higher boiling point nitrogen fluoride or NH3?
Boiling point of NH3: -33,34 0C Boiling point of NF3: -129,1 0C The boiling point of ammonia is higher.
Why is boiling dependent on pressure?
Boiling is dependent on pressure because the pressure affects the boiling point of a substance. When the pressure is higher, the boiling point of a substance is also higher, and when the pressure is lower, the boiling point is lower. This is because pressure affects the vapor pressure of the substance, which needs to equal the atmospheric pressure for boiling to occur.
Is boiling point higher than melting point?
The boiling point is typically higher than the melting point for a substance. The boiling point is the temperature at which a substance transitions from a liquid to a gas, while the melting point is the temperature at which a substance transitions from a solid to a liquid.
Is distillate the substance with lower or higher boiling point?
the distillate
How does a substance's boiling point determine its state at room temperature?
A substance's boiling point indicates the temperature at which it transitions from a liquid to a gas. If the substance's boiling point is below room temperature, it will be a gas at room temperature. If the boiling point is above room temperature, it will be a liquid at room temperature.
How do you lower a substance's boiling point?
by lowering the air pressure above it. that's why things boil faster the higher you are (higher elevations compared to lower elevations). you can actually boil water at room temperature by putting it in a container and sucking the air out of it. its kinda neat.
How does pressure affect the boiling point of a substance?
Pressure affects the boiling point of a substance by either raising or lowering it. When pressure is increased, the boiling point of a substance also increases because it requires more energy to overcome the higher pressure. Conversely, when pressure is decreased, the boiling point of a substance decreases because less energy is needed to overcome the lower pressure.
Is the boiling point of a substance an example of a chemical property?
The boiling point of a substance is an example of a physical property of that substance.
