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How will you separate naphthalene from mixture of naphthalene and sodium chloride?
Naphthalene can be separated from sodium chloride by sublimation. When the mixture is heated, naphthalene will sublimate, turning from a solid to a gas, and can be collected separately from the solid sodium chloride.
What happens to naphthalene ball when heated?
When naphthalene balls are heated, they undergo a process called sublimation, where they transition directly from a solid to a gaseous state without becoming a liquid. This releases vapors that are toxic to insects like moths, which is why they are commonly used as insect repellents in closets and storage areas.
Why is solid naphthalene not heated directly with a Bunsen burner?
Solid naphthalene is not heated directly with a Bunsen burner because it can undergo sublimation, meaning it can turn directly from a solid to a gas without passing through the liquid phase. This process can lead to the rapid vaporization and combustion of naphthalene, increasing the risk of fire or explosion.
What happens to the size of solid if you heated it?
it expands
What happens when a solid is heated and its temperutre rises?
When a solid is heated and its temperature rises, the kinetic energy of the particles in the solid increases. This causes the particles to vibrate more vigorously and further apart, leading to expansion of the solid. Eventually, the solid may reach its melting point and transition into a liquid state.
How will you separate naphthalene from mixture of naphthalene and sodium chloride?
Naphthalene can be separated from sodium chloride by sublimation. When the mixture is heated, naphthalene will sublimate, turning from a solid to a gas, and can be collected separately from the solid sodium chloride.
What happens to the particles in a liquid when they are heated?
The particles in a liguid are bonded (not as strongly as a solid which is why it flows.) when it is heated the particles vibrate and eventually the bonds break and the particles break away. This is evaporation.
What happens to particles in a solid when they are heated or cooled?
When a solid is heated, the particles gain energy, leading to increased movement and vibration. This causes the particles to expand, leading to an increase in volume. Conversely, when a solid is cooled, the particles lose energy, resulting in decreased movement and contraction, which decreases the volume of the solid.
What happens to naphthalene ball when heated?
When naphthalene balls are heated, they undergo a process called sublimation, where they transition directly from a solid to a gaseous state without becoming a liquid. This releases vapors that are toxic to insects like moths, which is why they are commonly used as insect repellents in closets and storage areas.
Why is solid naphthalene not heated directly with a Bunsen burner?
Solid naphthalene is not heated directly with a Bunsen burner because it can undergo sublimation, meaning it can turn directly from a solid to a gas without passing through the liquid phase. This process can lead to the rapid vaporization and combustion of naphthalene, increasing the risk of fire or explosion.
What happens to the size of solid if you heated it?
it expands
What happens when a solid is heated and its temperutre rises?
When a solid is heated and its temperature rises, the kinetic energy of the particles in the solid increases. This causes the particles to vibrate more vigorously and further apart, leading to expansion of the solid. Eventually, the solid may reach its melting point and transition into a liquid state.
Which physical method can be used to separate naphthalene from sand?
Sublimation can be used to separate naphthalene from sand. Naphthalene can be heated to change it directly from a solid to a gas, leaving the sand behind. The gas can then be collected and cooled to form solid naphthalene again.
What happens to soilds when they are heated?
When solids are heated, their particles absorb energy and vibrate more vigorously, causing the solid to expand. This increase in kinetic energy can lead to the solid eventually melting into a liquid, as the particles break free from their fixed positions.
What is the common property of iodine and naphthalene?
they both sublime, in which the solid particles will change directly into gas.
What happens to the particles in a solid when it is heated but not melted or burned?
When a solid is heated but not melted or burned, the particles within the solid start vibrating more rapidly due to the increase in temperature. This increased vibration increases the kinetic energy of the particles, causing them to move around more within their fixed positions in the solid's structure.
What happens when solides are heated?
When a solid is heated the particles vibrate more and they break free of the mold they are in. This makes the solid a liquid. if you continue to heat it, the vibrations will get stronger and the particles will start to evaporate. When the particles evaporate, then it would be a gas.
