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When you add energy to a substance it's temperature will remain constant if there is a change of state from solid to liquid or liquid to gas. The energy added is absorbed in changing state; known as latent heat of fusion (melting), or latent heat of vaporization. For some substances a similar effect can occur if there is a chemical change.
There are also situation where an influx of energy will cause a decrease in temperature. One such is drinking water stored in a canvas container. Sunlight causing the wet canvas to evaporate some of its water will effect a decrease in the temperature of the stored water.
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What will happen when the liquid is heated?
When a liquid is heated, its temperature will increase. As the temperature rises, the molecules in the liquid will gain more energy and move faster. Eventually, if the temperature is high enough, the liquid will reach its boiling point and turn into a gas.
Are The molecules of the liquid inside a thermometer increase in speed when the thermometer is cooled.?
No, the molecules of the liquid inside a thermometer do not increase in speed when the thermometer is cooled. Instead, they lose energy and slow down, causing the liquid to contract and move down the scale. When the thermometer is heated, the molecules gain energy and speed up, leading to expansion of the liquid.
When a liquid is heated what happens to inter particle spaces?
When a liquid is heated, the particles gain kinetic energy and move faster, causing the interparticle spaces to increase. This expansion leads to a decrease in the liquid's density as the particles spread out more.
What does an increase of temperature do to the KE of a liquid?
An increase in temperature of a liquid causes the kinetic energy (KE) of the liquid molecules to increase. This increase in thermal energy leads to faster movement of the molecules, resulting in higher kinetic energy.
What does a solid turn into when its heated?
When a solid gains thermal energy, its atoms and/or molecules begin to move (vibrate) faster and faster as the temperature continues to increase. Eventually, the particles that make up the solid will gain enough thermal energy in order to separate into a liquid through melting or into a gas through sublimation.
What will happen when the liquid is heated?
When a liquid is heated, its temperature will increase. As the temperature rises, the molecules in the liquid will gain more energy and move faster. Eventually, if the temperature is high enough, the liquid will reach its boiling point and turn into a gas.
What will happen to inter particle spaces if a liquid is heated?
When a liquid is heated, its particles gain energy and move faster, causing the inter-particle spaces to increase. This results in the liquid expanding and becoming less dense.
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.
How can a liquid be heated?
When a liquid is heated the particles increase speed and then move farther apart. Also the liquid and bubble up.
Why when the liquid is heated does the temperature not always increase?
If the liquid is heated to its boiling point, at which point it undergoes a physical change called vaporization, its temperature will not increase until the physical change is complete. This is due to the heat energy being used to break intermolecular bonds, such as hydrogen bonds, so that the physical change can take place.
When does the energy of water increase?
The energy of water can increase if it is heated up, if it is placed under more pressure, if it changes phase, or if it flows faster. In phase change, increase of water's energy happens from: solid phase to liquid phase (melting), from solid phase to vapor phase (sublimation), and from liquid phase to vapor phase (evaporation). Increase in altitude also increases its potential energy.
What happens to a particle in a liquid when heated?
The Particles Vibrate , Causing the liquid to evaporate leaving behind a gas. ! Sophie :)
When a given quantity of a liquid is heated the mass quantity will vary and how?
The volume will increase, since most liquids tend to expand when they are heated. The mass will NOT increase, for most practical purposes - since there is something called "conservation of mass". However, the energy added to the liquid is equivalent to a small amount of mass; this is insignificant for most practical purposes.
When a liquid is heated what happens to inter particle spaces?
When a liquid is heated, the particles gain kinetic energy and move faster, causing the interparticle spaces to increase. This expansion leads to a decrease in the liquid's density as the particles spread out more.
What happens to the density of a fluid when it is heated?
When the liquid molecules are heated, they move faster so the liquid boils and some molecules becomes gas molecules. When the liquid molecules are heated, they move faster so the liquid boils and some molecules becomes gas molecules.
What happen to the average energy of the molecules in a substance when it is heated?
They increase in energy.
What does an increase of temperature do to the KE of a liquid?
An increase in temperature of a liquid causes the kinetic energy (KE) of the liquid molecules to increase. This increase in thermal energy leads to faster movement of the molecules, resulting in higher kinetic energy.
