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What happens to molecules in a heated fluid?
In a heated fluid, molecules gain kinetic energy, causing them to move faster and collide more frequently. This increased movement results in the expansion of the fluid, as the molecules move apart from each other. Additionally, the increased temperature can lead to changes in the physical state of the fluid, such as boiling or evaporation.
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 happens to fluid when it vaporizes?
When a fluid vaporizes, it changes from a liquid state to a gaseous state. This typically occurs when the fluid is heated to its boiling point and the vapor pressure exceeds the atmospheric pressure. The molecules of the fluid gain enough energy to overcome the intermolecular forces holding them together as a liquid, allowing them to escape into the air as a gas.
How does the graduated cylinder work?
A graduated cylinder is simply a beaker with parallel sides and equally spaced volume markings along the side. As the sides are parallel the volume increases proportionately to the level of fluid in the beaker. Equally spaced markings ("graduations") are marked on the side of the cylinder to indicate the volume of fluid to that point.If you are using a graduated cylinder you will notice that the level of fluid (eg water) will seem to cling to the sides of the glass near the edge in a small radius due to the surface tension of the fluid. This radius is called the miniscus. Always read the volume of fluid from the marking at the bottom of the miniscus.
How could you determine the densities of two different fluids without mixing them together?
1) determine the density of the first fluid 2) determine the density of the second fluid step 1) and step 2) are easy. just measure the volume and the mass and use the formula: "density = mass/volume" you can also... ~put the liquids in beakers (same amount in both) ~get a little marble ~drop the marble in one of the beakers ~use a timer to time how long it takes the marble to reach the bottom. ~take the marble out or if you have another marble use that ~drop the marble into the second fluid ~time how long it takes to reach the bottom ~the fluid with the less time should be the one that is denser ( you don't have to use marbles, you can use any other two object that are and weight the same).
What happens to the density of a fluid when it is heated up?
When a fluid is heated up, its density generally decreases. This is because as the temperature increases, the average kinetic energy of the fluid molecules also increases, causing them to spread out and occupy a larger volume, leading to a decrease in density.
If you heat up a fluid what happens to the volume?
The volume will increase as the fluid is warmed up.
When heat is transferred by convection what rises?
The warmer fluid at the bottom of the vessel being heated.
Why doesnt convection occur when a beaker is heated at the top?
Convection occurs when heated fluid rises and cooler fluid sinks, creating a continuous circulation. If a beaker is heated at the top, the heated fluid near the top would rise but due to cooler fluid at the bottom, the circulation does not sustain itself, thus preventing convection from occurring.
When reading the volume of fluid in a graduated cylinder the eye should be .?
Level with the bottom of the fluid's meniscus
What happens when a fluid starts to cool down after being heated?
it gets coldit gets cold
What happens to the heated fluid if it is warmer than the fluid around it?
If the heated fluid is warmer than the fluid around it, it will generally rise due to its lower density. This movement is known as natural convection, where the warmer fluid displaces the cooler fluid and creates circulation in the system.
What happens when pressure in a fluid changes?
When pressure in a fluid changes, the volume and density of the fluid may also change. If the pressure increases, the volume decreases and the density increases, leading to compression of the fluid. Conversely, if the pressure decreases, the volume increases and the density decreases, causing expansion of the fluid.
What happens when a solid and a lquid melts?
A solid melts when heated. aaliquid becomes more fluid or evaporates
What happens when a fluid is compressed?
When a fluid is compressed, the volume of the fluid decreases while the pressure and temperature increase. This leads to an increase in the density of the fluid.
How convection happens?
Convection happens due to the transfer of heat by the motion of a heated fluid such as air or water.
Why do heated fluids rise using the particle theory?
Heated fluids are less dense than their cooler counterparts. For example, water at 80 degrees F is less dense than water at 75 degrees F. Therefore, because it is less dense, it rises above the cooler fluid. This happens all the time when boiling water. The water at the bottom becomes more heated than the water at the top, and so rises to the top, moving the cooler water to the bottom of the pot, which then becomes heated and pushes the now cooler water that used to be on bottom back to the bottom, restarting the whole process. This is known as convection.
