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As you go from a gas to a solid, the kinetic energy of the molecules decreases significantly. In a gas, molecules move freely and possess high kinetic energy, allowing them to collide and spread apart. As the substance cools and transitions to a solid, the molecular motion slows down, leading to a reduction in kinetic energy. In a solid, molecules are closely packed and vibrate in fixed positions, resulting in much lower kinetic energy compared to their gaseous state.
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What happens when you add kinetic energy to a solid?
When you add kinetic energy to a solid the molecules won't move
What is the relationship between the kinetic energy of molecules and their pysical state?
The kinetic energy of molecules is higher in the gaseous state compared to the liquid or solid state. This is because the molecules in a gas have more freedom of movement and higher average velocities. As a substance transitions from a solid to a liquid to a gas, the kinetic energy of the molecules increases.
Does the kinetic energy increases when we heat a solid at its melting point?
Of the molecules in the solid : yes. Of the mass as a whole : no.
What happens when a solid a liquid and gas when it changes its state?
When a solid changes to a liquid, it melts and gains more kinetic energy. When a liquid changes to a gas, it evaporates and gains even more kinetic energy. When a solid changes directly to a gas without passing through the liquid state, it is known as sublimation.
What phase of matter do molecules have the lowest amount of energy?
The kinetic energy of water molecules in ice is less than the kinetic energy of watermolecules in water and that is less than the kinetic energy of water molecules in stream.That is because the range of temperatures where ice exists, -273C to 0C, is less than the range where water exists, 0C to 100C, which is less than the range where water gas exists, 100C and up. Kinetic energy climbs continuously with temperature through each phase.Kinetic energy is the energy of motion, KE=mv2/2.All molecules have an average kinetic energy proportional to the absolute temperature, particularly, Translational kinetic energy =3kT/2.There is no maximum. Increasing temperature increases molecular kinetic energy until the energy destroys the molecule and then the fragments will have an average kinetic energy 3kT/2.
What happens when you add kinetic energy to a solid?
When you add kinetic energy to a solid the molecules won't move
What is the following molecules in order from least kinetic energy to greatest?
The molecules with the least kinetic energy are in solid form, followed by liquid, and then gas with the greatest kinetic energy.
What happens on a molcular level when a substance melts?
Its molecules starts vibrating more than when they were solid. Their kinetic energy are greater.
Do molecules have least kinetic energy in liquid phase?
If the molecules in question have a solid phase, for example water which goes from liquid to solid, namely ice, then least kinetic energy is the solid phase, with minimum kinetic occurring at 0 Kelvin (absolute zero).
Do molecules have the lowest average kinetic energy in a plasma?
No. Molecules have the lowest average kinetic energy in a solid. Plasma is the highest average kinetic energy.
Kinetic energy of a solid?
The kinetic energy of a solid is the energy associated with the motion of its atoms or molecules. It is derived from the translational, vibrational, and rotational motion of the particles making up the solid. This energy contributes to the overall thermal energy of the solid.
What happens to a sheet of copper as the average kinetic energy of the copper molecules decreases?
As the average kinetic energy of copper molecules decreases, the temperature of the copper sheet also decreases. Eventually, if the temperature drops low enough, the copper molecules will lose enough kinetic energy to form a solid, and the copper sheet will freeze and become a solid metal.
What is the relationship between the kinetic energy of molecules and their pysical state?
The kinetic energy of molecules is higher in the gaseous state compared to the liquid or solid state. This is because the molecules in a gas have more freedom of movement and higher average velocities. As a substance transitions from a solid to a liquid to a gas, the kinetic energy of the molecules increases.
Explain by kinetic molecular theory why ice is more dense then water vapours?
By looking at the states of matter ( solid ,liquid or gas) we can determine that a giben sample will have how much energy. Molecules in solid have least kinetic energy. Molecules in vapor (gas) have highest kinetic energy. Liquids have moderatee kinetic energy.
When heat is supplied to a solid substance what happens to the energy?
When heat is supplied to a solid substance, the energy is absorbed by the molecules, causing them to vibrate faster and thus increasing their kinetic energy. This increase in kinetic energy allows the solid to eventually change phase into a liquid or gas, depending on the substance and the amount of heat supplied.
Why doesnt a frozen puddle have kinetic energy?
A frozen puddle is solid ice with molecules that have very little movement, resulting in minimal kinetic energy. In its solid state, the molecules are locked into a rigid structure and do not have the ability to move freely like in a liquid or gas.
Do solids have molecules with high kinetic energy?
Yes, in solids, molecules vibrate around fixed positions and have relatively low kinetic energy compared to liquids and gases. The kinetic energy of solid molecules is mainly in the form of vibrational energy rather than translational energy.
