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Which phases change occurs when the molecules in a substance lose energy and no longer slide past each othe easily?
When molecules in a substance lose energy and can no longer slide past each other easily, they typically undergo a phase change from a liquid to a solid, known as freezing or solidification. During this process, the molecules slow down and arrange themselves into a more rigid, orderly structure. As energy is removed, the attractive forces between the molecules become stronger, leading to a solid state where the molecules are fixed in place.
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What substance easily travel across the cell membrane glucose molecules water molecules or sodium?
Of the three, water will move easily. The others require help and therefore the use of energy.
What happens to kinetic energy of the particles of a substance as the substance changes from a liquid to a gas?
The faster the molecules of a substance are moving, the warmer that substance is, because temperature is really a measurement of the average kinetic energy of the molecules in a substance or object. For a substance to evaporate, or change from a liquid to a gas, it has to become warmer. That means that the kinetic energy of the molecules increases.
Average amount of energy of motion in the molecules of a substance?
The average amount of energy of motion in the molecules of a substance is known as the substance's temperature. This energy is measured in units of kinetic energy. The higher the temperature, the greater the average energy of motion in the molecules.
What is the measurement of the average kinetic energy of the molecules of a substance?
temperature is the average kinetic energy of a particle
Why does evaporation require that heat energy be added to a substance?
Evaporation requires heat energy to be added because it provides the molecules in a substance with enough kinetic energy to overcome the attractive forces holding them together. As molecules gain energy, they move faster and escape the liquid phase, transitioning into the gas phase. This process leads to evaporation.
How do energy and changes in energy change the state of matter?
Energy can change the state of matter by breaking or forming intermolecular bonds. Adding energy to a substance can overcome the forces holding the molecules together, leading to a phase change (solid to liquid, liquid to gas). Removing energy from a substance can cause the molecules to come closer together, resulting in a phase change in the opposite direction.
Why may the temperature of a substance change when energy is added?
Thermal energy of a substance is determined by the movement of the molecules and the potential energy of the arrangement of molecules. Heat transfer will stop when thermal equilibrium is reached. It depends upon the substance how long that takes.
Describe the motion of molecules of a substance change as the energy is increased?
As the energy of a substance is increased, the motion of its molecules becomes more rapid and chaotic. This increase in energy causes the molecules to vibrate and move more quickly, leading to an overall increase in temperature and pressure of the substance.
What happens to the molecules in a substance when thermal energy is removed?
When thermal energy is removed from a substance, the molecules lose kinetic energy and slow down. This often causes the substance to cool down as the molecules have less energy to move and vibrate. In extreme cases, the substance may undergo a phase change, such as from a liquid to a solid.
How heat energy can change the states of matter?
When heating a substance the substance's molecules gain kinetic energy, this leads to chemical bonds being broken and thus a change of state.
What substance easily travel across the cell membrane glucose molecules water molecules or sodium?
Of the three, water will move easily. The others require help and therefore the use of energy.
What is the average amount of of energy of motion in the molecules of a substance?
The average amount of energy of motion in the molecules of a substance is represented by the temperature of the substance. This is a measure of the average kinetic energy of the molecules within the substance.
Average amount of energy in motion in the molecules of a substance?
The average kinetic energy of molecules in a substance is directly related to its temperature. The higher the temperature, the greater the average kinetic energy of the molecules. This energy is responsible for the movement or vibration of the molecules within the substance.
What happens to kinetic energy of the particles of a substance as the substance changes from a liquid to a gas?
The faster the molecules of a substance are moving, the warmer that substance is, because temperature is really a measurement of the average kinetic energy of the molecules in a substance or object. For a substance to evaporate, or change from a liquid to a gas, it has to become warmer. That means that the kinetic energy of the molecules increases.
The type of energy that depends on how fast the molecules in a substance are moving?
Kinetic energy is the type of energy that depends on how fast the molecules in a substance are moving.
What happens to the potential energy of the molecules in a?
The potential energy of the molecules change during a reaction.
Average amount of energy of motion in the molecules of a substance?
The average amount of energy of motion in the molecules of a substance is known as the substance's temperature. This energy is measured in units of kinetic energy. The higher the temperature, the greater the average energy of motion in the molecules.
