- #1
weng cheong
- 22
- 0
does the identity of molecules affect the internal energy, besides the temperature and volume?
Internal energy is the sum of the kinetic and potential energies of all the particles within a system. It is a measure of the total energy contained within a system and can be affected by various factors.
Temperature is a measure of the average kinetic energy of particles within a system. As temperature increases, the kinetic energy of particles also increases, leading to an increase in the internal energy of the system.
The number of particles present in a system can affect the internal energy by increasing the total kinetic and potential energies within the system. As the number of particles increases, so does the internal energy.
Pressure is a measure of the force exerted by particles in a system on its surroundings. When pressure increases, the particles are closer together and have higher potential energy, leading to an increase in internal energy.
During a phase change, such as from solid to liquid or liquid to gas, there is a change in the arrangement and movement of particles. This results in a change in internal energy, as different phases have different levels of kinetic and potential energy.