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Does temperature change during a phase change?

Does temperature change during a phase change?

Energy is required to change the phase of a substance, such as the energy to break the bonds between molecules in a block of ice so it may melt. During a phase change energy my be added or subtracted from a system, but the temperature will not change.

Can pressure change during phase change?

Secondly, the temperature during a phase change stays constant as far as I know, so according to the ideal gas law pV=nRT, the pressure should increase with decreasing volume in order to keep the temperature constant.

Why temperature does not change during a phase change?

Since the energy involved in a phase changes is used to break bonds, there is no increase in the kinetic energies of the particles, and therefore no rise in temperature.

Why does the temperature remain constant during cooling?

The temperature remains constant during cooling because the kinetic energy of the molecules are involved during the freezing process instead of reducing the temperature.

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Why is the temperature remain constant during sublimation?

Here’s your answer! temperature remains constant while sublimation because the heat energy gets converted into latent heat of vaporisation. the heat energy is used up to overcome the molecular force of attraction thus,the temp. remains constant.

Why does the temperature of a substance remain constant during a phase change use a phase change as an example to explain what is happening on a particulate level?

During the phase change, when solid melts into liquid, its temperature remains constant as the heat energy is stored as potential energy. Likewise, as heat is added to a liquid, its temperature increases as the molecules, once again, move faster.

Is temperature and pressure constant during a phase change?

Temperature is constant during phase change, and so is the pressure, such as in the case of evaporation or condensation. This is because additional energy that goes in or out of the system is used to carry out the phase change rather than to increase pressure or temperature. However, the volume will not be constant.

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Which a phase change occurs without a change of pressure or temperature?

sublimation
Explanation: This phenomenon is known as sublimation and takes place by absorbing the latent heat of sublimation from the surroundings.

What is the relationship between volume and pressure in the system?

For a fixed mass of an ideal gas kept at a fixed temperature, pressure and volume are inversely proportional. Or Boyle’s law is a gas law, stating that the pressure and volume of a gas have an inverse relationship. If volume increases, then pressure decreases and vice versa, when the temperature is held constant.