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During which phase change does the average distance between molecules always increase?
During the phase change from a liquid to a gas, the average distance between molecules always increases.
Does the teperature drop or rise when a solid turns into a gas?
During the phase change, the temperature remains constant. Once the phase change is complete, the temperature will increase.
Why does the temp of water not increase during a phase change?
During a phase change, the energy that is added or removed from the water is used to change the arrangement of water molecules rather than increase the temperature. This energy is used to break or form intermolecular bonds between the molecules, leading to a change in state (solid, liquid, gas) rather than a change in temperature.
Could a phase graph with little temperature increase and a lot of heat be the same as latent heat?
Yes. Strictly speaking there should be no temperature change during a phase change.
How does the energy of a system change during phase change?
energy is either absorbed or released during a phase change
How does the the energy of a system change during a phase change?
energy is either absorbed or released during a phase change
What phase change involves an increase in the attractive force between molecules?
The phase change that involves an increase in the attractive force between molecules is called condensation.
What A steep slope on a phase-change graph indicates?
Different
Which phase change involves an increase in the attractive force between molecule?
The phase change that involves an increase in the attractive force between molecules is condensation. During condensation, a gas transitions into a liquid as the molecules lose energy and move closer together, resulting in stronger attractive forces.
What happens to temperature after a phase change?
During a phase change, the temperature remains constant even though heat is being added to the system. This is because the energy is being used to break intermolecular forces rather than increase the temperature of the substance. Once the phase change is complete, the temperature will start to rise again.
When does the energy of water increase?
The energy of water can increase if it is heated up, if it is placed under more pressure, if it changes phase, or if it flows faster. In phase change, increase of water's energy happens from: solid phase to liquid phase (melting), from solid phase to vapor phase (sublimation), and from liquid phase to vapor phase (evaporation). Increase in altitude also increases its potential energy.
What happens to the energy during a phase change?
When energy is added during a phase change the energy is used to break molecular bonds.
