A phase change diagram starts with a solid and as it heats up it melts. when it is melting it plateaus. from that point the solid changes from a solid to a liquid. once the substance changes into a liquid it evaporates. At that point when the substance is evaporating it plateaus. then turns into a gas... hope this is helpful it is sort of difficult to explain:)
A sudden change in slope or discontinuity in the graph would indicate a phase change taking place. This can be seen as a sharp point or step-like feature in the graph.
The plateau on the graph indicates that the water has reached its boiling point and is transitioning from liquid to gas phase. During this phase change, the temperature remains constant while the water absorbs heat to break intermolecular bonds and change its state.
vaporization
obsorb
A change of phase: melting, evaporation, liquefaction or chemical changes as thermal dehydration, thermal decomposition, oxydation, etc.
A sudden change in slope or discontinuity in the graph would indicate a phase change taking place. This can be seen as a sharp point or step-like feature in the graph.
A horizontal line on a phase change graph means there has been no change. Often longer periods of research are needed to see significant change.
The plateau on the graph indicates that the water has reached its boiling point and is transitioning from liquid to gas phase. During this phase change, the temperature remains constant while the water absorbs heat to break intermolecular bonds and change its state.
Heirhey
It is because that is when the change is occurring, and the diagonal part is when the process has already happened
A graph with two flat sections joined by a slope represents a phase change. The flat sections indicate a constant temperature during a phase change, such as when ice is melting or water is boiling. The slope represents a temperature increase or decrease during the transition between phases. In a graph, you would mark the flat section for ice melting and boiling water where the temperature remains constant.
vaporization
The graph that best represents a change of phase from a gas to a solid would show a decrease in temperature over time as the gas loses energy and transitions into a solid state. The temperature remains constant during the phase change itself due to the energy being used to break intermolecular bonds rather than increase temperature.
obsorb
Thermal energy (heat)
Yes. Strictly speaking there should be no temperature change during a phase change.
The phase change of water graph shows the relationship between temperature and state of water. It includes the three main phases of water: solid (ice), liquid (water), and gas (steam). The graph illustrates how water transitions between these phases with changes in temperature and pressure.