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When the physical state of a substance changes during a phase what happens to the temperature of the system?
The temperature remain constant during a change of phase.
What properties do not change when matter changes state?
During phase changes the temperature of a substance does not change.
Does the temperature of a substance changes before the change of state is completed?
No. During a phase change the temperature is constant until the phase change is complete.
What happens to volume during phase changes?
Volume increases with increase in temperature, and decreases with decrease in temperature.
What During a phase change the temperature of a substance .?
The temperature* remains unchanged. * The heat (energy) content changes.
What happens to the temperature during a phase change?
The temperature* remains unchanged. * The heat (energy) content changes.
What happen to the temperature of a substance during a phase change?
The temperature* remains unchanged. * The heat (energy) content changes.
Does temperature have effect on water's phase?
Changes in both temperature and pressure induce phase changes in water (and all other materials!).
How does food affect phase changes?
The phase changes of a substance, such as melting and boiling, are influenced by factors like temperature and pressure. In terms of food, when heat is applied during cooking, it can cause phase changes within the food itself, such as melting of fats or proteins or evaporation of water. These phase changes are essential for the transformation of raw ingredients into a cooked dish.
How is a heating curve used to relate to phase changes and temperature and kinetic energy?
A heating curve shows the relationship between temperature and heat added to a substance. During phase changes, the temperature remains constant as the added heat is used to break intermolecular forces. Kinetic energy increases with temperature, so during phase changes, the added heat is used to increase potential energy (for breaking intermolecular forces) rather than increasing kinetic energy (temperature).
How do you draw a heating curve of a mixture?
To draw a heating curve of a mixture, start by identifying the components and their respective phase changes (solid, liquid, gas). Plot temperature on the y-axis and heat added on the x-axis. As heat is added, the temperature will rise in the solid phase until it reaches the melting point, where it will plateau during the phase change to liquid. After all the solid has melted, the temperature will rise again until it reaches the boiling point, followed by another plateau during the phase change to gas. The curve reflects the unique properties of the mixture, including the varying phase change temperatures.
True or false the temperature of a substance changes during a change in state?
False. The temperature of a substance remains constant during a change in state until all of the substance has completed the phase change.
