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What is congruent in phase transformation?
Congruent phase transformation occurs when a material undergoes a phase change without any change in composition. This means that the initial and final phases have the same chemical composition. An example is the transformation of ice into water at 0°C.
In order to change the phase of the milk what had to be removed?
The heat energy in the milk had to be removed in order to change the phase of milk.
Physical or chemical humidifier putting moisture into the air?
The moisture is just water vapor, so you are getting a phase change from liquid to gas. Phase changes are physical changes. For a vaporizer to produce a chemical change it would have to do something drastic like convert the water in to H2 and O2.
What is the change of a phase from a vapor to a liquid called?
The change of phase from a vapor to a liquid is called condensation. This process occurs when a substance loses heat energy and transitions from its gaseous state to its liquid state.
Why the boiling point curve flat lines during the phase change?
During a phase change like boiling, the temperature remains constant because all the heat energy is being used to break the intermolecular bonds holding the substance together, rather than increasing the kinetic energy of the molecules. This results in a flat line on the boiling point curve until the phase change is complete.
Which part of the graph would indicate a phase change is place?
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.
What is the shape of the graph at the melting and freezing points of water what does this shape tell you about the temperature?
Well, honey, the graph at the melting and freezing points of water is flat as a pancake. This shape tells you that the temperature remains constant during these phase changes. So, don't expect any temperature changes while water is busy melting or freezing, darling.
What is congruent in phase transformation?
Congruent phase transformation occurs when a material undergoes a phase change without any change in composition. This means that the initial and final phases have the same chemical composition. An example is the transformation of ice into water at 0°C.
When water evaporates to become water vapor it goes through a?
Physical change. It is still water, it has simply changes from one form to another. Like ice freezes from liquid water... It's still water just a different state.
How do water molecules in the solid phase compare with water molecules in the gaseous phase?
Water molecules in the solid phase are tightly packed together in a fixed arrangement, with a definite shape and volume. In contrast, water molecules in the gaseous phase are far apart, moving freely and quickly, taking the shape and volume of their container.
What happens to the function when the phase shift increases?
When the phase shift of a function, particularly in trigonometric functions like sine or cosine, increases, the entire graph of the function shifts horizontally along the x-axis. An increase in the phase shift moves the graph to the left if the phase shift is negative (subtracting) or to the right if the phase shift is positive (adding). This alteration does not affect the amplitude or frequency of the function; it simply changes the starting point of the oscillation.
What phase change causes clouds to form?
The phase change that causes clouds to form is condensation. When water vapor in the air cools and condenses on tiny particles like dust or ice crystals, it forms cloud droplets. These droplets then come together to create clouds.
Is formation of dew and rain a physical change?
Formation of dew and rain is not a chemical change, but a physical change. Often a change involving state of matter like in this case condensation (or like evaporation, melting, freezing, sublimation, or deposition) shows a physical change and not a chemical change.
Why is a phase change like solid to liquid a physical change?
Melting, the phase change from a solid to a liquid, is considered a physical change rather than a chemical change because when the phase change takes place, the substance that was melted does not change its chemical composition, and the process could be reversed to get the original condition of the substance by freezing (liquid-solid).
What does a Graph of melting point and freezing point of naphthalene look like?
The graph of the melting point and freezing point of naphthalene would show a plateau at the melting point, as the solid naphthalene transitions into the liquid phase, and a plateau at the freezing point, as the liquid naphthalene transitions back into the solid phase. The melting point and freezing point of naphthalene are the same at approximately 80 degrees Celsius.
What phase changes from solid to a liquid?
That is a physical change. Like ice melting
What appearance does a graph line have if the dependent variable does not change with time?
It would be a straight horizontal line like this ______________________ ;)
