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What does the flat portion of the temperature time graph in the experiment of melting point indicates?
The flat portion of the temperature-time graph during the melting point experiment indicates that the substance is undergoing a phase change. As heat is being absorbed to break the intermolecular bonds and transform the solid into a liquid, the temperature remains constant until all of the substance has melted.
What does the phase change graph for water look like?
The phase change graph for water shows three main regions: solid (ice) melting into liquid water at 0°C, liquid water boiling into steam at 100°C, and steam condensing back into liquid water at 100°C. These transitions occur at stable temperatures and pressures.
Why does liquid water take the shape of the cup but solid ice cubes do not?
An ice cube is a solid. This means that its molecules hold tightly together and it retains its shape.Water is a liquid. This means that its molecules are loosely bonded together, and gravity can pull them down. When it does, the molecules will spread out to fill the shape of the container they are in.
What happens if liquid and solid mix?
Any number of things, depending on what the substances are. One of the most interesting is a "non-Newtonian fluid" which can be experienced with equal parts of water and cornstarch.Commonly, a liquid and a solid mixing will be just that - a liquid and a solid mixed (think of rocks in water, or mud. The sand in the mud is still present and water molecules encircle it). Another thing that can happen is you get a solution, i.e. the solid is dissolved in the liquid. This happens with salt and water, for example. The solid salt breaks down into its respective ions (in this case, a sodium cation Na+ and a chloride anion Cl-) which float around the water molecules at a sub-microscopic level and what we are left with is salt water!---------------------------------------------------------------To be really precise is quite difficult since the variety of possible phenomena is huge. Some interesting possibilities related to everyday life can be evidenced if the liquid is composed by polar molecules, like water or common alcohol (ethane).If we put a ionic solid (like common salt) in a polar liquid, liquid particles attach to the ions constituting the solid and, if temperature is sufficiently high, detach them from the solid body and surround them crating a sort of liquid particle shell all around every ion (this phenomenon is called hydration in the case of water). This is the mechanism causing polar solvents like water to dissolve ionic or polar solids like salt.If a polar solvent is put in contact with a non polar solid this phenomenon cannot happen since the solid particles are not sensible to electromagnetic forces and the only way the liquid has to detach particles from the solid body is by collisions, that is a quite inefficient method, unless the temperature is really very high. Thus non polar solids generally do not dissolve effectively in polar liquids.If the solid do not dissolve in the liquid, it is possible that the liquid wets the solid surface or not. In the first case liquid droplets on the solid surface are quite shallow, tending to be flat. In the second case droplets retain an almost spherical shape, even if the contact surface with the solid generally do not degenerate to a single point. The subjective effect is that, if the liquid do not wet the solid, after the contact with the liquid, the solid surface do not retain any liquid particle so that is appears to be dry. If the liquid wets the solid, a few liquid particles remains attached to the solid surface and it appears wet after the extraction of the solid body from the macroscopic liquid mass.Another interesting effect happening when a solid body is immersed into a liquid that do not dissolve it is the presence of a force, called Archimede's force, opposing the gravity and tending to push the solid upward. It is essentially due to the interaction between the solid and the liquid particle while the solid during immersion substitutes part of the liquid body. The Archimede's force intensity is equal to the weight of the liquid mass moved by the solid during its immersion in the liquid and, if the solid density is smaller in average with respect to the liquid one, the solid do not immerse completely in the liquid since immersion stops when the Archimede's force balance the gravity force. This is the principle causing ships to remain on the sea surface.There are a lot of other phenomena happening when a solid interacts with a liquid, comprising the change of theh liquid characteristics happening when the solid is dissolved by the liquid, comprising the rise of non-Newtonian characteristics cited by the other answerer, that is really a very interesting phenomenon.
What can you say about the volume of a solid?
The volume of a solid is the amount of space it occupies in three-dimensional space. It is typically measured in cubic units such as cubic meters or cubic centimeters. The volume of a solid can be calculated using mathematical formulas specific to the shape of the solid, such as the formula V = length x width x height for a rectangular prism.
What does the flat portion of the temperature time graph in the experiment of melting point indicates?
The flat portion of the temperature-time graph during the melting point experiment indicates that the substance is undergoing a phase change. As heat is being absorbed to break the intermolecular bonds and transform the solid into a liquid, the temperature remains constant until all of the substance has melted.
What does the phase change graph for water look like?
The phase change graph for water shows three main regions: solid (ice) melting into liquid water at 0°C, liquid water boiling into steam at 100°C, and steam condensing back into liquid water at 100°C. These transitions occur at stable temperatures and pressures.
What state of matter is magma?
slime is a liquid. it has a definite volume but not a definite shape. and when you leave it on a flat surface, it spreads like a puddle. specifically, slime is a non newtonian fluid. non newtonian means that it doesn't behave like we think it should behave.
What does the flat line on cooling curves represent?
The flat line on a cooling curve represents the phase transition of a substance from liquid to solid. During this phase transition, the temperature remains constant as the substance changes from a liquid state to a solid state.
How would you describe the motion of an object when there is a flat line on the distance - time graph?
If there is a flat line on a distance-time graph, it indicates that the object is not moving, as the distance remains constant over time. This means that there is no change in position, and the object is at rest.
Is a cylinder a flat faced solid or a rolling solid?
It is a flat-faced solid.
Flat surface on a solid figure?
the flat surfaces of a solid figure are the
What is the graph of a line with a slope one half that contains the points -6 and 6?
' -6 ' and ' 6 ' are not points. On a 2-dimensional (flat) graph, you need two coordinates to locate one point. (On a 3-dimensional (solid) graph, you need three coordinates to locate one point. And there's no such thing as a 1-dimensional graph.)
What does a flat line on a speed vs time graph mean?
it means the object is moving at a constant speed
What of a solid figure is a flat surface?
A a solid figure on a flat surface is a plane figure (I do believe)
What is the flat surface of a solid figure?
The flat surface of a solid figure is called a face. For example, a rectangular prism has 6 flat surfaces and therefore 6 faces.
What if your graph has two flat section joined by slope. What does it mean where the graph is flat On the graph mark when the ice is melting Also mark the boiling water.?
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.
