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Why is the curve for the freezing of a solution different in slope from the freezing of the solvent?
The curve for the freezing of a solution is different from that of the pure solvent because the presence of solute particles lowers the freezing point of the solution. This phenomenon is known as freezing point depression. The slope of the curve for the solution is less steep than that of the solvent due to this depression effect.
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How does a heating curve change when one compares a pure solvent to a solution?
In a pure solvent, the heating curve shows a steady increase in temperature until it reaches its boiling point, where a plateau occurs due to phase change. In a solution, the heating curve will typically show a higher boiling point than the pure solvent due to the presence of solute particles that disrupt the solvent's intermolecular forces, requiring more energy to reach boiling.
What is typically displayed on the solubility curve?
The solubility curve typically shows the relationship between temperature and the maximum amount of solute that can dissolve in a solvent to form a saturated solution. It helps to determine at what temperature a solution will become saturated or remain unsaturated.
A graph that demonstrates the amount of substance that dissolves in a given quantity of solvent at specified conditions?
The graph you are referring to is called a solubility curve. It shows the relationship between the amount of solute that can dissolve in a solvent at a certain temperature. The curve indicates the solubility limit for that particular solute-solvent system under the specified conditions.
Which salt has a solubility curve which resembles the behavior of gasses in solution?
Ammonium chloride has a solubility curve that resembles the behavior of gases in solution, as its solubility decreases with increasing temperature. This is similar to how gases become less soluble in liquid as temperature increases.
How do you find the solubility of an element using a solubility curve?
To find the solubility of an element using a solubility curve, locate the temperature on the horizontal axis and then find the corresponding solubility value on the vertical axis. Follow the curve that represents the element to determine its solubility at the specific temperature.
Why is the curve for the freezing point of solvent different from the freezing point of solution?
The freezing point of a solution is lower than that of the pure solvent due to the presence of solute particles, which disrupt the solvent's ability to form solid lattice structures. This disruption lowers the energy required for the solvent to freeze, causing the freezing point depression. The curve for the freezing point of a solution reflects this relationship between solute concentration and the resulting freezing point.
How does a heating curve change when one compares a pure solvent to a solution?
In a pure solvent, the heating curve shows a steady increase in temperature until it reaches its boiling point, where a plateau occurs due to phase change. In a solution, the heating curve will typically show a higher boiling point than the pure solvent due to the presence of solute particles that disrupt the solvent's intermolecular forces, requiring more energy to reach boiling.
What is typically displayed on the solubility curve?
The solubility curve typically shows the relationship between temperature and the maximum amount of solute that can dissolve in a solvent to form a saturated solution. It helps to determine at what temperature a solution will become saturated or remain unsaturated.
What does any point above a solubility curve represent?
Unsaturated solutions - more solute could be dissolved at the temperature. The solubility curve indicates the concentration of a saturated solution- the maximum amount of solute that will dissolve at that specific temperature. Values below the curve represent unsaturated solutions - more solute could be dissolved at that temperature. Values above the curve represent supersaturated solutions, a solution which holds more solute that can normally dissolve in that volume of solvent.
What is freezing weather?
Freezing point is defined as the temperature at which the vapour pressure of the liquid is equal to the vapour pressure of the solid.Vapour pressure arises due to the vapourisation of liquid from the surface. Vapour formation is proportional to temperature. As temperature increases, the liquid vapourises faster and hence vapour pressure (VP) increases. And as a fact, VP of solids is lower than liquids due to stronger London forces in solids.From this, we can conclude that VP of:solid at lower temperatures < solid at freezing point = liquid at freezing point < liquid at higher temperaturesLet's consider a liquid whose temperature and VP is above that of the freezing point. To freeze it, its VP must be decreased so that it becomes equal to that of the solid. VP is decreased by reducing temperature.However, if a non-volatile solute is added to the solvent, the VP decreases at a given temperature. Now, it will become equal to that of solid solvent at a lower temperature (Raoult's law). To understand how the equality is achieved at low temperatures, follow the freezing point depression graph.Y-AXIS|____________________________C.|_________________________.__|_____________________.________.D|__________________.________.|_____________B_.________.|____________._|_____.__|__________.___|_.|________.__.__|_|______A.______||______._|_____||____E.__|_____||________|_____||________|_____|_------------------------------------------X-AXIS-------------T1------ T2EAB- a slightly curved line for solid solventBC- a slightly curved line for liquid solventAD- a slightly curved line for solutionX AXIS- Temperature in KY AXIS- Vapour PressureA and B are the freezing points of the respective substancesInference from the graph:At T2, the vapour pressure of solution is lower than that of pure solvent (implied by 'However, if a non-volatile solute is added to the solvent, the VP decreases at a given temperature').The solution curve meets the solid curve at a freezing temperature lower than that of the pure solvent (implied by 'Now, it will become equal to that of solid solvent at a lower temperature (Raoult's law)').Thus, a solvent's freezing point (temperature at which a solvent freezes) can be reduced/depressed by turning it into a solution.For example, salt added to water will prevent it from freezing at 0 degree celsius.
A graph that demonstrates the amount of substance that dissolves in a given quantity of solvent at specified conditions?
The graph you are referring to is called a solubility curve. It shows the relationship between the amount of solute that can dissolve in a solvent at a certain temperature. The curve indicates the solubility limit for that particular solute-solvent system under the specified conditions.
What is typically displayed on the y-axis of a solubility curve?
The y-axis of a solubility curve typically displays the solubility of a substance in a given solvent at various temperatures. Solubility is usually measured in grams of solute per 100 grams of solvent or in moles of solute per liter of solvent.
When reading a solubility curve the interception of the slope represents?
In a solubility curve, the interception of the slope typically represents the saturation point of a solute in a solvent at a given temperature. At this point, the solution is at equilibrium, meaning it can no longer dissolve additional solute without forming a precipitate. Above this point, any additional solute will not dissolve and will remain undissolved.
How is the solubility of a substance calculated at different temperatures?
The solubility of a substance at different temperatures is calculated by measuring the amount of the substance that can dissolve in a given amount of solvent at each temperature. This data is then used to create a solubility curve, which shows how the solubility changes with temperature.
How is a market supply curve similar to and different from an individual supply curve?
how is a market supply curve similar to and diffrent from an individual supply curve
What is the set of an equation in two variables in the set of all points in a coordinate plane that represent all the solutions of the equation?
To graph the set of all the solutions to an equation in two variables, means to draw a curve on a plane, such that each solution to the equation is a point on the curve, and each point on the curve is a solution to the equation. The simplest curve is a straight line.
Where do you find the solutions to a quadratic equation on a graph?
The solutions to a quadratic equation on a graph are the two points that cross the x-axis. NB A graphed quadratic equ'n produces a parabolic curve. If the curve crosses the x-axis in two different points it has two solution. If the quadratic curve just touches the x-axis , there is only ONE solution. It the quadratic curve does NOT touch the x-axis , then there are NO solutions. NNB In a quadratic equation, if the 'x^(2)' value is positive, then it produces a 'bowl' shaped curve. Conversely, if the 'x^(2)' value is negative, then it produces a 'umbrella' shaped curve.
