What is the normal freezing point, melting point, and boiling point of the substance

Q: While lowering the temperature of a solid, which of the following is occurring a. Intermolecular…

A: Solids are packed with strong forces of interactions among constituent particles. The inter-particle…

Q: The state of a substance when the pressure and temperature are above the critical temperature and…

A: Critical temperature is the temperature above which a gas can't be liquify by applying pressure.  At…

Q: Give the scientific definition about the boiling water.

A: the scientific definition about the boiling water is given below.

Q: 56. This statement is correct regarding the relationship of vapor pressure with boiling point. *

A: Two multiple choice questions are given here.  The first question deals with the relation of boiling…

Q: the temperature at which the vapor pressure of the liquid equals the external or atmospheric…

A: The question is based on the concept of physical chemistry. We  have to correctly identify the…

Q: he melting point and freezing point are the same temperature.  True or  False

A: Melting point is the point where the solid phase changes to liquid  Freezing point is the point…

Q: Define Boiling point?

A: There are mainly three states of matter known as solid, liquid, and gases. The conversion of a solid…

Q: Intermolecular means Hydrogen bonds can occur among molecules O False O True

A:

Q: Identify the true statements about surface tension. Molecules along the surface of a liquid behave…

A: Surface tension is directly proportional intermolecular forces of attraction  Solution is given in…

Q: Two white crystalline samples were left on the bench after an experiment. To help identify | them,…

A:

Q: In pure substance, at constant volume, pressure and temperature will dictate whether a substance…

A: None of the statement is true

Q: What are the conditions for forming a homogeneous solid solution? Explain

A: Solution Thermodynamically, an answer could be a special description of a unvaried mixture that it's…

Q: What would be the possible application of determining the melting point of a substance?

A: Below attached file showing the details answer.  All the best.

Q: How do intermolecular force affect the boiling point and melting point of a compound?

A: Boiling point deals with boiling of a liquid and melting point deals with melting of a solid. In…

Q: After adding salt to melting ice, what change needs to happen for the ice to re-solidify

A: The phenomenon is the lowering of melting point,  it is a colligative property.

Q: What happens with the comprised liquid particles if the temperature lowers? O compact O move freely…

A: Applying concept of kinetic energy and temperature relationship.

Q: What are the strongest and weakest forces of attraction between molecules? (strongest; weakest)

A: Strongest force of attraction which release highest energy in bond formation and which release…

Q: Define boiling point.

A: The vapor pressure is defined as the pressure exerted by the vapor of the substances that are in…

Q: Cite two real-life applications of cooling curve and determination of the freezing point of a…

A: Applying cooling curves and freezing points to real life: 1. In heavy snow areas,• Salt the roads to…

Q: Cite four real-life applications of cooling curve and determination of the freezing point of a…

A: A substance  generally exists in one of the three states of matter that is solid, liquid, and vapor.…

Q: Which of the following descriptions apply to matter in the gaseous state? Has definite shape and…

A: Gases do not have definite shape and volume .   Gases are highly compressible .  If we increase the…

Q: This graph shows how the vapor pressure of three liquids varies with temperature: 900 - 800 700- 600…

A: Volatility of a liquid is how easily any liquid vaporizes at a certain temperature. So at same…

Q: The graph below represents the heating curve of a substance that starts as a solid below its…

A:

Q: This graph shows how the vapor pressure of three liquids varies with temperature: 900- 800 - 700 -…

A: The liquid molecules tend to convert into the vapour phase. In a closed container, the pressure of…

Q: What does the line separating the liquid phase from the gas phase represent?

A: The phase diagrams are used to calculate the state of the matter. There are three phases i.e.,…

Q: When the vapor pressure of the compound below equals atmospheric pressure, which attractive force…

A: When methanol boils the attractive force that involved is-

Q: How do we know we are observing the beginning of the melting point range? First drop of liquid is…

A: Melting point means the temperature when a solid converts into liquid.

Q: Based off of the principles of intermolecular forces, which liquid has the highest vapor pressure?…

A: The liquid molecules tend to convert into the vapour phase. In a closed container, the pressure of…

Q: 120- 90 60 30- Time (minutes) What is the melting point of this substance? Which letter represents…

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Q: The boiling point of a liquid is: O a. The turning of a vapor phase to a liquid phase O b. The…

A: We have to tell which option is correct

Q: The boiling points of liquids are pressure dependent, and boiling points are always reported as…

A: In the given question we have asked that whether the give statement is true or false and the…

Q: A student has a mixture of two possible compounds. The student performs an extraction to separate…

A: The two compounds differ in melting points by more than 400C and the ramp rate here is 100C per…

Q: Which of the following is expected to have the highest boiling

A: As we know,  Boiling point is depends on intermolecular interaction between molecules and size of…

Q: 5. Is the melting temperature of a substance different from its freezing temperature? Define the…

A: The melting point of a substance is same as that of its freezing point. At this particular…

Q: Chemicals Amount 1,4-dimethoxyBenzene 0.327 g (2.37 *10^-3 mol) t-butyl alcohol (density=0.781 g/mL)…

A:

Q: Boiling points depend on the mass of the compound and the attraction between molecules of the…

A: Boiling point is defined as the temperature at which vapor pressure of liquid is equal to pressure…

Q: The graph below represents the heating curve of a substance that starts as a solid below its…

A: Since you have posted a question with multiple sub-parts, we will solve the first three subparts for…

Q: This gra ows how the vapor pressure of three liquids varies with temperature: 900- 700- 600- 500 400…

A: a) Volatility of any substance depends on the vapour pressure of the substance. More is the vapour…

Q: How do intermolecular forces impact the melting point of a substance?

A: Intermolecular force : It is a force of attraction( sum of both attractive and repulsive components…

Q: 9)Who measures melting points?

A: Melting point is defined as the temperature at which solid starts melting. At melting point there is…

Q: Table 4. Identification of Substances Based on Boiling Point Compound No. Temperature 1 (*C)…

A: Vaporization is the physical process in which there is a transition from a liquid phase to a gaseous…

Q: Relating vapor pressure to vaporisation.

A: Liquid having higher vapour pressure is more volatile than liquid having lower vapour pressure.…

Q: The physical state(s) present when a substance is boiling is (are)   liquid + solid.

A: Generally, the physical state of the matter comprises the three states. These 3 states play a…

Q: A student synthesizes a pure compound whose melting point is known to be 138 degrees Celsius. Which…

A: Melting point, the temperature at which the solid and liquid forms of a pure substance can exist in…

Q: What intermolecular forces are present in CH3OH?

A: Hydrogen bonding.

Q: This graph shows how the vapor pressure of three liquids varies with temperature: 900- 800- 700 600…

A:

Q: The pure liquid with the lowervapor pressure at room temperature has the ______ boiling point.

A: Vapor pressure :- The pressure exerted by the vapour molecules on the surface of a liquid when both…

Q: What type(s) of compounds can be recrystallized? Liquids Gases Solids Liquids and Solids Liquids,…

A: Crystallization is a process of formation of crystals i.e. separation of solid. Recrystallization is…