Enumerate methods to determine a compound's melting point.

Q: Write

A: 1. In powder method, instead of taking a single crystal ,a finely powdered mass of crystalline…

Q: Rank the following compounds in order of decreasing melting point, putting the compound with the…

A: Melting point of any molecule is directly proportional to the packing efficiency of the molecule.…

Q: Which compound has the highest boiling point? OH II II IV V Select one: O V O II O IV

A: The molecule which having intermolecular hydrogen bonding is considered as a strong intermolecular…

Q: up - Period 5 4. A green crystal does not conduct electricity dissolves in water and the solution…

A: Ionic. Ionic solid crystal does not conduct electricity in solid phase but can conduct electricity…

Q: When a substance changes from solid to liquid form, the bonds between the particles become stronger.…

A: State change is the physical change .

Q: An unknown substancehas a melting point of 1127 ∘C,is soluble in water,does not conduct heat as a…

A: Identification of a compound from its properties.Given here, an unknown solid having melting point…

Q: Please answer the ff questions and clear your answer. a. Why are most atoms held by chemical bonds.…

A:

Q: Strongest intermolecular force in magnesium

A: Answer - Intermolecular force - An intermolecular force is the force that mediates interaction…

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: What happens to a snowflake when it is put in the freezer? does it melt or does it become glass ice?…

A: Solution - According to the question - Given - snowflake icon represents the number 1 or the least…

Q: Cite some possible applications of determining the melting point of a substance. Explain briefly

A: In addition to that, melting point is often used to predict the partition behavior of a chemical…

Q: Mineral A is discovered to be an ionic compound, while Mineral B is a molecular compound. If the…

A: Minerals are the naturally existing form of metals. In molecular compounds, the molecules are held…

Q: 8)Why measuring melting points?

A: You have a good question

Q: There are three sets of sketches below, showing the same pure molecular compound (sulfur dioxide,…

A: To check tha nature of sketches at these given Temperatures , we would use the given melting and…

Q: A student reports a melting point of 121°C. What is objectionable about that? 1) the melting point…

A: During qualitative analysis of compounds, we can measure the melting point of the compound.  Melting…

Q: Differentiate between Volatile and Non-Volatile?

A: A non-volatile substance refers to a substance that does not readily evaporate into a gas under…

Q: Alcohol and kerosene create a layer of suspension when poured in the same bottle explain the…

A: When the two liquids are mixed with each other and if there is no distinction phase is formed…

Q: f you are working as an industrial chemist, what information can you obtain from the melting point…

A: As a industrial chemist, the Melting point of a compound is temperature at which solid compound…

Q: A student synthesizes a pure compound whose melting point is known to be 150 degrees Celsius. Which…

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

Q: This graph shows how the vapor pressure of three liquids varies with temperature: 900 800 4 700 600…

A: a.) Volatile liquids are those which can easily boil . So they have lower boiling point or Higher…

Q: Predict which compound corresponds to the given boiling point. Use the drop-down list to choose the…

A: Boiling point of alkane depends on the polarity, intermolecular forces of attraction, structure of…

Q: When a melting point determination is performed in the lab, three temperatures are noted.  In order…

A: The temperature at which the solid phase of a substance completely changes to the liquid phase is…

Q: Water is a volatile liquid. O True O False

A:

Q: O triple point O melting point boiling point

A: when the temperature increases then the kinetic energy of the particle increases and when the…

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: Fill in the blanks: The two processes involved during distillation are and

A: Distillation is the process in which any liquid is firstly converted into vapour and then that…

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

A:

Q: A student synthesizes an impure compound whose melting point is known to be 143 degrees Celsius.…

A: Melting point of a substance is considered at that temperature at which a solid melts.

Q: Why is oil liquid at room temperature, while butter is solid?

A: We have to discuss the reason why the oil liquid at room temperature, while butter is solid. Butter…

Q: Strongest Intermolecular force in NaCl

A: The attraction forces between the different molecules are known as intermolecular forces.

Q: Place a pinch of Sodium chloride on a teaspoon. Heat and note the time it takes to melt it. If after…

A: Please find the attachment.

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: How to define appearance of substance?

A: The physical appearance of a substance is its colour, size, shape, boiling point, melting point,…

Q: Which of the following best indicates a pure sample when taking a melting point? Choose one answer…

A: Melting point Apparatus are used to determine the range of melting point of solid substances…

Q: Why does water frozen in an ice cube tray stay in the shape of a cube when it is it taken out of the…

A: Water is a liquid which attain the shape of any contained in which it is poured.

Q: When you are distilling a pure substance, what does the temperature measured during the distillation…

A: The question is based on the concept of distillation technique. It is the process of purifying a…

Q: 4. *Strictly speaking, why is it incorrect to speak of a melting point?

A: Melting point of a substance is the temperature at which solid form of the substance starts…

Q: distilled water

A: In this question we have to explain the distilled water device and also know about features.

Q: Explain the role of temperature in the purification process of crystalline compounds.

A: Crystallization is the process of formation of crystals. This method is used for the purification…

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

A: The melting point range can be defined as follows:

Q: which type of model best represents crystals.A space-fill B ribbon C ball and stick D lewis dot

A: Crystals are the highly arranged or ordered structure (microscopic) which forms a crystal lattice.

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: In a distillation process, a sudden formation of vapor might happen when heat is concentrated in one…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Use the simulation to estimate how many times higher the melting temperature is of the substance…

A: Melting point is the temperature at which solid changes in to liquid form.

Q: explain how ammonium nitrate is an effective material for ice packs.

A: Answer - Ammonium nitrate - Ammonium nitrate is a crystal-like white solid which is made in large…