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

Q: Explain why water forms into beads on a waxed car finish.

A: Since we know that a polar molecule dissolves in polar molecule and a non polar molecule dissolves…

Q: Write

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

Q: Is it possible to freeze ammonia? What conditions would be necessary for frozen ammonia?

A: The phase diagram of the ammonia is given as,

Q: 1.) Given this information, answer the following questions for crystalline MgO. ionic radius of Mg:…

A: Here we need to find the crystal structure, theoretical lattice parameter and density from the data…

Q: Describe the structure of Ionic Solids?

A: Ionic solids are composed of cations and anions which are held together by electrostatic force of…

Q: How does pressure and crystallinity affect density of a material?

A: In this question, we have to find out the correct answer of given problem by the help of the…

Q: Describe the molecular basis of the property of water responsible for the presence of ice on the…

A: The melting point of water is 0oC. So whenever the temperature of the surroundings drops below 0oC,…

Q: 2.) Given this information, answer the following questions for crystalline CsBr. ionic radius of Cs:…

A: Given data about crystalline CsBr: ionic radius of Cs: 0.167 nmionic radius of Br: 0.196 nmatomic…

Q: Enumerate methods to determine a compound's melting point.

A: Melting point of a compound can be defined as the temperature at which the solid changes into liquid…

Q: Describe how to obtain the melting point of a compound that sublimates. Why?

A: The melting point means the temperature when a solid substance melts into a liquid substance. That…

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: Illustrate the phase diagram of acetone and explain your findings.

A: Phase diagram of any system is the diagram which describes the change in the physical state of that…

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: g lattice

A:

Q: Briefly explain the difference between particle and crystal size

A: One of the four basic states of matter is solid. A solid's molecules are densely packed together and…

Q: Explain how vacancies are introduced in a solid NaCl crystal when divalentcations are added to it.

A: The properties of a solid can be changed desirably by adding known amount of impurities in its…

Q: is the study of fundamental principles of nanostructures between bulk and atomic properties.

A: Nanoscience: The study of fundamental principles of nanostructures between bulk and atomic…

Q: what are alloys? give examples.

A: Alloys: Combination of two or more metals in order to enhance the chemical and physical properties…

Q: t type of lattice c

A: in this picture we can see that : a= b ≠c                but all…

Q: .Why is slow cooling required to produce pure crystals?

A: We are to discuss why slow cooling is done to form pure crystals.

Q: Why does sodium acetate form a supersaturated aqueous solution upon fast cooling? why is fast…

A: Supersaturated solution: A solution that contains more than the maximum quantity of solute that may…

Q: At the boiling temperature of water, what interactions are being broken for the transition of liquid…

A: Since water molecules have strong H bonds between them.  Hence it is necessary to break this H bonds…

Q: In Purification by Sublimation, what improvement can suggest to increase the amount of crystals that…

A: Sublimation refers to when a substance in a solid-state and changes into vapours without going into…

Q: Consider the structures of salicylic acid and acetylsalicylic acid. What structural features are…

A: The compounds containing carbon and hydrogen are called the organic compounds. They even contain…

Q: Why is ‘‘distillation’’ a purifying technique?

A: Answer Distillation is a purifying technique. Distillation is…

Q: Define crystal structure?

A: A crystal structure is a unique arrangement of atoms in a crystal. A crystal structure is composed…

Q: Why would the cohesion and thermal stability of water beless if water did not have polar covalent…

A: Water is an inorganic, unscented, and most dismal synthetic substance, which is the principle…

Q: Describe the features of Ionic Solids?

A: Solids have strong intermolecular space among the atoms, due to the small gap between them. We can…

Q: 2. Water will evaporate rapidly at higher temperatures. What effect would the evaporation of water…

A: We are to discuss the effect of evaporation of water at high temperature on the temperature at which…

Q: Explain crystalline solid.

A: We need to explain crystalline solid substance.

Q: From its phase diagram, why do you think CO2 is called dry ice

A: Triple point of a substance can be defined as the temperature and pressure at which three phases of…

Q: Which among the variables is NOT part of the distillation process? O Polarity Phase interaction O…

A: Distillation is the process for separating a mixture of compounds via conversion of liquid into…

Q: Explain this phase diagram of copper and nickel briefly

A: A phase diagram represent the variation in the physical state of a substance under different…

Q: Why is some water hard?

A:

Q: Define the term crystalline lattice?

A: Interpretation: The term crystalline lattice is to be defined.

Q: rue or false Ionic solids are good conductors of heat and electricity only when dissolved or melted

A: Ionic solids conduct electricity but in certain specific cases:

Q: Explain in detail the process by which water gets “Hard” (formation of hard water).

A: Hard water is water that has high mineral content (in contrast with "soft water"). Hard water is…

Q: Illustrate the phase diagram of ethyl alcohol and explain your findings.

A: Ethanol is a liquid at standard conditions. However, at low temperature and/or very high pressures…

Q: How do calcium ions in water affect the textural properties of products during cooking in water?…

A: Hardness in water is due to the presence of dissolved salts of calcium and magnesium. It is unfit…

Q: Which solid will be least soluble in water? O FEPO4 O Caso4 CASO4 KNO3

A: The solubility of ionic solids can be predicted by knowing solubility rules These solubility rules…

Q: Do X-ray diffraction structures correspond to their solution structure?

A: X-RAY DIFFRACTION: X-ray diffraction is a method used to determine the structure of crystals by the…

Q: What are alloys?

A: Alloys: Combination of two or more metals in order to enhance the chemical and physical properties…