1.By understanding the structure of crystals molecularly, what is its relation to the strength of materials? 2. . Compare and contrast the two types of close-packing in solids

Q: Both covalent-network solids and ionic solids can havemelting points well in excess of room…

A: a) Since the ionic solids have ions present in it. Hence it is polar in nature due to presence of…

Q: Does the strength of the intermolecular forces in a liquid change as the liquid is heated? Explain.…

A: Yes, the strength of the intermolecular forces in a liquid change as the liquid is heated.…

Q: For most substances, the solid is more dense than the liquid. Sketch the phase diagram for such a…

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Q: Ammonia can be liquefied by compression at room temperature; oxygen cannot be liquefied under these…

A: The critical temperature of a substance is defined as the maximum temperature at which the substance…

Q: What is the relationship between vapor pressure and a liquid's temperature?

A: Vapour pressure and temperature of a liquid is directly proportional. Which means if temperature of…

Q: Draw a diagram and explain Schottky and Frenkel defects in solids. State one application of each of…

A: Defects in solid crystals refers to distortion in crystal structure. It may be stoichiometric (no…

Q: Compare and contrast the two types of close-packing in solids?

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Q: Phase Change: Transformation from one form of energy to another form of energy. The temperature at…

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Q: th

A: The total number of bonds that an atom can form with its adjacent atom or the total number of…

Q: >Explain why the viscosity of liquid sulfur increases with increasing temperature initially, but…

A: The liquid S viscosity increases as temperature increases initially but on further temperature it…

Q: 1.5 P (atm) 1.0 - 0.5+ -10 0 10 20 30 40 50 60 70 T ('C)

A: From the diagram we have to say the normal boiling point.

Q: The smectic liquid crystalline phase can be said to be morehighly ordered than the nematic phase. In…

A: The smectic liquid crystalline phase can be said to be more highly ordered than the nematic because…

Q: The phase diagram for sulfur is given below (the attached image), along with some information about…

A: A question based on phase diagram that is to be accomplished.

Q: Define the following terms in relation to crystalline solids:(i) Unit cell (ii) Coordination…

A: (i) Unit cell :  Smallest part of crystal lattice which on repetition in 3D can generate entire…

Q: what are antiferromagnetic and ferromagnetic solids?

A: The terms ferromagnetic and antiferromagnetic are related to behaviour of materials in presence of…

Q: A type of alloy is a homogeneous solid mixture of metals and melts at a distinct temperature. What…

A: Alloy are the homogeneous mixture of metal - metal or non metal - non metal. Alloy usually have high…

Q: 1. Does the diagram best describe a crystalline solid, a liquid, or a gas? Explain.  2. In terms of…

A: Both a conventional fluid and a nematic fluid precious stone stage are liquids, however just in a…

Q: State two molecular characteristics of substances that typ-ically form liquid crystals. How is each…

A: Given: To determine the two molecular characteristics of substances that typically form liquid…

Q: 10) Assume that boron is used to dope silicon. If boron dopant concentration uniform and has a value…

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Q: What is meant by the term coordination number in the structure of a solid? How does the coordination…

A: The number of neighbor atoms that touch the atom (which is at observation) is defined by the term…