explain why graphite can be used as a lubricant

Q: 10. Explain why graphite conducts electricity whereas diamond doesn't. - (include a diagram in your…

A: Graphite is a good conductor of electricity since each carbon atom is linked to three of its…

Q: What is an interstitial alloy?

A: Mixture of a metal with other element or with another metal forms alloys. These metals are mixed in…

Q: What are the Silicate Ceramics? Give some examples? What are the uses of Silicate Ceramics?

A: Silicates are materials composed generally of silicon and oxygen. They were the first ceramics…

Q: What is the difference between the hardening process of Portland cement and the hardening process of…

A: Portland cement is a powdered mixture, and its hardening process is different from that of clays.…

Q: What allows graphite to conduct electricity?

A: Graphite is the most stable allotrope of Carbon. It is the only non-metal that conducts electricity.…

Q: Explain the terms : (a) Intrinsic semiconductor (b) Extrinsic semiconductor.

A: Intrinsic semiconductor: Naturally occurring property of pure material, the number of electrons in…

Q: explain why graphite is a good solid lubricant

A: Why graphite is a good solid lubricant ?

Q: Explain why diamond is harder than graphite. Why is graphite an electrical conductor but diamond is…

A: We know that both diamond and graphite are made of carbon. However, diamond is harder than graphite…

Q: Carbon forms a number of allotropes, two of which are graphite and diamond. Silicon has a diamond…

A: Graphite is an allotrope of carbon which is made up of hexagonal carbon rings in which each carbon…

Q: Explain why diamond is harder than graphite and why is graphite an electrical conduct but diamond is…

A: Carbon has two main allotropic forms - diamond and graphite. These both Allotropes contain Covalent…

Q: >List three allotropes of crystalline carbon.

A: An element that can exist in two or more different forms is known as allotropes. Allotropes are of…

Q: Write amorphous carbon

A: Amorphous carbon is basically is reactive carbon which not  having crystalline structure.

Q: Which substance has the greatest band gap?a) silicon b) germaniumc) lead d) gold

A:

Q: Calculate the packing efficiency and density of diamond.

A: This question is from solid state chemistry where we are asked to find a)packing efficiency of…

Q: Explain why the atomic structure of diamond is different from the atomic structure of graphite?

A: it has a crystalline lattice each carbon in diamond is SP3 hybridized and attached with other Carbon…

Q: Use the hybridization and structures of graphite and diamond to explain why graphite conducts…

A: The objective of the question is to explain the reason behind the good electrical conductivity of…

Q: What do granite and basalt have in common?

A: Granite and Basalt are two of the major rocks found in the earth crust.

Q: What is one layer of graphite called?

A: Introduction: Graphite:Graphite is an allotrope of carbon. It is also known as plumbago. It is…

Q: Desricbe the Heat conductibility And Brittleness of metallic crystals, ionic crystals, molecular…

A: Metallic crystal-Metallic crystals are surrounded by a large no. of delocalized valence electrons .…

Q: Have each group member select and study a material from the section on ceramics, cement, and glass.…

A:

Q: What is the coordination number in: a. SCC b. BCC c. FCC d. HCP

A: Please find your solution below : Coordination number in solid crystal structure is defined as the…

Q: Name the two most important allotropes of sulphur. Which one of the two is stable at room…

A: The two most important allotropes of sulfur are given below, That is, Rhombic form and Monoclinic…

Q: What is the definition of a ceramic?

A:

Q: Which element produces a p-type semiconductor when doped into silicon?

A: Semiconductors are the materials that have a conductivity that lies between the conductors and…

Q: Define the term Ceramics? Give some examples?

A: The materials that are resistant to corrosion, hard yet brittle is known as ceramics.

Q: Explain how metallic conductors, semiconductors, and insulators are identified and explain their…

A:

Q: Classify as n-type or p-type a semiconductor formed by doping (a) germanium with phosphorus, (b)…

A:

Q: Why does graphite conduct electricity?

A: Graphite is an allotrope of carbon. It is a covalent solid. It has a trigonal planar geometry. The…

Q: Why are impurities added to silicon dioxide in the glass making process? To increase mechanical…

A: Impurities like boric oxide , sodium oxide and aluminium are used while making the glass

Q: Steel is an example of interstitial alloy .A ionic solid .B molecular solid.C substitutional alloy.D…

A: Alloy is a compound made up of combining two or more metallic elements. Steel is an alloy made up of…

Q: Explain why graphite can conduct electricity, but diamond does not.

A: The reason is as follows,

Q: Why is graphite a good lubricant? What advantages  does it have over grease or oiled based…

A:

Q: Which statement explains why graphite is used as a lubricant? * O A All bonds between the atoms are…

A: Graphite is used as a lubricant. Give reason.

Q: Classify each of the following as a conductor, insulator, or semiconductor: (a) carbon (graphite);…

A: Conductors are those that allow the charge to pass through them while insulators don't allow the…

Q: Silicon carbide (SiC) is an example of what type of solid? molecular covalent network ionic…

A: We have to find out nature silicon carbide

Q: Compare the crystal structure of diamond (C) and zinc blended (ZnS). What are the key similarities…

A: Similarities:  Both diamond and zinc blend have FCC lattice structure. Each carbon atom in diamond…

Q: In-band theory of bonding for solids, what is a bandgap?

A: The band theory of bonding for solid signifies the quantum state of that electron present inside the…

Q: What are Non=Oxide-Ceramic? Give some examples?

A: Non-Oxide Ceramic Non-oxide ceramics are specialized Ceramics that are classed as inorganic,…

Q: List three differences and two similarities between diamond and graphite

A: Similalities between Diamond and Graphite are,1. Both are allotropes of carbon2. Both are…

Q: Why are X-rays used for crystallography? Why not use some other, more accessible type of…

A:

Q: Why is graphite soft lubricant and good conductor of electricity?

A: Graphite is a non metal having two dimensional sheet like structure where each carbon atom uses sp2…

Q: What is the main component of glass?a) Al2O3 b) SiO2 c) CaF2 d) SiC

A:

Q: Which liquid samples: Heated or unheated magma (=honey) has the lowest viscosity and the highest…

A: Viscosity is inversely proportional to fluidity. It is the ability of a liquid to resist flow. Magma…

Group 14 Elements

The following elements come under group 14 of the periodic table.