what are the bondling and structure of graphite, explain why graphite is a good solid lubricant

Q: Complete and balance the following:(a) AsCl3(l) 1 H2O(l) → (b) Sb2O3(s) + NaOH(aq) →

A: Given reactions,        (a)  AsCl3(l) + H2O(l)  →(b)  Sb2O3(s) + NaOH(aq)  →

Q: How many types of boranes does boron forms?

A: Boranes are the compounds containing boron and hydrogen atoms. These types of compounds can be…

Q: Explain the following terms with one example each :(a) Ferrimagnetism…

A: a) Ferrimagnetism It is a property of a substance in which its magnetic moments of the domains are…

Q: What is Oxide Ceramics? Demonstrate the advantages and disadvantages of ceramic materials compared…

A: Oxide ceramics are inorganic compounds of metals like aluminium, zirconium, titanium etc. or of…

Q: Account for the relative bandgap energies of semiconductors interms of periodic trends?

A: Semiconductors are materials which have a conductivity between conductors (generally metals) and…

Q: Which acid is the best for acid leaching of graphite on the basis of environmental impact ? alkali…

A: Which acid is the best for acid leaching of graphite on the basis of environmental impact ? alkali…

Q: Shown below is a key diagram that helps to explain silica-based glass. Describe this diagram as…

A: The following picture represents all the details that can be derived from the above given image.

Q: for what purpose electrometallurgy is used for?

A: Electrometallurgy involves electrolysis of elements.  Reactive metals such as aluminium and metals…

Q: The standard free energy of formation of cubic silicon carbide (SiC) is 62.8 kJ mol-1 . Determine…

A: The change in free energy is used for the prediction of direction of the chemical reaction at…

Q: Write the chemical formula for each of the following, andindicate the oxidation state of the halogen…

A: (A) calcium hypobromite- Ca(BrO)2, halogen- Br, oxidation state of Br is "+1" (B) bromic acid-…

Q: Describe the structure and bonding in silicon dioxide and carbon dioxide

A: Silicon dioxide consists of Si and O atoms. All atoms in SiO2 are bonded to each other by the…

Q: Why are metals generally lustrous?

A: The general definition of the metals can be done as the elements that have tendency to lose…

Q: Explain basing on bonding the differences in properties of: (a) Diamond and Graphite (b) Sodium and…

A: NOTE : Since you'e posted multiple sub-parts,we'll solve only first three sub-parts for you. To get…

Q: Briefly define each term. a. orthosilicate b. amphibole c. pyroxene d. pyrosilicate e. feldspar

A: Since you are posted with multiple sub-parts. As per the rule, I am answering the first three…

Q: Complete and balance the following:(a) AsCl₃(l) +H₂O(l) → (b) Sb2O₃(s) +NaOH(aq)→

A: a) The reactants are  1) AsCl₃(l) 2) H₂O(l)  Hence the reaction taking place will be double…

Q: Draw a 'dot-and-cross' diagram to represent the bonding in potassium oxide.

A:

Q: Describe the bonding in calcium oxide, CaO, in terms of bands composed of Ca and O atomic orbitals.…

A: SOLUTION: Step 1: The Calcium ion is an Alkaline earth metal and give up the 2s orbital electrons…

Q: Silicon has no allotropic form analogous to graphite. Why?

A: The structure of graphite has one carbon atom connected to three other carbon atoms via sp2…

Q: Which groups of elements have the best and which the poorest electrical conductivities? Explain.

A: For an element to conduct electricity, it must have free electron to move around.

Q: What advantage doesPortland concrete have for building compared to the construction methods that…

A:

Q: Why is boron oxide often added to silica glass?

A: Boron is used in glass manufacturing in the way that addition of boron oxide to glass help in…

Q: Describe the hybridization and the bonding of a silicon atom in elemental silicon.

A: Silicon is a group 14 element and it has the four valence electron. Hence it will form 4 covalent σ…

Q: What do Doped semiconductors contain?

A: Semiconductors has a conductivity power in between insulators and conductors. The conductivity power…

Q: Draw the band structure for graphite (carbon) and explain types of band formed in graphite using…

A: Graphite: The layered structure of graphite is made up of rings of six carbon atoms organised in…

Q: How is Vanadium a Problem and an opportunity?

A: Interpretation: How vanadium is a problem and an opportunity is to be determined.

Q: Why does silica operate at highly temperature

A: Silica is widely used in industry. Since it can withstand high temperature.

Q: se molecular orbital band diagrams to explain why metals are good conductors but semiconductors are…

A: Introduction: We have to explain metals are good conductors but semiconductors are not. Molecular…

Q: Suppose you discovered a diamond completely encased in a silicate rock. How would you chemically…

A:

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

A:

Q: What are silicates? What is quartz?

A:

Q: Explain why the structure of charcoal allows carbon to act as a good filter while the diamond…

A: The reason behind the fact that C as good filter in form of charcoal but not as filter in diamond is…

Q: What are semi-conductors?

A: Conductors are those substances which allow heat or electricity to pass through it while insulators…

Q: Discuss the dependence of strength on temperature for metals, ceramics and polymers from the…

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

Q: explain the properties of zinc? zinc can conduct current or not?

A: Zinc is a blue-grey, metallic element with the symbol Zn and atomic number 30. it has a blue-silvery…

Q: Explain why fluorine is found only with the oxidation state of -1 or 0, while the other halogens are…

A: Fluorine in its elemental form has 0 oxidation state.

Q: Define allotropy. Describe different allotropes of Carbon including  a) diamond, b) graphite and…

A: Allotropes are forms of the same element which have either exist in the same or different physical…

Q: The table below lists some properties of three carbon allotropes. Explain, from a molecular…

A:

Q: hy do oxides of phosphorus and sulfur have varied oxidation number?

A: The oxidation state of an element is the representation of the charge acquired by that element after…

Q: The hypothetical metal is said to contain various crystalline defects. Explain the role of defects…

A: Crystal Defects is imperfection of regular geometrical shape. This happenes due to change of…