why does Magnesium oxide have high thermal conductivity but low electrical conductivity?

Q: Write a comparison between : 1- Metal with ceramic 2- Metal with polymer 3- Metal with nanomaterial

A: The differences are as follows:

Q: Indicate whether each statement is true or false:(a) Elastomers are rubbery solids.(b) Thermosets…

A: True, Elastomers are rubbery solids.they have elastic property. These polymer chain are held…

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: Which materials are best suited for discharging excess static charge on your clothing during winter,…

A: Since we know that  a conductor are the materials which allows electrons to move freely  where as an…

Q: What is the difference between silicon and silicone?

A: Silicon  * Silicon is a naturally occurring chemical element. * It acts as metalloid that is it…

Q: 1. Graphene oxide is not a carbon nanomaterial.

A: Particles with a size below 1 × 10-9 m ( 1 nanometer ) are called as nanoparticles or nanomaterials.…

Q: Explain why water has a nonzero electrical conductivity even in the absence of impurities. Write…

A: Electrical conductivity: Electrical conductivity of any solution is defined as by saying that…

Q: Germanium in silicon will be p-type or  n-type?

A: P-type semiconductors are those semiconductors in which the doping material used is from Boron…

Q: List 3 composite materials that uses covalent bonding and ionic bonding. 3 each per bonding

A: A material that is made by combining two or more substances that have different physical properties…

Q: A common feature in high-temperature ceramic superconductors is a Cu-0 sheet that serves as a…

A:

Q: Write amorphous carbon

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

Q: Use curved arrows to show how calcium carbide reacts with water to give acetylene.

A: The formula of calcium carbide is CaC2 and it is used for the production of acetylene.

Q: This method of preparing nanomaterials from bulk structures wherein it involves the deposition of…

A: Please find your solution below : Nanomaterials are the materials that have at least one external…

Q: State whether each sentence is true or false: ________ 17(a) Metals have high electrical…

A: Two unique properties of metals are their high electrical conductivities and thermal conductivities.

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

A:

Q: Metals, semiconductors, and insulators are distinguished by differences in values, A) conductivity B…

A: Metals are very good conductors of electricity. Insulators are poor conductors of electricity.…

Q: Unlike metals, semiconductors increase their conductivityas you heat them (up to a point). Suggest…

A: The material that have electrical conductivity in between conductor and insulator is known as…

Q: explain why diamond is a very hard substance and graphite (e.g. pencil ‘lead’) is very soft.

A: The solution is given below -

Q: Why did the compounds acted differently when conductivity was tested?

A: Conductivity is basically the ability of movement of electricity or heat throughout the chemical…

Q: Type of silicate mineral Anion Formula Do not include OH- Anion Charge  (If it is 0 then make…

A: A silicate is any member of a family of anions consisting of silicon and oxygen, usually with the…

Q: Define composite materials

A: composite materials:-

Q: Describe the compounding process?

A: The compounding process has to be described below.

Q: Why composite biomaterials are preferred over ceramics, explain with examples.

A: Being able to use artificial intelligence to identify and automatically respond to data breaches is…

Q: why Intrinsic Semiconductor materials are the bad conductors of electricity

A: Semiconductor is actually a type of material which has  conductivity in between the conductor and…

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: The following table lists molecular weight data for a polypropylene material. Molecular Weight Range…

A: a) Number average molecular weight Mn =  xiMi = (0.05 x 12000 g/mol + 0.15 x 20000 g/mol + 0.23 x…

Q: What are n-type semiconductors?

A: A n-type semiconductor is defined as a type of extrinsic semiconductor which is doped with a…

Q: the unique advantages of each composite material

A:

Q: How are metals used as semiconductors refined? What is the principle of the method used?

A: The metallic compounds which are found in nature, called as minerals whereas the minerals which can…

Q: ) Explain the band structure of an electrical conductor (metal), a semiconductor, and an insulator…

A: Hello. Since your question has multiple parts, we will solve the first question for you. If you want…

Q: How does the Mineral Family- Halides is used in everyday life and in Engineering activities

A: Answer - Mineral Family- Halides - Halide mineral, any of a group of naturally occurring inorganic…

Q: Describe the formation of N-type semiconductor.

A: Kindly get the answer given below.

Q: Silicones are classified as O a. Elastomers O b. Cast iron O c. Thermoplastics O d. Ceramics

A: Silicones is synthetic elastomer that show viscosity and elasticity.

Q: What is vulcanization of rubber and why it is useful to the construction industry.

A: Introduction :  Rubber is a natural polymer and possesses elastic properties .It is also termed as…

Q: what is The

A: Nanomaterials are chemical substances having dimension of 1-100 nm. They are by-products of…

Q: Which of the following materials is most suitable for the manufact thermoplastic pipe? Briefly tell…

A: From the above three materials only one material is most suitable for the manufacture of…

Q: (b) Shown below are two schematic band diagrams for silicon. Answer the following questions: (i) For…

A: A doped semiconductor is the one in which certain impurities are added to increase the conducting…

Q: Why polycrystalline form of a material is stable than single crystalline form?

A: All matter can be classified as solid, liquid, and gases mainly. In these physical states of matter,…

Q: Identify materials that followed these properties at room temperature. • highest fracture toughness:…

A: Covalent bond is formed by sharing of electrons.

Q: Polycarbonate is sometimes used for protective helmets, such as motorcycle helmets. However, it is…

A: Polycarbonates are high-performance tough, transparent, amorphous thermoplastic polymer that…

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…

Q: Why materials with a high melting point have a high modulus of elasticity and low thermal expansion?

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