4. How sizing down to Nano affect material properties?

Q: ny grams of PCI 5 a

A:

Q: Balance and Classification: i put down classification (CA)combination   ____ CuSO4 (s) + ____ H2O…

A: The given reaction is, ____ CuSO4 (s) + ____ H2O (l) → ____ CuSO4 • ____ H2O (s)

Q: e) ВНз + H20 f) MgCl2 +

A: Write the balanced chemical reaction between a) HCL + NaOH b)CH3COOH + H2O

Q: b,PO, wi (aq) (s) (g)

A: Given compound is Rb3PO4 . Chemical name of  Rb3PO4  is Trirubidium phosphate .

Q: One kind of metallic material consists of 82% Pb, 15.0% sb, and 3.0% Sn. a) how many grams of alloy…

A: The given composition of the alloy is: metalpercentagePb82%Sb15.0 %Sn3.0 % It states that if the…

Q: Answer all questions 01. a) In the two bioplastic films, determine which one has the highest tensile…

A: Due to technical error ,unable to provide you the solution. Please resubmit the question once again

Q: Draw the product of each reaction.

A: The product of the each reaction can be drawn as

Q: 1.) PBr3 2.) NaCN 3.) MgBr OH 4.) H*, H20 a) b.) d) ZI

A: Detailed mechanism is given below:

Q: In a few lines, describe the IMMENENT IMPORTANCE of “Green Chemistry" and its importance to Society.

A: Green chemistry: The branch of chemistry which deals with the reduction of the harmful effect of…

Q: List and Define kinds of samples according to size:

A: This is a question from Analytical Chemistry. Sample size means amount of sample taken for analysis.…

Q: H20, CrO3, H2SO4 HO. РСС

A: Alkynes undergo hydration reaction when reacted with HgSO4, H2SO4 , and water. This is an acid…

Q: 2. Research on recent innovations or discoveries in the nanoengineering world. Discuss only the…

A: Some of the recent developments in the field of nanotechnology are: Nano sensors that detect heart…

Q: Differentiate concentrated from diluted solution.

A: A solution is a homogeneous mixture of two or more components in which the particle size is smaller…

Q: A ?? BnO B ?? „NMe2 ?? MeO OMe HO

A: Organic transformations.

Q: es of 25 A diameter, find: a) number of surface atoms Ns. b) number of volume atoms Nv. (or bulk…

A: Given as, Diameter=2.5nm,Radius=1.25nm,volume=43 πr3 =43 ×3.14×1.253 =8.18nm3

Q: What are the storage rules of chemicals.

A: Storage rules of chemicals:      All chemical containers should be labeled fully.      Chemicals…

Q: (c) (i) Ph,NH (ii) Et,NH (sealed tube) CI Ph

A: We have to give the structure of the product as follows in step 2:

Q: Complete this sentence  THe electrical conductivity of a sample will       when the size of the…

A: When a Voltage is applied to the electrode dipped intoan electrolytic solution , ions of the…

Q: Give at least three differences of a bulk vs a fine chemical.

A: The products of the chemical industry can be classified as fine chemicals and bulk chemicals.

Q: SIC1₂ vapor. proofed by coating it with a silicone layer. This is done by exposing the cloth to…

A: Given as, n(CH3)SiCl 2 +2nOH→2nCl- +nH2O+[(CH 3)2SiO] n ​

Q: Porosity is a measure of the void or empty spaces in a material and is a fraction of the volume of…

A: In order to find the density of the salt solution, we have to find the volume of the salt solution…

Q: Can the law of conservation of mass be applied when cooking? In one to two sentences, explain why or…

A: While cooking there occurs some physical change let's say vegetable got soften , in protine some…

Q: (Fe): 56 g /

A: Molarity of Na2Cr2O7 = 0.0213 M Volume of Na2Cr2O7 = 42.96 mL At equivalent point,  Geq. of Fe2+  =…

Q: Porosity is a measure of the void or empty spaces in a material and is a fraction of the volume of…

A: Let us solve the question in a easy and efficient way. Given,  7 pieces of cylindrical beads…

Q: 2- Make a comparison between brittle and ductile materials Brittle Materials Ductile materials

A:

Q: Give an example of nanoparticles found in animals and discuss it briefly.

A: Nanoparticles are minute particles ranging from 1 to 100 nanometers in size. Nanoparticles exhibit…

Q: Differentiate powder from granules? Make it in table form.

A:

Q: make

A: Given statement is true.

Q: 2. There is a need to make many 10mm holes in a rubber hose. It is not hard to punch or drill holes…

A:

Q: is stone a matter? why?

A: Matter: It is a substance that occupies space and has a certain mass. For example, if you consider a…

Q: How can you differentiate between natural and engineered nanoparticles in the environment?

A: The nanoparticles which occur in nature are called Natural Nano particles. These are generally found…

Q: 4. Preservatives that are usually found in cured meats, bacon, ham, corned beef and hot dogs. A.…

A: Concept based on Food preservatives and their uses.

Q: Porosity is a measure of the void or empty spaces in a material and is a fraction of the volume of…

A:

Q: br centra

A: Hybridization is a phenomenon in which hybrid orbitals form from the combining of atomic orbitals.…

Q: sodium is not kept in  a  petrol  b  k oil  c  n hexane d  water

A:

Q: Is it acceptable to recycle the containers of hazardous chemicals? Why or why not? Explain your…

A: Yes , it is  acceptable to recycle the containers of hazardous chemicals. The residue within empty…

Q: When bromoform (d=2.89 g/ml) and water ( d=1 g/ml) are mixed, two layers form. Is the bottom layer…

A: Given: Density of bromoform = 2.89 g/mL. And the density of water = 1 g/mL.

Q: Define the term Variable Composition?

A: The number of atoms or elements and their respective arrangement in a molecule is termed as chemical…

Q: Graphene is a __________? a. metallic nanomaterial b. carbon nanomaterial c. quantum dots d.…

A: Graphene exist as single layer of atoms arranged in two dimensional lattice.

Q: 1. What are the environmental implications of nanotechnology? 2. How can you ascertain the release…

A:

Q: 1. EtLi 2. aq H*

A: The product of the given reaction is

Q: Metal or Nonmetal Explanation: State of Matter b. Metal or Nonmetal Explanation: Luster Metal or…

A: Metal : It is a type of solid substance which is a hard , shiny and very good conductor for heat…

Q: 8. A 2.856-g sample of limestone was analyzed for Fe, Ca, and

A: A 2.856-g sample of limestone was analyzed for Fe, Ca, and Mg.

Q: Heavy metals that are often found in whitening soaps and creams are…. A. cadmium B. mercury C.…

A: The heavy metal refers to any metallic chemical element that has relatively high density and is…

Q: 2 25.8

A: The term "mass per cent" is used to represent a concentration or to describe a component in a…

Q: Ca(OH)2 + AgCI CaCI2 + AgOH

A: In the given question, First of all we see the no. of each atom present in reactant side and product…