Describe the principle controlling each of the following processes :(i) Zone refining of metals(ii) Electrolytic refining of metals

Q: this is an electrochemistry question

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

Q: how many grams is 47.1% of 101.96g?  What is the formula

A: percentage mass = ( mass / total mass ) x 100   

Q: The most extensively used organic compound in the chemical industry is ethene (C,H4). The two equati...

A:

Q: (a) Under what condition will the enthalpy change of aprocess equal the amount of heat transferred i...

A:

Q: The stronger the intermolecular forces in a liquie O a. the higher the boiling point O b. Boiling po...

A: Here, is the solution for question 3, as the previous question is not visible completely. A liquid h...

Q: 4. Use the van der Waals parameters for hydrogen sulfide a/(atm dm6 mol-2) = 4.484 and b/(10-2 dm3 m...

A: We need critical temperature for the plot:

Q: Write the nuclear equation for the fusion of H-3 with H-1 to formHe-4.

A: In nuclear equation mass number and atomic number of reactants and products are equal.  

Q: A sample of 70.5 mg of potassium phosphate is added to 15.0 mL of 0.050 M silver nitrate, resulting ...

A: The molecular equation for the reaction between potassium phosphate and silver nitrate is to be writ...

Q: What amino acid is obtained from the reductive amination of the following metabolic intermediates in...

A: In the reductive amination, carbonyl group, C=O, present in amino acid is converted to amine group. ...

Q: The decomposition of Ca1OH221s2 into CaO(s) and H2O1g2at constant pressure requires the addition of ...

A: Enthalpy, H, is a state function which describes the amount of heat, qp, at constant pressure of a s...

Q: An experiment called the Stern–Gerlach experiment helpedestablish the existence of electron spin. In...

A:

Q: Lavoisier developed a new theory of combustion that over-turned the phlogiston theory. What measurem...

A: Lavoisier developed a new theory of combustion and disproved the phlogiston theory. Lavoisier explai...

Q: . When two compounds, A and B, are mixed together, they form compound C, by a reaction that's not we...

A:

Q: Draw a structural formula for each amine and amine derivative. Q.) tert-Butylamine

A:

Q: A chemist prepares a solution of aluminum sulfite (Al, (SO3). ) by measuring out 81.0 µmol of alumin...

A: Mol/L or molarity is the concentration unit of solution which is defined as no of mole of solute pre...

Q: Which of the following ethers can be formed in good yield by condensation of thecorresponding alcoho...

A: The mechanism of acid catalyzed dehydration of -OH is:  

Q: What is the volume (in cm3) of a 36.7 g piece of metal with a density of 6.95 g/cm3?

A: Given : Mass of metal = 36.7 g density of metal = 6.95 g/cm3   

Q: How would you adjust the volumeof the container in orderto maximize product yield in each of the fol...

A:

Q: A 26.0-oz container of salt costs $0.89. (Conversions: 6 teaspoons = 1 ounce; 16 ounces = 1 pound.) ...

A: In the given case total amount of salt is given along with its cost. By using proper unit conversion...

Q: The solubility of acetanilide in hot water is 5.5 g/100 mL at 100 °C and its solubility in cold wate...

A:

Q: What are the collectors used in froth floatation process? Name a substance that can be used as such.

A: Froth flotation is a process for selectively separating hydrophobic materials from hydrophilic. Coll...

Q: Draw the monochlorination products formed when attached compound is heated with Cl2. Include the ste...

A: Monochlorination reaction is a reaction in which only 1 H attached to the carbon from the compound i...

Q: Without referring to Table 6.2, predict the number of subshells in the fourth shell, that is, for n ...

A: The n= 4 designates the principal quantum number. The n gives us the number of the shell in which el...

Q: Group the following elements according to similar properties: As, I, Ne, F, Mg, K, Ca, Ba, Li, He, N...

A:    

Q: 2)electron dot formula of flourine 3)electron dot formula of oxygen 4)electron dot formula of alumin...

A: In electron dot formula valance electrons of that particular element are represented by dots and are...

Q: Which ions remain in solution after PbI2 precipitation is complete?

A:

Q: Propose a synthesis of 1-hexanamine from the following. Q.) A bromoalkane of five carbon atoms

A: Synthesis of 1-hexanamine from a bromoalkan of 5 carbons can be done through below steps. 1) Take 1-...

Q: What is spent lye in soap manufacturing?

A:

Q: Assume that attached starting materials can be converted to an epoxide by this reaction. Draw the pr...

A: The given starting material which has to be converted to an epoxide is as follows,

Q: How to synthesize the following alcohols from the appropriate alkenes

A:

Q: Colculate the pH of the 0.30 M NH3, 0.36 M NHyCI buffor System (pka = 9,25). whot is the pH af ter t...

A:

Q: A buffer is made with sodium acetate (CH3COONa)and acetic acid (CH3COOH); the Ka for acetic acid is ...

A: Since the pH of an acidic buffer is given by the Henderson-Hasselbalch equation as pH = pKa + log{ [...

Q: . Calculate AGan and K for each reaction. a. The reaction of Cr"(aq) with Cr0,"(aq) in acid solution...

A: The cell potential for the reaction, in which Cr2+ and Cr2O72- undergoes oxidation and reduction res...

Q: A compound X undergoes two simultaneous first-order reactions as follows: The ratio of ky/k, at 40°C...

A:

Q: A medical doctor gives the order to administer dopamine at a rate of 3.0 mcg/kg⋅min (mcg is the abbr...

A:

Q: 1. 50.0 g of water are added to a calorimeter at 22.35°C. An additional 50.0 g of water are heated t...

A:

Q: The solubility product constant for magnesium hydroxide, Mg(OH)2, is 3.0 x 10-11. Calculate the mola...

A: Using the given value for solubility product constant, the molar solubility of magnesium hydroxide, ...

Q: . Figure 8–59 illustrates an H,O molecule. The O-H bond length is 0.096 nm and the H- 0-H bonds make...

A:

Q: sea water is analyzed and found to contain 2.25ng of gold for each 1.00l of sea water. how many gram...

A: Given: 2.25 ng of gold for each 1.00 L of sea water. Volume of sea water = 1.00 m3

Q: O3(g)→O2(g)+O(g) Using the results of the Arrhenius analysis (Ea=93.1kJ/molEa=93.1kJ/mol and A=4.36×...

A: All the data is given in question  Formula to be used is  K=Ae-EaRT A= pre-exponential factor Ea= ac...

Q: Chemistry Question

A:

Q: How many 1H NMR signals does attached natural product exhibit?

A: Given:

Q: The half life of a specific radionuclide is 8 days. How much of an 80mg sample will be left after 24...

A: There are two methods to solve it : Method (1): The half life is the time in which any compound is d...

Q: What is the molar concentration of K+ ions in a 0.015 M solutionof potassium carbonate?

A:  

Q: Predict Major Products of Sulfuric Acid Catalyzed Dehydration a) hexan-1-ol b) hexan-2-ol c) pentan-...

A: Sulfuric Acid Catalyzed Dehydration of alcohol gives alkenes as the final product of the reaction. S...

Coordination Chemistry

It is a part of chemistry, in which the study of compounds that have central atoms surrounded by molecules or ions, known as ligand, is known as coordination chemistry.