If 5.585 g of Fe31 were reduced in the reaction Fe31 1 V21 S Fe21 1 V31, how many coulombs of charge must have been transferred from V21 to Fe31?

Q: What is the role of deuterium?

A: The role of deuterium has to be given.

Q: Write the Nernst equation for the reduction of white phosphorus to phosphine gas for the following…

A: Nernst Equation determines the electrode potential of the chemical reaction. Nernst equation for the…

Q: Why are sodium and lithium typically analyzed by atomic emission while transition metals such as…

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Q: Explain the Biological Aspects of Iron(III) and Copper(II) Compound's.

A: Metals such as iron, zinc and copper all play an important roles in many of the enzymatic reactions…

Q: Why alkalis like sodium hydroxide and potassium hydroxide should not be leftexposed to air?

A: Alkalis like sodium hydroxide and potassium hydroxide should not be exposed to air because both of…

Q: Which metal group has the highest chemisorption activity? 6 07 09

A: To determine the highest chemisorption activity of groups given.

Q: What is the activity coefficient of Hg22+ in a solution of 3.3 mM Hg2(NO3)2? O 0.67 O 0.65 O 0.63 O…

A: Given, Concentration of Hg2(NO3)2 is 3.3 mM activity of Hg22+ =  ?

Q: when nh4+ (pka=9.2) was used, the reaction did not proceed and no product was formed. given that the…

A: Aromatic compounds show nitration (NO2 addition) when treated with HNO3 and H2SO4 at a suitable…

Q: What is the free energy change (kJ/mol) for the dissolution of CdS at 25.00°C if it has a K sp of…

A: ∆G°= -RTlnKeq

Q: Write a short note on biological relevance of sodium and calcium

A: The biological relevance of SODIUM: Sodium is found mainly in blood plasma and in the fluid that…

Q: How does hydrocholoric acid and sodium chloride isolate barium-137 from cesium source?

A: Interpretation -  To tell about how does hydrocholoric acid and sodium chloride isolate barium-137…

Q: What is the allowable contamination of Aluminium?

A: Given: What is the allowable contamination of Aluminium?     To find: find the allowable…

Q: In cation exchange reaction, how many grams of K+ will replace 2 meq of Ca2+ if K+ has a atomic…

A: One mole is the atomic mass or molecular weight per liter of each cation or anion.  K+ = 39 g/mol…

Q: what is the formula for determining the chemical formula created when gallium (31) bonds with sulfur…

A: Gallium(III) sulfide, Ga2S3, is a compound of sulphura gallium, that is a semiconductor that has…

Q: Which of the following element won’t release hydrogen gas when coupled with SHE? [Reduction…

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Q: Which of these would displace Fe in the substance FeSO, (ag) ? O a. Cu*2 b. Na +1 O o Cus) O d.…

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Q: Which one is the electron configuration of Ni atom? Which one is the electron configuration of Fe3+…

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Q: How will you recognize that a single replacement reaction has occured when you comine: (a) an…

A: Single Displacement reaction:    It is also known as exchange reaction. The chemical reaction in…

Q: What mass of magnesium forms when 100,000 A is passed through a MgCl2 melt for 1.00 h if the yield…

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Q: What is the pH of a solution containing 0.327 mol L-1 of HCl and 1.041 mol L-1 of a weak acid with…

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Q: Zinc is more active than cobalt and iron but less active than aluminum. Cobalt is more active than…

A: The correct option is provided in the next step:

Q: Write the equation for the reaction of Pb2 with CrO42-.

A: The reaction between Pb+2 and CrO4-2 is a precipitation reaction.

Q: How many grams of silver metal are produced from Ag⁺(aq) in 2.00 h with a current of 3.50 A? (F =…

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Q: What is the charge balance if, in addition to Mg2 and Br, MgBr is formed?

A: In a chemical reaction, the solution should be neutral.It means the amount of positive charges and…

Q: 5. What would you predict about the solubilities of beryllium salts and radium salts relative to the…

A: If we compare the solubility of beryllium salts to the other Group IIA metal salts, we will notice…

Q: Lead poisoning in children used to be treated with intravenous injections of EDTA. If the…

A: The molar mass of unknown compound is 122.3417 g/mole.Given that,Concentration of EDTA in the blood…

Q: A technician is setting up a laboratory to standardise ~0.0200 mol dm–3 KMnO4. What mass of Mohr’s…

A: Given: The molarity of KMnO4 is 0.0200 mol dm-3 The volume of KMnO4 is 20.0 cm3 The volume of Mohr's…

Q: For (c), why doesn't SO42- oxidize Na+ when the reduction potential of Na+ (-2.71V) is lower than…

A: If electrons get donated by any species/neutral and that species gets converted into +ve ion then…

Q: Calculate the activity of Al3+ in a solution that is .0547M in Al2(SO4)3.

A: A compound is composed of cations and anions is known as an ionic compound. It can be dissociated…

Q: Why is it important to exclude water when preparing  Bis(Pyridine) Iodine (I) Nitrate complex.

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Q: 2. Aluminium sulphate (alum) is added to water with a pH of 7.2. Based on the reaction below,…

A: Dose of the alum = 30 mg/mL = 0.030 g/L The concentration of alum solution was prepared in Al+3…

Q: 22. Given the reaction: N2 (g) + O2 (g) 2NO (g) Ke = 10.1 at 2000°C If the reaction starts with…

A: At equilibrium for the given reaction  Kc = [NO]2 / [N2][O2] Kc = 10.1 at 2000°C

Q: Given the following reactions: 3C = D K= 8.33 x 104 D= 3A + 3B K= 5.33 x 102 Calculate the value of…

A: Answer: Equilibrium constant is the ratio of active masses of products and active masses of…

Q: Explain the importance and applications ofshape memory alloys

A: Shape memory alloys are those alloys which can be deformed on cooling but return back into their…

Q: How many grams of silver metal are produced from Ag⁺(aq) in 1.25 h with a current of 3.50 A? (F =…

A: Interpretation-  To determine the grams of silver metal produced from Ag+ (aq) in 1.25h with a…

Q: Which of the following describes the reaction: 218 Po →°,e+ 218 At 84 ³Po→,e+ 85

A: In above reaction atomic number on product side increase by one while mass number remains unchanged.…

Q: What term most accurately describes the process below? Br + HBr (A hydrogen abstraction B halogen…

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Q: An amount of pore gypsum was calcined at 200°C. After that, 1000 kg of the product was mixed 150 kg…

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Q: Explain the possible final products for the following chemical reactions. I. + AICI3 1. 2. KMNO4

A: In the given reacrion, first of Friedel Crafts Alkylation takes place using haloalkane in presence…

Q: Calculate the ratio of dihydrogen phosphate to hydrogen phosphate in blood at pH 7.4. The Ka is 6.3…

A: Given: To determine the ratio of dihydrogen phosphate to hydrogen phosphate. pH of blood = 7.4. Ka =…

Q: What else is produced when sodium carbonate decomposes? Na2CO3 - Na20+

A: There are different type of chemical Reactions. These are - (1) Combination Reaction - When two or…

Q: 8) Why are some elements, such as Zn or Si, greatly enriched in deep waters of the North Pacific…

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Q: oxidative

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Q: Which of the following is not a chelating agent? Oa ethylenediamine cyanide anion pe porphine…

A: We know that Chelation : bonding of ions and molecules to metal ions. It involves the formation of…

Q: A 0.1017-g sample of KBro, (MM 167.0) was dissolved in dilute HCl and treated with an unmeasured…

A: To calculate the molar concentration of sodium thiosulfate using given volume , we need to calculate…

Q: 9. Write balanced equations for (a)238 U(a, n)'Pu, (b) * N(a, p)0, (c) Fe(a, B)Cu Write bolanged…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: What would be the potential of the couple at 22°C when [Sn4+]=1.00×10-6M and [Sn2+] = 0.89M?

A: The Nernst equation is shown below: Where; Ecell = electrode potential at any condition E0cell =…

Q: what is the chemical formula created when gallium (31) bonds with sulfur (16)

A: The given elements are gallium and sulfur. The atomic number of gallium is 31 and sulfur is 16.

Q: What is the equilibrium constant for the following reaction, provided that the Ksp for Barium…

A: To proceed for such questions manipulate the chemical equilibrium equation easily.