Complete and balance the following oxidation-reduction reactions, which give the highest possible oxidation state for the oxidized atoms. (a) K(s) + H2 O(l) ⟶ (b) Ba(s) + HBr(aq) ⟶ (c) Sn(s) + I2(s) ⟶

Q: 1. A sample containing magnetite, Fe;O4, was analyzed by dissolving a 1.5419-g sample in…

A: Amount of Ore obtained Fe=0.8525g Reaction involved  Fe3O4 + 8HCl ----------   Fe+2+2Fe+3 4Fe3O4  +…

Q: In the preparation of Rochelle salt (MW = 282.83 g/mol), 6.6 grams of monohydrated Sodium carbonate…

A:

Q: A sample of an iron ore is dissolved in acid, and the iron is converted to Fe2+. The sample is then…

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: The US Environmental Protection Agency (EPA) places limits on the quantities of toxic substances…

A:

Q: When an aqueous solution of Na3PO4 is added to an aqueous solution of Cd(NO3)2, precipitate forms.…

A: Spectator ions are the ions that exists as product and reactant in a reaction.

Q: the give and sodium chloride, and then write the net ionic equation. Show states for all reactants…

A: 5. Hess's law is constant heat of summation and this law states that total enthalpy change during…

Q: What is the net ionic equation? Please also write the state of matter (aq) or (s)

A: The net ionic equation is needed to be provided.

Q: When the following skeletal equation is balanced under basic conditions, what are the coefficients…

A: In the given chemical equation, fluoride ion gets oxidized to fluorine and chlorine gets reduced to…

Q: In the preparation of Rochelle salt (MW = 282.83 g/mol), 6.3 grams of monohydrated Sodium carbonate…

A: Monohydrate sodium carbonate (CH2Na2O4) = 6.3 g  Potassium bitartrate (C4H5KO6) = 20 g  Rochelle…

Q: 2) Hydrogen peroxide (H2O2) reacts with the permanganate ion (MnO4) in acidic solution according to…

A: a.

Q: Write the balanced NET ionic equation for the reaction when Pb(NO₃)₂ and KI are mixed in aqueous…

A: The reactants given are  1) Pb(NO3)2 (aq) 2) KI (aq) The reactant will react and undergo double…

Q: When AgNO3 (aq) reacts with K3PO4 (aq), what will be the chemical formula of the precipitate?

A: Given :- AgNO3(aq) + K3PO4(aq) →  To determine :- The chemical formula of precipitate formed in…

Q: A sample of an iron ore is dissolved in acid, and the iron is converted to Fe2+. The sample is then…

A: (a) Given, volume of MnO4- = 47.20 mL Molarity = 0.00240 mol/L So, Number of moles of…

Q: When the following skeletal equation is balanced under basic conditions, what are the coefficients…

A:

Q: Write the balanced NET ionic equation for the reaction when AgC₂H₃O₂ and Ni(ClO₄)₂ are mixed in…

A: Balanced molecular reaction is given by,

Q: Suppose 7.00 g of AGNO3 is added to a solution which contains an excess of dissolved KBr. If 7.32g…

A:

Q: Complete the balanced chemical equation for the following reaction between a weak base and a strong…

A: The Chemical reaction follows the law of conservation of mass. According to the law of conservation…

Q: 7. The major component of Gasoline is Octane (C,H,9) which is mixed with oxygen in the cylinders of…

A: when compound is burned with help of oxygen and form carbon dioxide and water and amount of energy.

Q: 6NH2OH + 2Bi2Bi(OH)3 + 3N2H4 In the above reaction, what is the oxidation state change of…

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Q: The mass percent of Cl in a seawater sample is determined by titrating 25.00 mL of seawater with…

A: Number of moles of AgNO3 required , n = Molarity x volume in L…

Q: To determine the amount of iron in a dietary supplement, a random sample of 15 tablets weighing a…

A: Given that  Mass of Fe2O3 = 0.355g  Molar mass of Fe2O3 = 159.69 kj/mol

Q: Give the net ionic equation for the reaction (if any) that occurs when aqueous solutions of K2S and…

A: The reaction is  K2S(aq) + Fe(NO3)2 (aq)  --------> FeS (s) + 2KNO3 (aq) hence the complete ionic…

Q: Balance the following equation by filling the gaps with appropriate numbers. HCI HgCl, H2 Hg

A: Balanced chemical equation In the balanced chemical equation , number of different atoms on both…

Q: Balance the following equation and charges, Na + H2O--> Na^+ + H2 + OH^-

A: Given: Reaction of sodium with water  To find: Balance it and balance the charges as well Solution:…

Q: What volume of 0.0521 M Ba(OH)2is required to neutralize exactly 14.20 mL of 0.141 MH3PO4?…

A: n-factor of barium hydroxide is 2 and that of phosphoric acid is 3.

Q: Write the balanced NET ionic equation for the reaction when AgC₂H₃O₂ and Ni(ClO₄)₂ are mixed in…

A: Solubility of a compound is defined as the minimum amount  of solute that can be dissolved in a…

Q: Sodium metal and chlorine gas can be produced by the electrolysis of molten  Sodium chloride as…

A: The reaction taking place is given as => 2 NaCl (l) --------> 2 Na (l) + Cl2 (g) Given : Mass…

Q: You have an aqueous solution containing one or more of the following anions CO32*, CI', r and SO42.…

A: Here, the ions present are: CO32-, Cl-, I- and SO42-. To the above ions, Ba(NO3)2 is added, a…

Q: The Ca in a 200.0-mL sample of natural water was determined by precipitating the cation as CaC,O4…

A: Mass of empty crucible ( A )= 26.6002 g  Mass of crucible + CaO ( B) = 26.7134 g    Mass of CaO =  B…

Q: When aqueous FeCL3 is combined with 100.00 mL of  a base solution containing Ba(OH)2, 0.567g of…

A:

Q: How many grams of pure Na2CO3 must be weighed and dissolved in a solution, if you are to prepare a…

A: Given-> Normality of HCl = 0.1478 N Volume of HCl = 61.75 ml Molecular weight of Na2CO3 = 106…

Q: What is the oxidation state of Co in: Na4[Co(CN),] ?

A: Oxidation state of Co in Na4[Co(CN)6]

Q: A solution of sodium hydroxide is standardized against potassium hydrogen phthalate (molecular mass…

A: Given, Mass of KHP =0.7840 g Initial reading of burette=0.8400 mL Final reading of burette = 39.20…

Q: s) 0.250 g of HI is dissolved in 300. mL of a 0.00520 M solution of Ca(OH)2. (Assume this does not…

A: Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: 3. Which atoms in the following reaction undergo changes in oxidation state? oxidized and which one…

A:

Q: Excess Na2SO4(aq) is added to a 4.41×102 mL sample of industrial waste containing Ba2+ ions. If 55.5…

A: Molarity is a term used for concentration which shows the moles of solute dissolved per liters of…

Q: (a) How many coulombs are required to plate a layer of chromium metal 0.25 mm thick on an auto…

A: Given area = 0.32 m2 density = 7.2 g/cm3 atomic weight = 52 g/mol thickness = 0.25 mm

Q: Complete and balance the following reaction, then give the product side of the balanced equation.…

A: Cu + ZnSO4 → Zn + CuSO4

Q: 0.9545 g of calcium nitrate salt, Ca (NO3) 2, is weighed, dissolved in concentrated HCl solution and…

A:

Q: Calcium cyclamate Ca(C6H11NHSO3)2 is an artificial sweetener used in many countries around the world…

A: The given compound is Calcium cyclamate Ca (C6H11NHSO3)2 To find: The balanced equation for the…

Q: In the preparation of Rochelle salt (MW = 282.83 g/mol), 6.6 grams of monohydrated Sodium carbonate…

A:

Q: is Kp

A:

Q: What is the concentration of NO3- ions in a solution prepared by dissolving 30.0 g of Ca(NO3)2 in…

A: Given,  mass of Ca(NO3)2 = 30.0 g Volume of solution = 300 ml = 0.3 L Molar mass of Ca(NO3)2 =…

Q: 3) A solution of silver nitrate (AgNO3) and then prepared by dissolving 1.26 g of salt in a…

A: Given: Mass of AgNO3 = 1.26 g Volume of solution = 250 mL Molar mass of AgNO3 = 169.9 g/mol

Q: Write the balanced NET ionic equation for the reaction when Pb(N03)2 and KI are mixed in aqueous…

A: The molecular equation taking place is as follows: Pb(NO3)2(aq)+2KI(aq)→PbI2(s)+2KNO3(aq)

Q: 1. A sample containing magnetite, Fe;O4, was analyzed by dissolving a 1.5419-g sample in…

A: A numerical problem based on isolation of metals, which is to be accomplished.

Q: What is the oxidation state of iron (Fe) in the reactant Fe(s)?   What is the oxidation state of…

A: The oxidation state, sometimes referred to as oxidation number, describes the degree of oxidation…

Q: The accompanying photo shows the reaction between asolution of Cd(NO3)2 and one of Na2S. (a) What is…

A: The ionic equation is the chemical equation in which the ions of the molecules are represented as…

Q: A 1.362 g sample of an iron ore that contained FezOawas dissolved in acid and all of the iron was…

A: