How will you prepare a 0.05 L buffer solution (pH = 11.00) from 0.02 L, 0.2 M NaHCO3 and bottle of sodium hydroxide (MW = 40.0 g/mol)?

Q: What is the numerical value of Keq for the following reaction: 3+ 2+ 3+ TI" + 2Fe“ s TI' + 2Fe…

A: Given,

Q: B. 0.65 g of As present in 280 mL of sample, what is the concentration of As in parts per thousand…

A: Given: The mass of 'As' (solute) is 0.65 g The volume of the sample is 280 mL

Q: Written explanation

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Q: 1. Molecular : Pb(NO,)»(aq) + KI(aq) KNO:(aq) + PbI;(s) Detailed ionic Net ionic 2. Molecular :…

A: Balanced molecular equation: balance molecular equation can be define as the reaction in which…

Q: if ) Hतर TS ववेवेटव कठ 1. 00 M नhe घृपांकिरतपका ललां् fdgo , जा which disrecton witt the equitti 2…

A: We can solve this question by using the concept of Le Chatelier principle dealing with the…

Q: For the following reaction: 2 C2H2(g) + 5 O2(g) → 4 CO2(g) + 2 H2O(l) a. Write the formation…

A: Answer: When formation of 1 mole of a chemical substance takes place form its constituent elements…

Q: A fixed amount of a gas occupies a volume of 4L and exerts a pressure of 410 kPa on the walls of its…

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Q: In the amino acid shown here, what is the identity of the highlighted unit? H O H3N-C-C- A)…

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Q: Consider the electrolysis of zinc(II) bromide. Determine the product at the cathode and the product…

A: Electrochemistry is branch of chemistry in which we deal with oxidation and reduction reaction…

Q: Suppose 60.0 mL of 0.100 M Pb(NO3)2 is added to 30.0 mL of 0.150 M KI. How many grams of Pbl2 will…

A: The step wise solution for the calcukation of mass of PbI2 formed is -

Q: A solution containing 2.50 mM X (analyte) and 1.20 mM S (standard) gave peak areas of 2509 and 7132…

A: Since you have asked a multiple sub-part question, we will solve first 3 sub-parts for you. For…

Q: Juan subjected a 10 L gas at STP with doubled temperature. What will happen to the final V? a.…

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Q: (b) A mixture of helium, hydrogen and carbon dioxide gases are at a pressure of 1200 torr in a 4 L…

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Q: Determine the product of the reaction considering the conditions given. A. No product will be formed…

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Q: NaOCH, in CH,OH CI high temperature

A: Given data : Substrate: 3° alkyl halide  Reagent: NaOCH3 in CH3OH                 high temperature…

Q: Calculate the standard free-energy change for this reaction at 25 °C. A list of standard reduction…

A: Given-> 2Au3+(aq) + 3Ni(s) <----> 2Au(s) + 3Ni2+(aq) ->Answer may differ slightly…

Q: For the reaction: 2+ 2Ag + Zn - 2Ag + Zn E° = 1.56 V. cell What is the corresponding value of AG°?.…

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Q: There are three different ways in which salting' can take place. What is salting and why, though it…

A: Salting : Salting is a food preservation technique in which the food is surrounded in salt and left…

Q: In a certain zinc-copper cell, Zn(s) + Cu2*(aq) → Zn2*(aq) + Cu(s) the ion concentrations are [Cu2+]…

A: Goven Zinc-Copper cell is Zn(s) + Cu2+(aq) ---> Zn2+(aq) + Cu(s)  Concentration of Cu2+ , [Cu2+]…

Q: Noke Lew has a different unknown salt containing one of the nine anions used in this lab. She tries…

A: The three classification reactions for the analysis of anions are: 1. Formation of insoluble barium…

Q: 15. The first four ionization energies of an element are approximately 579 kJ/mol, 198ð kJ/mol, 2963…

A: Answer: Minimum energy required to remove the most loosely bounded electron from an isolated gaseous…

Q: Problem 1. Draw and name the products by hybrid orbitals from the below reaction. HCI

A: The product is formed by the addition of HCl to the double bond. Carbocation will be formed such…

Q: ОН OH CN H. Meo MeO + NaCN י

A: Step 1 : conversion of secondary alcohols using pcc. Step 2 : Acid catalyzed bromination of…

Q: Which of the following is not a method used to protect iron objects from corrosion? Apply a coating…

A: Corrosion is the process by which certain materials, metals and non-metals, deteriorate as a result…

Q: Identify the concept that best fits each of the following reactions. + OH (ag) (aq) 1. 2H,O H,O* (6)…

A: Since you have posted question with multiple sub-parts, as per guidelines we will solve only the…

Q: Be sure to answer all parts. For the equilibrium -8 2 H,S(g) =2 H2(g) + S2(g) K, =9.0 x 10 at 700°C…

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Q: A solution containing vanadium (chemical symbol V) in an unknown oxidation state was electrolyzed…

A: Given: Time =25.1 min Current passed = 1.23 A Mass of V deposited on cathode = 0.326 g Molar mass of…

Q: Determine if the solution is neutral, acidic, or basic. Try solving for the conc other ion first…

A: Here multiple question given

Q: if there is 0.00198g of CaCO3 in 5ml of water, what is the number of grams present in 106ml?

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Q: The cell potential of the following cell is determined using an unspecified concentration of acid.…

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Q: Arrange the following acids in the increasing order of their solubility in water: p-ClC6H4COOH,…

A: Solubility is the maximum amount of solute which can be dissolved in specific amount of solvent .…

Q: HETD 20°C JU 45 40 35

A: In this question we have to determine the exact volume of the liquid placed in the apparatus by…

Q: The cell potential of the following cell is determined using an unspecified concentration of acid.…

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Q: stion 23 of 24 the iodide ion Which form of iodine-131 is taken up by the thyroid Select gland, and…

A: Atomic structure of iodine consist of a nucleus in which the protons and neutrons are present. And…

Q: Question 13 In the cyclo addition reaction below, what do you predict the effect of replacing…

A: Diene and dienophile reacts and produces the adduct in Diels Alder reaction. Electron donating…

Q: 1. Sphalerite is a zinc sulfide (ZnS) mineral and an important commercial source of zinc metal. The…

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Q: What is common in the structures of carboxylic acids?

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Q: a volume of bore water with a pH of 8.06 was blended with an equal volume of another water sample…

A: pH = 8.06 for sample -1 pH = 6.00 for sample -2

Q: जोण्ट फेह mएकेवसाडे क 0ने भोषलीली हबलेon०- BT2 个

A: Concept:  Electrophilic substitution reaction:  The bromination of benzene is an example of an…

Q: A sample of methacrylate (CH2-CHCOOCH3) is polymerized, the resulting polymer has a degree of…

A: We have to predict structure of repeating unit and polymer mass.

Q: Carbon monoxide (CO) can be determined at trace levels using IR absorption spectrophotometry. Using…

A: The following question can be answered from the knowledge of Beer Lambert's equation, which is- A= e…

Q: Suppose 30.0 mL of 0.100 M Pb(NO3)2 is added to 60.0 mL of 0.150 M KI. How many grams of Pbl2 will…

A:

Q: Calculate the free energy change for the following reaction at 25°C. Is the reaction spontaneous at…

A: Given: ΔHrxn = −1269.8 kJ ΔSrxn=−364.6 J/K T = 25°C = 298 K

Q: Write the reaction quotient, Qc, and the equilibrium constant, Kc, for 2Na(s) + 2H2O(l) ⥫⥬ 2NaOH(aq)…

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Q: The following reactions are spontaneous as written. Mg(s) + Fe2+ →Mg2+ + Fe(s) Pb(s) + Cu2+ → Pb2+ +…

A: Given,

Q: PAC name to each of the following ethers

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Q: From the following AH and AS values, predict whether the reaction would be spontaneous. If not, at…

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Q: How many grams of Ca metal are produced by the electrolysis of molten CaBr2 using a current of 30.0…

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Q: One type of battery that has been investigated for use in electric vehicles is the zinc/air cell.…

A: In a spontaneous electrochemical cell , the half cell with less Standard reduction potential (SRP)…

Q: same beaker) You have to get percipitates of each.     1. Tl+ and Zn2+   2. Ba2+ and Cu2+…

A: We can separate these ions by means of precipitation technique. Initially one precipitation agent…

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.