Calculate the pH of 0.02172968275M Formic Acid (Ka at 25C = 1.80x10-4). Show the complete solution

Q: A compound contains 76.47% Cr and 23.53% O. Calculate the empirical formula. Cr= 52.00 g/mole,  O =…

A: Given :-  Percent composition of Cr = 76.47 %  Percent composition of O = 23.53 %  MM of Cr = 52.00…

Q: Given the reaction:     Fe+2 + Cr2O7 -2  → Fe+3 + Cr+3  How many electon/s was/were gained in the…

A: The chemical reaction :  Fe2+ + Cr2O72-   ----> Fe3+ + Cr3+  Electron / electrons gained in the…

Q: 50.0 g H2O at an unknown temperature is mixed with 27.0 g of water at 15.8°C in a coffee-cup…

A: Given data :

Q: A solution is prepared by mixing 25.0 mL of a 0.150 M potassium chloride (KCl) with 75.0 mL of a…

A: In this question we have to tell the molarity of K+ ions in the solution.

Q: Identify the stereochemistry in each of the following compounds as R or S CO2H H,N, N. i) ii) a) i =…

A: Assign priorities to the groups attached to the chiral centre as per CIP rule(Cahn-Ingold-Prelog) If…

Q: Using the table of the weak base below, you have chosen Ethylamine as your weak base in the buffer…

A: Given: Kb of ethylamine = 5.6×10-4

Q: Vhich is the better nucleophile in protic solvent? or O CI-

A: Solvent which gives hydrogen ions in solution called as polar protic solvent whereas solvent which…

Q: 15 Write equilibrium expressions for these reactions. (a) 2H,0,(g) 2H,0(g) + O,g) (b) 2N,0,(g)=…

A: Equilibrium expressions for the given reactions

Q: H2O + CO2→H2CO3; A) Determine the moles of H2O needed to produce 3 moles of H2CO3. B) Determine the…

A: H2O + CO2 → H2CO3  1mol     1mol       1mol  1 mol water on reacting with 1 mol CO2 produces 1 mol…

Q: Consider a Galvanic cell constructed from the following half cells, linked by an external circuit…

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Q: -CH;CHCH;CHCH;CH- The segment represents the polymer named Multiple Choice polypropylene.…

A: The given segment represents the polymer = ?

Q: What factors explain why the density decreases during the fermentation process? You may choose more…

A: To explain the reason for decrease in density during the fermentation process

Q: Give the IUPAC name for the products of the following beta-elimination reaction. Br + NaOCH3 CH;OH…

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Q: Calculate the potential, E, for the following cell at 25°C: Cr| Cr3+ (0.0738 M) || Co2+ (0.825 M) |…

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Q: A reaction must be nonspontaneous at all temperatures when Select one: О а. AH is negative and AS is…

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Q: Question 13 Which of the following reactions of alkenes is anti stereospecific? a) addition of HCI…

A: In this question we have to tell the which reaction of alkene is anti stereospecific.

Q: The following compound is the, enantiomer of 2-chlorobutane. H CI OR O T OS O it is not chiral

A: ->Enantiomer are the compounds having just opposite configuration . ->It a compound has chiral…

Q: Directions: Write the electron configuration for the following element. Electron Configuration…

A: Since you have asked multiparts questions, we will solve the first three sub parts questions for…

Q: Write the methodology of this reaction  Al + CuSO4 | Aluminum + Copper (II) Sulfate

A: methodology of this reaction => There are three steps involved in writing a chemical equation.…

Q: . Consider the following reaction. Predict the major and minor products, write the letters only. Br…

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Q: What is the purpose of the object shown? scraping a solid precipitate out of beakers or reaction…

A: Laboratory appratus used in laboratory while performing experimental work. Various laboratory…

Q: 19 The following reaction was allowed to reach equilib- rium at 25°C. Under each component is its…

A: To calculate the value of equilibrium constant (K)

Q: Given the reaction: Fe+2 + Cr2O7 -2 → Fe+3 + Cr+3 Which is the reducing agent?…

A:

Q: Show how to synthesize the following product as the major product using any reactants/reagents and…

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Q: The following reaction is used to prepare solid ammonium chloride: NH3(g) + HCl(g) → NH4Cl(s) If you…

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Q: A sample of fuming sulfuric acid containing only SOs and sulfuric acid weighs 1.400 grams and…

A: Given: Mass of mixture = 1.400 g. Concentration of NaOH = 0.850 N = 0.850 M…

Q: a. What two quantities must you measure to determine the density of a substance? b. Design and…

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

Q: Determine the net ionic equation for the following chemical reaction: NH4OH (aq) + HCl(aq)…

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Q: Quéstion 8 Find the AH (in kJ) for the reaction below, given the following reactions and subsequent…

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Q: Benzyl chloride is reacted with different nucleophiles (HO-, CH3COO-, PhO-, CH3O-). Arrange them in…

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Q: Describe the hybridization of the atoms involved in the circled bond below.

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Q: Polypropene results from the polymerization of H A. CH-C B. CH-c CH, c. CH-c ĆN D. CH-C E. CH-C…

A: A polymer is a large molecule that is formed by the repetition of small units called a monomer, and…

Q: The equilibrium constant, K, for the following reaction is 1.29x102 at 600 K. CoCi,(9) co(9) +…

A: Representations of equilibrium constant Kc:-             Kc = [CO(g)][Cl2(g)] ÷ [COCl2(g)]

Q: Determine the net ionic equation for the following chemical reaction: MgCl2(aq) +2NaOH(aq)…

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Q: Nomenclature Please provide the correct name for the following structures CH b. OH C. a.

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Q: Provide an IUPAC name for the structure shown. wireframe + labels

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Q: 19 The following reaction was allowed to reach equilib- rium at 25°C. Under each component is its…

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Q: Hydrogen gas is collected over water at 23.0 degrees C. The volume of the wet gas is 4.00L at 737…

A:

Q: If the alkyl halide in each of these reactions was an alkyl chloride instead of the bromide, A. the…

A: Given,  If the alkyl halide in each of these reactions was an alkyl chloride instead of…

Q: Multiple Choice never occur in nature. produce structurally weak materials. contain no peptide…

A: In beta pleated sheets there is the proper organized manner thus making it inelastic  Whereas beta…

Q: Which of the following chemical reaction will not occur? a. AgNO3(aq) + NaCl(aq) ------------>…

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Q: 8 Answer true or false. (a) Water is a good solvent for ionic compounds because water is a polar…

A: Ans. (a) True Water has a high dielectric constant and is polar in nature therefore ionic compounds…

Q: The highly exothermic thermite reaction, in which aluminum reduces iron(III) oxide to elemental…

A: The given balanced thermochemical equation is 2Al(s) + Fe2O3(s) → 2Fe(s) + Al2O3(s), ΔH = -850 KJ…

Q: Draw the structure(s) of the major organic product(s) of the following reaction. 1. Ag20/ aq. NaOH…

A: In this reaction, Ag2o which increase the electrophilicity nature of carbonyl carbon. For work up…

Q: 15. Calculate the AH for the decomposition of one mole af nitroglycerin using the standard bond…

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

Q: Consider a hypothetical acid-base indicator, "HX", ionizes in water according to the equation HX(aq)…

A: HX(aq) <----> H+(aq) + X-(aq)

Q: How long will it take to produce 78 g of Al metal by the reduction of Al* in an electrolytic cell…

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Q: What volume will a 1.0L balloon have if the temperature changes from 0ᵒC to 200ᵒC?

A:

Q: Select which of the following is the least reactive compound in an SN1 reaction. CI CI A B D

A:

Q: Daing spece wil ad a Hcpole or ed nethe

A: The compounds given are,

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.