100 mL of 1.4 M benzoic acid (C₂H5OOH, Ka = 4x10-4) is titrated with 1 M NaOH. What is the pH after 40 mL of NaOH has been added?

Q: The value of Kc for the reaction below is 8.72  at 487  K. 2NO2​(g) ---->N2​O4​(g)…

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Q: Draw the missing products and/or reagents in the following multistep synthesis. Ignore any inorganic…

A: Synthesis with missing reagents and products.

Q: a 1. If for the reaction aX+by-products, the rate law is determined to be r= [X][°, then the order…

A: Rate = r = k [X]1 [Y]0

Q: Initial Rates Question: Note dm³ = L Nitrogen(II)oxide reacts with hydrogen as shown by the…

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Q: 1.  The percent yield of this reaction is 69.0%. 2Al(s)+3 F2(g)⟶2AlF3(s)  Determine the mass, in…

A: 2Al(s) + 3F2(g) ⟶ 2AlF3(s) Percent yield = 69.0 %mass of aluminium (Al) = 126.0 gmass of product…

Q: Structure 3: Draw the structure with a positively charged carbon. Incorrect H₂C H₂C 01 CH₂ 0- CH₂…

A: Resonance structures are the collection of Lewis structures that represent the delocalisation of…

Q: 12. In an experiment, 5.260 g of potassium hydroxide is mixed with a dilute solution of hydrochloric…

A: Mass of KOH = 5.260 gSpecific Heat capacity = 4.184 J/g°CInitial temperature (T1) = 24.5 °CFinal…

Q: Draw the major product of each step in this reaction sequence. Ignore inorganic byproducts. HO تاد…

A: (CH3CH2)3SiCl, TEA  ----> Protects OHCH3CH2MgBr -----> Adds to ketone to produce alcoholLiF…

Q: A solution initially contains 0.350 mol/L of A and 0.750 mol/L of B. A reaction occurs according to…

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Q: 3) a )Write out the expression for the K for the following reaction and determine the value using…

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Q: CI What is the product of the following reaction? NH₂ Br CI CI- A.(1) NaNO₂, HCl; (2) H₂ B.1) NaNO₂,…

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Q: + Pd(OAc)2, E13N, PPh3

A: The reaction you mentioned involves the use of Pd(OAc)2 (palladium acetate), Et3N (triethylamine),…

Q: .100 moles of HCI is added to a 1L mixture of .100M HC3H5O2 and 0.180M KC3H5O₂. Assuming no volume…

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Q: 0: H Draw the 4 possible products (Make sure none are enantiomers of eachother!) Use dashes and…

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Q: what is the theoretical yield of triphenylmethyl methyl ether (2 decimal places) please explain in…

A: Theoretical yield is the expected yield of the reaction if the percentage yield is 100%, that is all…

Q: 9. Barium metal crystallizes in a bcc lattice. The unit cell edge length is 5.02 x 108 cm. What is…

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Q: According to the following reaction, how many grams of hydrogen peroxide (H₂ O₂) are necessary to…

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Q: A 6.00 mol sample of solid A was placed in a sealed 1.00 L container and allowed to decompose into…

A: Initial moles of sample A are 6.00 molesVolume is 1.00 LEquilibrium concentration of B = 1.40 M

Q: Draw the major product of this reaction. Ignore inorganic byproducts. Assume that the water side…

A: In this reaction, when ketone react with hydrazene we get hydrazone as the major product.This…

Q: ra HO 2 3 OH

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Q: A chemist adds 450.0 ml. of a 0.51M barium acetate (Ba(C₂H,0₂),) solution to a reaction flask.…

A: Definition of one molar or M solution is that one mole of solute is being dissolved in 1 L of the…

Q: IZ Br₂ / FeBr 3

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Q: The thermite reaction is a very exothermic reaction in the form: 2Al(s) + Fe₂O3(g) 2Fe(s) + Al2O3(s)…

A: 2Al(s) + Fe2O3(g) ----> 2Fe(s) + Al2O3(s)Energy required= 50 kJWeight of Al = 3.18 gm

Q: Provide the correct systematic name for the compound shown here. Y

A: Rules for IUPAC naming of ether: 1. The alkyl group with shorter carbon chain is considered as…

Q: Which of the following is a correct expression describing a Lineweaver-Burke plot for substrate…

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Q: What is the final pH when a buffer contains 1.00 mol of CH3NH₂ and 2.00 mol of CH3NH. 0.750 mol of…

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Q: Part B Consin, to give us uic TaiC ON VUCICOCHOT. rate = If the rate constant for this reaction at…

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Q: 1.000 g sample of a compound that contains only C, H, and O that undergoes combustion to produce…

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Q: What is the pH of a solution that is 0.0530 M in NaClO at 25 °C? The Ka for HClO is 4.0×10−8

A: Given thatConcentration of NaClO = [ClO–] = 0.0530 MKa for HClO = 4.0×10−8Kb for ClO– =

Q: 3/3(aq) b) Pb(NO₂)2 (20) + Li₂SO 21:30 2LINO3(aq) 2 (aq) + PbSO4 (5)

A: Given chemical reactionsEquilibrium law states that rate of chemical reaction is directly…

Q: 2 سے درج 2 دسر -7 )

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Q: The ethyl mercaptan (C2H5SH, 62.13 g/mol) concentration in a mixture was determined by shaking a…

A: 1.534 g sample50.0 mL of 0.01293 M I215.72 mL of 0.01425 M Na2S2O3

Q: 1. The presence of a catalyst is thought to increase the rate of a reaction by a. changing the…

A: The chemical kinetics deals with the study of the reaction that how fast or slow a chemical reaction…

Q: Classify each chemical reaction: Reaction Zn (s) + FeSO₂ (aq) → ZnSO₂ (aq) + Fe(s) CuSO₂ (aq) +…

A: 1. Answer :----Zn(s) + FeSO4 (aq) → ZnSO4 (aq) + Fe(s)Type: Single substitutionHere, in this…

Q: Draw the structure of cis 1,3 dimethyl cyclohexane and trans 1,3 dimethyl cyclohexane and explain…

A: 1. Chair conformation 2. E2 Elimination reaction

Q: 1. For an exothermic reaction, what does the activation energy of the reverse reaction equal? the…

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Q: Predict which of the following two compounds will undergo an E2 reaction more rapidly: 4 O The cis…

A: In E2 elimination reaction, C-H bond and C-Cl bond must be anti periplanar with respect to each…

Q: 2. A student mixed 6.0 mL of 0.0100 M H2SO3. 95.0 mL distilled water, and 9.0 mL of 0.01500 M KIO3.…

A: 6 ml of 0.0100M H2SO3moles of [SO32-] =molarity volume= 0.0100 6.0 10-3 (molarity = 0.0100 , vol =…

Q: A 25.00 mt, aliquot of a 1.000-L unknown water sample was bitrated with 0.01725 MEDTA and required…

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Q: HO sequence own below. Use a dash or wedge bond to indicate stereochemistry of substituents on…

A: Thiols are considered to be good nucleophiles as they contain sulfur atoms (in -SH functional…

Q: Balance redox equation N ²² (₂₂) + Cl¯ (0₂) → Ni (s) + (10¯ (0₂₂) in basic solution

A: The given redox reaction is to be balance in basic medium.

Q: What are the number of stereogenic centers in each and what are the maximum number of stereoisomers…

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Q: Please show stereochemistry and major products.

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Q: what is the mmol of triphenylmethanol at 0.35 g?

A: Given: Mass of triphenylmethanol = 0.35 gRequired: moles of triphenylmethanol = ?

Q: Can you please tell me if these are primary secondary or tertiary (thiols, alcohols, or amines).…

A: Alcohol, amine, thiols can be categorised as primary, secondary, tertiary etc. To identify the type,…

Q: 1 Unambiguously identify the structures of the following major organic product(s), starting…

A: 1,2-Diol or excess alcohol reacts with carbonyl compound and forms an acetal.

Q: Which reaction will form more of the meta product?

A: The methyl group (-CH3) is electron donating group that donates via +I inductive effect as well as…

Q: 160) Which is the major product of the following reaction? + CHO

A: Diels-Alder reaction: It is a [4+2] cycloaddition reaction between a diene and dienophile to form a…

Q: T NH₂ + DMAP reg IZ

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Q: Which is faster in Sn1 reaction?

A: In SN1 reaction, at first a carbocation is formed when the leaving group departs. Then a nucleophile…

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.