The first-order reaction AB has a rate constant of 6.43 x 10-251. How many seconds will it take for 35.2% of A to react? 46.2 s O 64.95 O 6.75 5 4.17 S 16.2 S

Q: Draw following molecules! (1R,4R)-4-ethoxy-2-ethylcyclohex-2-enol…

A: The structure of an organic compound is written in the following steps: Determine the number of…

Q: What is the major organic product obtained in the following reaction? NH NH3 NaBH3CN II NH₂ III HỌ…

A: In a reductive amination reaction, a carbonyl compound reacts with ammonia or amine to form an imine…

Q: According to Le Chatelier’s Principle, does the following reaction shift towards reactants, towards…

A: Since, According to Le-Chateliar principle--Changing concentration affect the equilibrium. When…

Q: Questions: Show your work below. 1. Write a molecular, a complete ionic, and a net ionic equation…

A:

Q: Listen Which of the following is an example of a heterogeneous equilibrium reaction? a) C₂H₂(g) +…

A:

Q: In the analysis of soda ash experiment, what will be the expected relationship between Vphth and Vmo…

A: A soda ash sample is given to have 0.0450 moles of NaOH and 0.0125 moles of NaHCO3 . we are required…

Q: B. Describe the stereochemistry (with structures) of the addition of Br₂ and H₂O to cyclohexene. C.…

A:

Q: ? OH aqueous (tube 2) OH 1. add organic solvent (TBME) 2. add weakly basic solution (NaHCO₂) بھر…

A: Solutions which contain three components are called ternary solutions. Ternary mixture are separate…

Q: What is the hybridization of the nitrogen atom below? O sp3 O sp² O sp OP IZ

A: Answer:- This question is answered by using the simple concept of determination of hybridization of…

Q: The radioisotope strontium-90 has a half-life of 38.1 years. If a sample contains 40 mg of Sr- 90,…

A:

Q: According to Le Chatelier’s Principle, does the following reaction shift towards reactants, towards…

A: Le Chatelier's principle: This principle is used to predict the effect of a change in conditions on…

Q: CH2CH2CH2CH2 I OH I OH Н С + H2O

A: In the given reaction 1,4- Butane diol reacts with acid by the elimination of water molecule to form…

Q: How many singlets in will be observed in the ¹H NMR spectrum of this compound? ملاز

A:

Q: Balance the chemical equation by listing the appropriate coefficients for each molecule. Use a “1”…

A:

Q: In order to form a tertiary alcohol, excess CH MgBr could react with which one(s) of these…

A: Organic reactions are those in which organic reactant react to form organic products. In the given…

Q: Use the standard reduction potentials located in the Tables' linked above to calculate the standard…

A: The given re-dox reactions are Co2+(aq) + 2Fe2+(aq) →Co(s)+2Fe3+(aq) 2Fe3+(aq) + 2I-(aq) →2Fe2+(aq)…

Q: ㅎ 애 ·애 오

A:

Q: How would you carry out the following reaction? O O LiAlH4 or NaBH4 NaBH4 LiA/H4 CH3MgBr OCH 3 ? OH…

A:

Q: Calculate the pH of a 0.045 M HCI solution. O O O 1.23 1.35 12.65 12.29 none of these

A: pH is defined as the negative logarithm of the H+ ion concentration.  mathematically,  pH = - log…

Q: 2. What is the value of AG°f for BaCO3 (s), if AG° = +218.1 kJ for the reaction BaCO3 (s)→ BaO (s) +…

A: The standard formation of gibbs free energy change is defined as the change in gibbs free energy…

Q: The following standard reduction potentials have been determined for the aqueous chemistry of…

A:

Q: Rank the bold-faced hydrogens for the following compounds from most acidic to least acidic. H H…

A: A-H   =   A-  +  H+ Greater the stability of A- (Conjugate base) higher will be the acidic nature of…

Q: What are the pros and cons of HCD vs CID ion fragmentation in mass spectrometry? Is one preferred…

A: In mass spectrometry, HCD and CID are two different methods used to fragment ions. HCD, or…

Q: Express in moles: 3.01×1025  molecules of PH3

A:

Q: A chemist titrates 120.0 mL of a 0.2898M carbonic acid (H₂CO,) solution with 0.8540M KOH solution at…

A: pH value at equivalence point can be calculated by considering the equilibrium reaction of HCO3-

Q: please draw the most stable conformer of cis-1-ethyl-2-methylcyclohexane as a Newman projection.

A: By observing the C6-C5 and C2-C3 bonds of the aforementioned boat conformation, the Newman…

Q: a citrate buffer of pH 4.5, if you have 500.0 mLs of 0.750 M citric acid (Kay-7/ M NaOH, and…

A:

Q: 1. 2. 3. What is the meaning of dipolar? A. A molecule with two electropositive ends. B. A molecule…

A: Please note: As per our company guidelines we are supposed to answer only three parts of one…

Q: 53 You have three sodium carbonate solutions on a lab table in front of you. All of the solutions…

A: Moles (n) of a compound is defined as the ratio of weight of substance (W) and molecular weight of…

Q: Consider the equilibrium shown here: CaCO3(s) C¥0 + CÓ, What would happen to the system if the total…

A: Le Chatelier's principle states that if the equilibrium is disturbed by any factor then the…

Q: Which of the two compounds shown is more polar? Which of the two compounds would have the highest…

A: TLC- Thin layer Chromatography. It is useful checking progress of organic reaction

Q: What is the product of this Aldol addition reaction

A: A question based on introduction to organic chemistry. Two organic structures are prescribed for…

Q: Reduction Half-Reaction Fe²+ (aq) + 2e → Fe(s) Cu²+ (aq) + 2e → Cu(s) - Zn²+ (aq) + 2e →→ Zn(s) Al³+…

A: Answer: Reactivity of a metal can be decided on the basis of its standard reduction potential.…

Q: How many moles of MgCl2 are present in 45.0 g of MgCl2?

A: Since, Moles is the ratio of mass to the molar mass of that atom or molecules. Thus,

Q: Reaction of 1-butanol with periodane gives O Butanal O Propanoic acid 2-Butanone Butanoic acid as…

A: When a primary alcohol oxidized in presence of periodane it gives aldehyde while seconday alcohol…

Q: A 75.0 mL solution of potassium iodate (KIO3, 214.0 g/mol, 98%) was treated with KI and H2SO4 and…

A: Mass of primary standard i.e KIO3 = 0.0325 g KIO3 + 5KI + 3H2SO4 = 3K2SO4 + 3H2O + 3I2  3I2 +…

Q: If you measured the rotation of a compound at 4.050 in a cell that is 0.35 dm in length. And your…

A: The information given is The optical rotation of a compound = 4.05 ° Length of the cell = 0.35 dm…

Q: Solid manganese(II) acetate is slowly added to 150 mL of a sodium hydroxide solution until the…

A: The question is based on the concept of the solubility product principle. When solid manganese(II)…

Q: 13. The stable nucleus formed when an unstable nucleus of 137 Ba emits a gamma ray is 56 a) Ba 137…

A: A question based on nuclear reactions. Reactant of nuclear reactrion is prescribed for which the…

Q: Listen Write the equilibrium expression for the reaction 30₂(g) 203(g)

A: Given : equilibrium reaction

Q: irection: Predict the shift in the equilibrium (direction: forward or reverse) of the reaction based…

A: As per Le-Chatelier's principle, when a system under equilibrium is subjected to any kind of stress,…

Q: What is the major product of the following reactions? α Br Br 1) BH3, THF 2) H₂O2, NaOH Br₂, hv…

A: BH3. THF, NaOH, H2O2 with terminal alkyne compound leads to anti Merkonikove addition of H2O…

Q: What are the similarities between β oxidations of heptadecanoic acids (C 17:0), and cis-Δ9-…

A:

Q: [References The following alkene is treated with one equivalent of N-Bromosuccinimide in…

A: N-Bromosuccinimide or NBS is a chemical reagent used in radical substitution, electrophilic…

Q: A steel rod having a cross-sectional area of 300 mm² and a length of 150 m is suspended vertically…

A: To calculate the total elongation of a rod under a tensile load, we can use the formula:   ΔL = PL /…

Q: How many secondary carbons atoms does the compound below have, if any?

A: The classification of carbon atoms is done on the basis of the number of carbon atoms attached to…

Q: How many moles of O₂(g) are needed to react completely with 55.2 L of CH4(g) at STP to produce…

A: Alkane react with oxygen to produce carbon dioxide and water.  general formula for combustion of…

Q: PhCO2H + "OCH3 O benzene O PhOCH3 O PhCO2 O PhCO2CH3 I?

A: Carboxylic acids are acidic in nature and the acidity of carboxylic acid depends on the nature of…

Q: 16. Calculate the pressure exerted by 1.0 mol of C₂H6 be der Waals gas at 1000 K in a 100 cm3…

A: In this question gas behaves as Vander wall gas so we use here Vander wall gas equation. All the…

Q: Write the balanced chemical equation for the neutralization reaction of Mg(OH)2 and H3PO4 (Hint: it…

A: