1. What is the pH of a solution containing 0.20mol of NH4Cl and 1.5mol of NH3? Kb = 1.8 x 10-5

Q: -4 When 22.0 mL of a 8.12 x 10 M potassium carbonate solution is combined with 25.0 mL of a 4.14 x…

A: Solubility product quotient, Qsp is the product of the concentrations of the products, each raised…

Q: A₂ B₂ AB A₂+B₂-2 AB Suppose the reaction is carried out at two temperatures for the same amount of…

A: The reactants when undergo collision in proper orientation then it results in the formation of the…

Q: Other information: MM: Ba = 137.327 g/mol, S = 32.07 g/mol, O = 16 g/mol Mass of empty filter 0.2050…

A: Filter paper is used in laboratory to separate the residue and filtrate.

Q: Calculate the lattice enthalpies, ΔU (also called ΔHL), of the following group 1 fluoride compounds…

A: According to the Born-Mayer equation, ∆U=-Na Z+Z-doe2A4πεo1-ddo where Z+, Z- are the charges present…

Q: Why did this product not form?

A: Diels alder reaction is a 4 + 2 cycloaddition reaction between diene and dienophile.

Q: 10. Draw the structure of the major product(s) for the following reactions: i. ii. CI Br CI…

A: These are the examples of nucleophilic substitution and elimination reactions

Q: The Diels–Alder Reaction – A [4+2] Cycloaddition Experiment.  During the experiment we used Maleic…

A: We have find out the reaction mechanism.

Q: What is the concentration of a solution with an absorbance at 520 nm (A520) of 0.6 that has an…

A: Absorbance (A) = 0.6 Path length (l) = 1cm Molar extinction coefficient (ε) = 3.0 L/mmol cm…

Q: A small amount of sodium bromide (NaBr) is dissolved in a large amount of water. Imagine separating…

A: The heat absorbed or released in a process at constant pressure is the enthalpy change which is the…

Q: Calculate the [OH-] and [H+] for a 0.065 M Ba(OH)2 solution. Is the solution basic, acidic or…

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

Q: The table shows the variation of the rate constant with temperature for the first-order reaction.…

A:

Q: Naming Alkanes

A: According to IUPAC nomenclature :  Select the longest continuous chain of carbon atoms called as…

Q: In the previous step, you determined there is 0.091 M excess hydroxide in the solution. What is the…

A: Given that, [OH-] = 0.091 M We need to find the pH of the solution

Q: A chemist fills a reaction vessel with 1.28 atm nitrogen (N₂) gas, 7.65 atm hydrogen (H₂) gas, and…

A:

Q: 9. Draw the structures of two monobrominated products formed when 1,5-cyclooctadiene is treated with…

A: A question based on reactions of alkene. A cyclic diene is given whose monobrominated product on…

Q: Plutonium-240 undergoes three alpha (#He) decays and two beta (e) decays. What is the final product…

A:

Q: What is/are the missing reagent(s) (A) in the following reaction? 0 CH3-CH₂-C-OH O H₂SO4 O CH3OCH 3…

A: The given reaction is shown below We have to find out the missing reagents A. The given options are

Q: The Solubility Product Constant for iron(II) carbonate is 3.5 × 10-¹¹. The maximum amount of…

A: Given,  The solubility product constant ( Ksp) of iron(ii) carbonate ( FeCO3 ) = 3.5 x 10-11…

Q: The combustion of ethane (C₂H6) is represented by the equation: 2C₂H6(g) +70₂(g) 4CO₂(g) + 6H₂O(l)…

A: for the given reaction, it is understood from the question that we have to identify the correct…

Q: OH НО H

A: A question based on reaction mechanism. A complete reaction of esterification is given whose…

Q: If mass Q mass A = 0.571 in AQ, what is mass Q mass A = in A₂ Q3 ?

A: Answer: Two compounds always react in the fixed ratio of their masses and this is called as law of…

Q: Given the same reactant concentrations, the below reaction at 245. °C is 51.4 times as fast as the…

A:

Q: What is the pH when 100 mL of 0.11 M NaOH is titrated with a) 0 mL 0.11 M HCl b) 15 mL 0.11 M HCl c)…

A: Answer:- This question is answered by using the simple concept of calculation of pH at different…

Q: 18. The following addition reaction only produces one major product, which is both the kinetic and…

A:

Q: In chemical reactions, heat is either released or absorbed and entropy either increases or…

A: Answer: Relation between Gibbs free energy change, enthalpy change and entropy change is: ∆G=∆H-T∆S…

Q: The target molecule can be prepared in one step from this benzylic brom

A: The retrosynthetic analysis is given.  Retrosynthetic analysis means the reverse of the reaction.…

Q: Calculate the concentrations of H*, HCO3, and CO3 in a 0.015 M H₂CO3 solution. Round your answer to…

A:

Q: Consider the following diagrams (the hydrated proton is shown as a hydronium ion; the water…

A: Hydronium ion (H3O+) The hydronium ion shows the presence of acid . More is the concentration of…

Q: What is the order of composition of C4H6?   what is the rate constant k?  what is the average rate…

A: A question based on reaction rates. 3 graphs for the decomposition of C4H6 are given that are to be…

Q: A geochemist in the field takes a 22.0 ml sample of water from a rock pool lined with crystals of a…

A: Temperature of pool = 18. °C  Weight of the crystal X = 2.86 g Volume of sample = 22.0 mL…

Q: Determine the electron group geometry (eg) and molecular shape (ms) of XEF 2. eg= linear, ms =…

A: Detail

Q: A galvanic cell has the overall reaction: 2Fe(NO3)2(aq) + Pb(NO3)2(aq) →→2Fe(NO3)3(aq) + Pb(s) (1)…

A: The given redox reaction is 2 Fe(NO3)2(aq)  +Pb(NO3)2 (aq) →2 Fe(NO3)3(aq)  + Pb(s)  In a voltaic…

Q: The rate of the hemoglobin (Hb)-carbon monoxide reaction has been studied.         4Hb   +   3CO…

A: We have to determine   rate equation for the reaction rate constant  ate at the instant when [Hb] =…

Q: Classify the following elementary reaction as unimolecular, bimolecular, or termolecular. Select the…

A: The reaction is unimolecular if only single reactant is involved to carry out the reaction.  A → B…

Q: Consider the following reaction, which takes place in a single elementary step: kq 2A + B A₂B ky If…

A:

Q: Assuming constant conditions, how many milliliters in oxygen had react to give 180 L of Cl2O3

A:

Q: Which of the following equations is an exothermic reaction?   a H2 (g) + ½ O2 (g) → H2O (l) ΔH =…

A: Exothermic reaction Reaction in which Energy is released so it is exothermic reaction.

Q: Structure (add letters for labels) Assignment Chemical Shift (ppm) (corresponds to label on…

A: 1H-NMR spectroscopy is used for the identification of nature and types of protons. The number of…

Q: How many J are needed to convert 50.0 mL of 80.0 degrees Celsius water into 100.0 degrees celsius…

A: A question based on heat capacity. A set of data required to calculate the amount of heat released…

Q: Consider the following reaction, which takes place in a single elementary step: k₁ 2A + B A₂B k₂ If…

A:

Q: Terminal alkynes react with Br₂ in H₂O to yield bromoketones. For example, 요 H3C NAX H3C. CH :OH…

A: The above given reaction is bromination reaction . In this reaction Br2 and H2O is used as reagents.…

Q: Rank the following in order of increasing acidity. (1 = least acidic ... 4 = most acidic)

A: Acidity is defined as tendency of atom to release hydrogen ions when dissolved in water. In the…

Q: QUESTION 26 Imagine you completed the dilution series shown below. What is the final dilution factor…

A: The formula of dilution is  CV = C1V1 Where, C and C1 are the concentrations of stock and diluted…

Q: One kilogram of hydrogen is confined in a volume of 200 L at -45 °C. What is the pressure if R is…

A:

Q: QUESTION 29 Which of the following graphs is consistent with enzyme activity as a function of pH?

A: In the given problem we have to speculate regarding which of the four given graphs best represents…

Q: 2) What is the product of the following reaction? 2 CH CH CH A) OH CHICHI CHICH CH₂ B) CHICHI CHICH…

A:

Q: when the following solutions are mixed together, what precipitate (if any) will form? Note: Leave…

A: All the nitrate salts are soluble in water. All the chlorides are soluble in water except the…

Q: (a) (b) (c) C (g) C6H5NHCH3 + HC1 (CH3CH₂)2NH + HNO3 IN CoHsNHz NH₂ AICI3 1) LiAlH₂/H₂O 2) ethyl…

A: Since you have asked a question with multiple subparts, we will answer the first three subparts for…

Q: At a particular temperature, the solubility of H2 in water is 0.0200 M when the partial pressure is…

A:

Q: Food Sample Oreo cookies mass (g) 2.41 2.29 Microwave popcorn Crunchy Cheetos 2.21 2.23 2.45 Beef…

A: Which food sample had the highest number of calories per gram? Which of the foods store the most…