Complete the following solubility constant expression for PbCO3. K = sp 0 X

Q: A HCN / NaCN buffer system is to be constructed that is also 0.048 M in Mg2+. What is the minimum…

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Q: The number of electrons and protons is given directly by the ______________.

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Q: 4.5 The correct R or S configuration for the given compound is? H. OH I A. R B. S C. 2(R) D. The is…

A: R And S nomenclature : The rules are used to establish the priority of the groups attached to the…

Q: 1. Indicate the electron and molecular geometry of every non-hydrogen atom in the molecules depicted…

A: Given : structure of molecules Tip: in electron geometry lone pair considered but not in molecular…

Q: 1. A compound has a molar mass of 86.18 g/mol, and the following percent compositions. Find BOTH the…

A: Given :  Molar mass of compound = 86.18 g/mol  % of carbon = 83.62  % of hydrogen = 16.38    As per…

Q: Draw the Lewis structure of the 1:1 adduct that forms in the Lewis acid-base reaction between boron…

A: According to the Lewis definition, the species which donates lone pair of electrons acts as a Lewis…

Q: Predict the major product(s) for each of the following: [3 1) PhMgBr 2) H₂O* ?

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Q: What is the difference between an element and an isotope? An isotope has a blank... atomic mass and…

A: Isotope is the one which has same no. of protons but different number of the neutrons atomic mass  =…

Q: A 28.5 g piece of gold is heated and then allowed to cool. What is the change in temperature (°C) if…

A: Given that: Mass of gold = 28.5 g  Molar heat capacity of gold = 25.4J/mol°C Heat released(Q) =…

Q: Is it easy to separate benzoic acid and naphthalene by column chromatography? (using ethanol as…

A: Column chromatography is a technique that is used to separate the compounds based on their polarity.…

Q: A solution is made by equilibrating the two solids zinc sulfide (Ksp = 2.0x10-25) and zinc carbonate…

A: Given :

Q: What is the chemical formula for aluminum carbonate heptahydrate? What is the molar mass of…

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Q: Propose a feasible synthesis for 2-iodo-4-methylphenolfrom2-amino-4-methylphenol. Draw the reaction…

A: Propose a feasible synthesis for 2-iodo-4-methylphenol from 2-amino-4-methylphenol. The given…

Q: What is the concentration in %w/v of a 0.425 M aqueous solution of methanol (MM = 32.04 g/mol)? A)…

A: Given, Molar Mass of Methanol = 32.04 g/mol Molarity of methanol = 0.425 M

Q: 102- 100- 95- 90- 85- 80- 75- 70- 65- 60- 55- 50- 45- 40- 35+ 4000 Unknown C NEAT 3500 2958.34cm-1…

A: The characteristic peak of carboxylic acid in IR is that it shows a strong and wide brand for -OH…

Q: The pH of 300 mL solution made of 0.96 M acetic acid and 0.86 M potassium acetate is (K₂ = 1.8 x…

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Q: Draw the major product of this reaction. Ignore byproducts. CH3SH , Br

A: This reaction goes through SN1 mechanism. First step in mechanism produce tertiary carbocation which…

Q: 2. Why is water an excellent material to use in the calorimeter? 3. 4. How much heat is required to…

A: For question 2, we have to find out why water is used in the calorimeter. For question 3, we have to…

Q: To what volume (in mL) would you need to dilute 30.0 mL of a 1.35 M solution of NaI to make a 0.0420…

A: According to the formula of dilution, V1S1 = V2S2  ....... (1) We need to dilute 30 ml 1.35 M NaI…

Q: Comment on the reactivity of 9- anthracenemethanol such an unreactive diene. specifically why it is

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Q: (13) Consider the following reaction: =R CI Cl₂ CI R H Ar R Ar CI Rate k[Cl₂][alkyne]; p= -4.19 for…

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Q: Give a detailed mechanism of following reaction. Show the major product and give the IUPAC name of…

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Q: QUESTION 19 A sample of hydrochloric acid (approximately 0.10 M) is titrated with 0.0993 M NaOH at…

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

Q: What are [H3O*], [OH], and pH in a solution with a pOH of 6.35? [H₂0¹1-[ [OH"]= pH= PH x 10 x 10 M M

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Q: If at the beginning of the experiment, you accidentally recorded the mass of your empty beaker to…

A: It is given that mass of empty beaker is recorded higher than the actual mass of beaker.

Q: Consider positronium, an atomic-like system made of an electron and a positron. Find the wavelengths…

A: Reduced mass of positronium, u = mm/m+m = m2/2m = m/2  where m is mass of electron or positron…

Q: QUESTION 27 Consider the reaction NH3(aq) + H₂O() = NH4+ (aq) + OH(aq). Kb for NH3 is 1.8 x 10-5 at…

A: Kb is base dissociation constants and Ka is acid dissociation constants

Q: Hydrochloric acid and sodium hydroxide All equations should be balance and contain physical states.…

A: The formula of Hydrochloric acid is HCl and sodium hydroxide is NaOH.

Q: Which of the following statements is true regarding pairs of enantiomers? O They have different…

A: -> Enantiomer are compounds having just opposite configuration at each stereocenter and they…

Q: Which two of compounds below will be difficult to be separated by column chromatography (using…

A: Column chromatography is a technique that is used to separate the compounds based on their polarity.…

Q: Calculate the volume, in liters, of 1.681 M KOH that must be added to a 0.117 L solution containing…

A: Given, Molarity of KOH = 1.681 M Volume of Solution = 0.117 L Mass of glutamic acid= 9.98 g pH=…

Q: 1.2 Show a detailed mechanism of the following reaction: o + R-NH₂ R + H₂O

A: Amine reacts with carbonyl compounds by nucleophilic addition reaction mechanism. The product formed…

Q: It takes 52.0 J to raise the temperature of an 9.00 g piece of unknown metal from 13.0∘C to 25.0 ∘C.…

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Q: Use the graphs of the hydrogen 2s and 2p orbitals (probability density) to explain why the energy of…

A: S orbital is small in size and effective nuclear charge is greater and hence it experience more…

Q: The pressure exerted on the gas entrapped in the syringe is proportional to the total mass on the…

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Q: Methane gas and chlorine gas react to form hydrogen chloride gas and carbon tetrachloride gas. What…

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Q: The temperature of an object increases by 26.1 °C when it absorbs 3807 J of heat. Calculate the heat…

A: Here given, amount of heat absorb = 3807 J                    increase in temperature = 26.1oC We…

Q: 4.3 The major product/s that form/s during the nitration of benzenesulfonic acid is? choose the…

A: Nitration reaction :

Q: Single crystals are translucent but most crystalline solids appear white.3 Explain this observation.

A: Given, Crystalline solids : It is solid material which has highly ordered arrangements microscopic…

Q: The 98% settling time is the time required for a second-order system to respond to within 2% of the…

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Q: (a) s CI CI 2 NaNH,, liq. NH Equivalent 1 NaOCH, CH₂OH (b) (d) CI Jm C 3 NaNH, liq. NH Equivalent…

A: These are the examples of E2 eliminations.

Q: A volume of 125 mL of H2O is initially at room temperature (22.00 ∘C). A chilled steel rod at 2.00…

A: Volume of water = 125 mL Initial temperature of water (T1,water) = 22.00 °C Final temperature of…

Q: What volume (in L) of 1.20 M FeCl₂ would be required to obtain 0.510 moles of Cl⁻ ions?

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Q: QUESTION 21 Which of the following is the correct definition for an Arrhenius base? O a. proton…

A: we have to select the correct definition of Arrhenius base

Q: Among the following, which combination of half-cells will generate the most positive Eºcell?

A: Given : reduction half cell reaction Tip : E° = E°anode + E°cathode

Q: The pH of 300 mL solution made of 0.64 M acetic acid and 1.06 M potassium acetate is (K₂ = 1.8 x…

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Q: Given are the standard reduction potentials for the following half- reactions: Mn² (aq)+2e → Mn(s)…

A: In an electrochemical cell, the anode is the electrode that releases electrons to the external…

Q: SO₂ Cl2 (g) = = SO2 (g) + Cl2 (g), K₂=2.91×10³ at 298 K a reaction at equilibrium, the partial…

A: Kp is the  equilibrium constant used when equilibrium concentrations are expressed in atmospheric…

Q: aily, in divided doses. This means: A) 250 mg taken every 6 hours B) 250 mg taken every 8 hours C)…

A: Answer:- This question is answered by using the simple concept of calculation of dose amount for…

Q: Calculate the pH of each of the following    Solutions: a) 0.0010 M HCl b) 0.76 M KOH

A: We know that : pH = - log [H+]  ----(1) pOH = - log [OH-]    -----(2) Also HCl -----> H+ + Cl-…