A solution contains 0.0140 M Pb2+(aq) and 0.0140 M Sr2+(aq). If you add SO2−4(aq), what will be the concentration of Pb2+(aq) when SrSO4(s) begins to precipitate?

Q: Give the name of the missing organic reactant in the following reaction. CH3- ? + 2 Ag(NH3)2* + З…

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Q: Given the volume of 0.1416 M NaOH used determine the concentration of 16 ml sample each from…

A: Given that, the concentration of the NaOH is 0.1416 M. The volume of the aqueous layer is 16 mL. And…

Q: Which of the following reactions would be 2-bromo-2-methylbutane as one of the possible products?…

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Q: Give 5 differences of Symmetrical alkenes and Unsymmetrical alkenes .

A: We can differentiate between these types of alkene based on their structural aspects and reactions…

Q: Draw the line-angle formula for each of the following fatty acids. Part A palmitic acid Draw the…

A: Fatty acids are carboxylic acid with a long hydrocarbon chain.

Q: 15 g of unknown organic sample was dissolve in 575 mL of Dicloromethane (DCM). The boiling point of…

A: Here the nonvolatile solute is the unknown organic sample and the solvent is Dicloromethane (DCM).

Q: The relationship between the diffusion current (ampere) and concentration ( _____ ) of the analyte…

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Q: Which of the following is NOT true about constant weighing in the experiment? A A proportionality…

A: Weighing is an important and necessary part of the experiment. If the amount of compound is not…

Q: Ether- Water-

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Q: Compute for the CEC and % base saturation of the soil if; Ca = 15 me/100g Fe = 15 me/100 g K = 19…

A: Solution: Data given- Ca = 15me/100g, Fe = 15 me/100 g, K = 19 me/100g, Mn = 18 me/100g,  Mg = 8…

Q: The ionization constant (Kb) of pyridine (C5H5N) is 5.62 x 10^-4. If 11.3 grams of sample of…

A: Given that -  Ionization constant, Kb for pyridine = 5.62×10-4  Mass of pyridine = 11.3 grams…

Q: 19 g of unknown organic sample was dissolve in 640 mL of Dicloromethane (DCM). The boiling point of…

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Q: Silver chromate is sparingly soluble in aqueous solutions. The ?sp of Ag2CrO4 is 1.12×10−12. What is…

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Q: CONCEPT CHECK No. 2: Write your answers on the blank spaces provided below for Questions 1 & 2…

A: Configurational Isomers are stereoisomers that can not be interconnected to one another by simple…

Q: Provide the reagents necessary to complete the following synthesis. Upload your synthetic…

A: 1. Ketal deprotection. 2. Grignard addition. 3. oxidation. 4. Wittig reaction. 5. Epoxidation. 6.…

Q: Write a note on insertion reaction.

A: An insertion reaction is a chemical reaction where one chemical entity (a molecule or molecular…

Q: lece of iron [c = ure of 57.0 °C and then placed Og piece of copper [c = 0.385 nsulated container.…

A: Given,  Mass of iron = 208 g Heat capacity of iron = 0.449 J/g-°c Mass of copper = 180 g Heat…

Q: What is the molar solubility of Ag2CrO4 (Ksp 1.10 x 1012) if the solution is 1.00 x 10 M in Ag+? •…

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Q: A Na,CO3 standard solution is prepared by transferring 2.4817 grams of primary standard-grade sodium…

A: Answer:  This question is based on stoichiometric calculation where moles sodium carbonate will be…

Q: A solution is 5.0×10−5 M in each of these ions: Ag+, SO2−4, Cl−, and CO2−3. Which precipitate will…

A: Given: Concentration of each of Ag+, Cl-, SO42- and CO32- = 5.0 × 10-5 M

Q: 14.3 Matching Questions Select the correct name for the following. 75) A) Propan-3-one CH3CH2C…

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Q: Draw the structural formula of the following compounds. 1) 1-ethyl-3-methylbenzene (What is the…

A: structural formula consists of symbols for the atoms connected by short lines that represent…

Q: A chemistry graduate student is given 500.mL of a 0.80M chloroacetic acid (HCH2ClCO2) solution.…

A: Given, pH to be made - 3.08 Ka - 1.3 × 10-3  chloroacetic acid taken - 500 mL of 0.80 M

Q: What is the time needed for a constant current of 0.100 A to deposit 0.500 g of Tl (I) [AW= 204.38…

A: Given: Mass of Tl to be formed = 0.500 g. Current passed = 0.100 A And the ion present in the…

Q: A solution containing 0.40249 g of CoCl2. xH2O was exhaustively electrolyzed to deposit 0.09937 g of…

A: Given: Mass of CoCl2·xH2O = 0.40249 g. And mass of Co formed = 0.09937 g.

Q: Use the tabulated half-cell potentials to calculate the equilibrium constant (K) for the following…

A: 2Al(s) + 3 Mg2+(aq) -----> 2Al3+(aq) + 3Mg(s) E°Mg2+/Mg = -2.37 V E°Al3+/Al = -1.66 V

Q: Name the following molecuie. Use correct hyphens, include best placement of numbers and don't…

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Q: Draw the following compounds based on their IUPAC Names: 1.   3-ethyl-2,2-dimethyl-3-heptene 2.…

A: 1.   3-ethyl-2,2-dimethyl-3-heptene -  It has main chain of seven carbons, with double bond at third…

Q: A 611.4 g sample of mercury absorbs 195.8 joules of heat. The specific heat capacity of mercury is…

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Q: H2 C which carbon is AC the chiral center? CH2-CH3

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Q: What is the absolute configuration of the carbon in the photo?

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Q: If 28.0% of a sample of gallium-66 decays in 4.46 hours, what is the half-life of this isotope (in…

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Q: An aqueous solution at a temperature of 70 degC (158 degF) contains 18 mol & KNO3 is boiled to give…

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Q: A 0.1510 g KHP (Mw = 204.22 g/mol) sample required a volume of 57.04 mL of NaOH solution to reach a…

A: KHP reacts with sodium hydroxide to form NaKPH and water. One mole of KHP reacts with one mole of…

Q: An experimenter created a solution with a concentration of 20.0%(w/w) from a solid active compound…

A: Given: Initial %(w/w) of solute = 20.0 % Density of initial solution = 1.4 g/mL> Volume of…

Q: or the following reaction, AP(C6H14)/At was found to 6H14(9) → C6H6(g) + 4H2(g) etermine AP(H2)/At…

A: Which one of the following is correct

Q: TRUE OR FALSE The appearance of the blue color in the iodine clock experiment marks the end of the…

A: Here we are required to state whether the statement are correct or incorrect

Q: (a) to (i): Determine whether each stereocerter marked by letters in red is Ror S. HN CI CI F F SH…

A: Note : Give the priority to the atoms at chiral center. Priority order is clockwise. Then the…

Q: (b) Show figuratively using appropriate example of C3v point an group. C3'o»C² = 0v Ơy"

A: Well, we will consider a molecule which have C3v point group like NH3. we have to know the operation…

Q: Consider the following half reactions in the attached image and their corresponding standard…

A: In a redox reaction: Oxidation reaction: Removal of the electron or increase in oxidation state is…

Q: Using the thermodynamic information in the ALEKS Data tab, calculate the standard reaction entropy…

A: The reaction given is, => Al2O3 (s) + 3 H2 (g) → 2 Al (s) + 3 H2O (g)

Q: The rate constant for the decay of a radioactive element is 6.70 × 10⁻³ day⁻¹. What is the half-life…

A: Half life is the time taken for a radioac Radioactive decays are first order reaction.

Q: . The flotation process used in metallurgy involves __________. a.chemical reduction b.the roasting…

A: 1) The flotation process used in metallurgy involves

Q: The property of the solution remains constant even if its composition varies. O True O False

A: Classification of properties -  Additive property.  Constitutive property. Colligative property.

Q: Given the volume of 0.4596 M NaOH used determine the concentration of 19 ml sample each from…

A: We are performing here an acid-base titration to determine the concentrations of an acidic compound…

Q: The gas phase decomposition of nitrosyl chloride at 400 K NOCI(g)→NO(g) + ½ Cl2(g) is second order…

A: Given-> Rate constant (K) = 5.90 × 10-4 M-1s-1 Initial concentration = 8.28 × 10-2 M Time = 4.82…

Q: A new drug product is found to be ineffective after it has decomposed 30%. The      original…

A: Given: The drug becomes ineffective (or expiry) after 30 % of the initial amount is decomposed.…

Q: Type at least two definition/description /property/ example of an acid and a base that you could…

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Q: 17.55 g of an unknown compound decreased the freezing point of 138 g of benzene (Kf= 5.12 ∘C  /m) by…

A: Detail mathematical calculation is shown below

Q: Name: 3) Consider the following redox reaction: CuSO4 (aq) + Mg (s) → M9SO4 (aq) + a. Is copper…

A: Chemical Reaction :- CuSO4 (aq)  + Mg (s)  ---> MgSO4 (aq) + Cu (s)  Redox reaction :- Reaction…