Only 1.3x10-6 moles of lead sulfate PbSO4 can be dissolved in 100 mL of a solution of sodium sulfate Na2SO4 at 0.001 mol.L-¹. 1- What is the solubility product of PbSO4? 2- 20 mL of a solution of lead nitrate Pb(NO3)2 at 2×10-4 mol.L-¹ are added to 80 mL of a solution of sodium sulfate at 0.001 mol.L-1. Is it possible for lead sulfate to precipitate under these conditions? Sulfuric acid is considered as a strong diprotic acid. 1.3x10-8; 2) PbSO4 precipitates The answer : 1) Ks -

Q: 1. Provide an arrow-pushing mechanism for the following reactions: NaCN EtOH/H-O b. c. d. H Br Br Br…

A: for SN1 reaction :-  Reactivity order of alkyl halide;  3° alkyl halide > 2° alkyl halide > 1°…

Q: The following thermochemical equation is for the reaction of HCl(g) with NH3 (9) to form NH4Cl(s)…

A: This is exothermic reaction as ∆H of the reaction is negative.  1 mole ammonia react with 1 mole…

Q: Nitrogen gas (N2) reacts with hydrogen gas (H₂) to form ammonia (NH3). At 200°C in a closed…

A:

Q: How much energy is required to raise the temperature of 13.1 grams of solid aluminum from 21.4 °C to…

A: Given data  Mass of solid aluminum (m) = 13.1 g  Initial temperature (T1) = 21.4 °C  Final…

Q: Draw the products of the two step reaction sequence shown below. Ignore inorganic byproducts. HO…

A: The attack of PBr3 on alcohol follows SN2 reaction.

Q: 5. How does temperature affect entropy?

A: To determine the effect of temperature on entropy

Q: Write the complete electron configuration for the sodium atom. Using NOBLE GAS notation write the…

A: The electronic configuration can be written by using three basic rule    1. Aufbau principle. 2. The…

Q: Find the nuclear binding energy of uranium-234 (atomic mass = 234.040947 amu) in units of joules per…

A: Given: The atomic mass of uranium-234 is 234.040947 amu. The mass of the proton is 1.672623×10-24 g.…

Q: How many alkyl groups would be equatorial in the most stable conformation of the cyclohexane below?…

A: we have to determine the number of alkyl groups at the equatorial position of stable conformation of…

Q: Describe how you could use NMR to differentiate between the two molecules below by investigating the…

A: Nuclear magnetic resonance (NMR) spectroscopy is the study of molecules by recording the interaction…

Q: Activity C: Visual Analysis: ct Na Water molecule Crystal of NaCl Hydrated sodium ion Hydrated…

A: (1) In figure first clearly given that around sodium ion oxygen atoms of water molecules arranged…

Q: Incorrect. Predict the major product(s) that are expected when the following compound is heated with…

A: In this question, HBr is concentrated that means it is in excess amount so that you will get…

Q: Select all that apply. Sight down the C-2-C-3 bond, and choose the Newman projection formulas for…

A: We need to consider the dihedral angle between the methyl substituents and the H atoms to decide on…

Q: Active chlorine (CI)” is used both in water treatment and for cleaning. If it is in the water for…

A: To find out the average concentration of Cl2 available in the bleach sample given that the density…

Q: if you had 180 grams of O_(2), and excess amounts of C,H,N and P, how many grams of ATP could you…

A: Adenosine Tri Phosphate (ATP) has a molecular formula of C10H16N5O13P3 Its Molar mass is 507 g/mol.…

Q: 13. Draw all potential constitutional isomers and stereoisomers for the compound below; AND point…

A: Constitutional Isomers and Stereoisomers Constitutional (structural) isomers arecompounds with the…

Q: A student prepares a reaction in which hexane is converted to 1,3-hexadiene. In this reaction, what…

A: Please find your solution below : Oxidation is a type of chemical reaction in which the loss of…

Q: How many peaks are present in the NMR signal of each labeled proton? a. b. H. C. d. H H Br

A: Given Different organic compound

Q: Ammonium phosphate ((NH), PO4) Is What mass of ammonium phosphate is produced by the reaction of…

A:

Q: A compound has the molecular formula: C4H802 and gives the following H-1 NMR spectrum. Give the…

A:

Q: 2. 100 mL of a barium hydroxide solution is titrated with 0.2 M HCI. If it takes 178 mL of HCI to…

A: Neutralization reaction is  Ba(OH)2 + 2 HCl →BaCl2 + 2 H2O One mole barium hydroxide is neutralized…

Q: 1 2 3 -CH₂COOH + NaOH COH OH + SOCI₂ 1. LiAlH₁ 2. H₂O ether

A: The first reaction is an acid-base neutralization reaction. The second reaction is a substitution…

Q: 8. Give the major organic product(s) of each of the following reactions. If none is predicted, write…

A: According to Q&A guidelines of Bartleby, we are supposed to answer only the first question out…

Q: 2. Consider the following reactions: A -> B (1) B + M -> C (2) Assume M is present in great…

A: The following is a step by step explanation of the rate equations and time-dependent variation in…

Q: A 10.00-mL sample of blood was diluted to 100.00 mL. 10.00 mL of the resulting solution was analyzed…

A: The balanced chemical equation for the titration is  5C2O42-+2MnO4-+16H+→2Mn2++10CO2+8H2O

Q: A C 1.2 % NaCl 280 mOsm/L B D 5% Glucose 2% Glucose Assuming equal volume in all the sections, what…

A: Here it is given that the volume of all the sections are same. So A, B, C and D have se volume. We…

Q: 3. What is the hybridization of each atom (excluding hydrogen atoms) in the following structure?

A: when C atom have one pi bond then hybridization is sp2 and when attached with two pi bonds then…

Q: + F₂ catalyst The above reactants would undergo a catalyst ,ل + H H The above reaction would be an…

A: We know the types of reaction;  Substitution reaction :- The chemical reactions in which an atom or…

Q: major organic product -Br 1.2 Li, Et₂O 2. -C=CH 3. CH3(CH₂)2CI sehem Select Draw Rings / |||||| с H…

A: Given synthesis is multistep synthesis

Q: An automobile engine generates 2210 Joules of heat that must be carried away by the cooling system.…

A: Please find your solution below : According to the first law of thermodynamics, energy can neither…

Q: You are told that the hydrolysis of aspirin follows zero order kinetics. Which ONE of the following…

A: Zero order reaction: The chemical reaction in which the rate of the reaction does not change with…

Q: 2. Fill in the table with the appropriate name or formula of the given molecules. Name Formula…

A: Since, Common name are those name which is generally used to identify the chemical in the…

Q: Look at the following molecules at the table and identify which atom in each molecule bears + and…

A: Molecules are formed by the combination of an atom. Atoms either exchange or share electrons. During…

Q: A mass spectrum of an unknown compound shows an [M]+ peak with an [M+2]* peak of similar height.…

A: Given that The mass spectrum of an unknown compound shows an [M]+ peak with an [M+2]  peak of…

Q: Draw a splitting tree of Hx in the following examples Hx p 5. Draw a splitting tree of Hx in the…

A: Splitting tree for the proton is used to show the coupling of that proton with non-equivalent…

Q: The percent by mass of ethylene glycolr (MM = 58.08 g/mol) in an aqueous solution is 10.42% and the…

A:

Q: Bromine has two stable isotopes: 79Br and 81Br with masses of 78.9183371 amu and 80.9162906 amu. If…

A: In this question we have to tell the the Mass of 79Br in 10 gram of Br which has 79.904 amu mass.

Q: Choose the resonance structure that results from the arrow pushing scheme below: OH +

A:

Q: 1. CzH5OH(I) + HCOOH(I) → HCOOCzHs + H2O(I) 2. C₂H5OH(1)→ C₂H4(9) + H₂O(1) 3. C₂H4(9) + Cl₂(g) →…

A: In the multiple questions, we solve only first question according to the Bartleby guidelines. Check…

Q: 2,3,4-trimethyl-1-hexene CH3 ICHCH CHO CH2 CH3 1 CH3 Снз CH₂=

A: This question is related to IUPAC (International union of pure and applied chemistry) nomenclature.…

Q: Can you help me with last ones? I have to identify the compound of each compound and its type?

A: Molecular compound: These compounds contain discrete molecules, which are held together by sharing…

Q: At pI for the amino acid glycine, NH2CH2COOH, using the chemical formula of the molecule, please…

A: The pI (isoelectric point) of an amino acid refers to the pH at which the amino acid has a net zero…

Q: Determine [Zn² ], [CN], and [HCN] in a saturated solution of Zn(CN), with a fixed pH of 2.340. The…

A: Given: The pH of the solution is 2.340. The solubility product (Ksp) of Zn(CN)2 is 3.0×10-16. The Ka…

Q: A volume of 500.0 mL of 0.130 M NaOH is added to 605 mL of 0.200 M weak acid (Ka = 3.87 × 10¯). What…

A: Given -> Volume of NaOH= V1 = 500 ml  Molarity of NaOH = M1 = 0.130 M  Volume of weak acid = V2 =…

Q: If I wanted to find a specific heat for this sub- stance, which segments of the heating curve might…

A: 3) Specific heat : It is the quantity of heat required to raise the temperature of one gram of a…

Q: The pressure in a vessel that contained pure oxygen gas dropped at a rate of 0.440 atm/min as the…

A:

Q: Calculate all the concentrations in equilibrium in a 0.4M solution of magnesium hydroxide magnesium…

A: Mg(OH)2 is a base which get dissociated in this way -: Mg(OH)2 ⇌ Mg+2(aq) + 2OH- (aq)

Q: 2. Determine the best reagents for the reaction below. a) 1) NaOH, 2) H₂O b) 1) MeMgBr, 2) H₂O c)…

A:

Q: A liquid is exposed to infrared radiation with a wavelength of 2.43 × 10-4 cm. Assume that all the…

A: Answer : Given that, Wavelength =2.43 x 10-4 cm =2.43 x 10-6 m Energy= 30.03 J

Q: The standard enthalpy change for the following reaction is 641 KJ at 298 K. Mg(s) + Cl₂(g) AH° = 641…

A: Given -> MgCl2(s) ------> Mg(s) + Cl2(g) ∆H°= 641 kJ