Complete and balance the following molecular equations, and indicate if each reaction should occur.  Be sure to include the correct formulas for each compound, stoichiometric coefficients, and physical states.   Fe(NO3 )2 (aq)   +     NaOH (aq)  →      AlCl3 (aq)   +    AgC2H3CO2 (aq)  →    Na2CO3 (aq)   +   NH4Br   (aq)

Q: Why was the tea extract washed with three separate portions of 20 ml of CH2Cl2 instead of 60 ml at…

A: The caffeine from tea can be extracted from solvent extraction principle. The tea extract is soluble…

Q: Question 2 Which equation depicts aqueous hydrogen sulfide behaving as a Brønsted-Lowry acid in…

A: Here, we have to find the equation in which hydrogen sulfide (H2S) is behaving as a Bronsted-Lowry…

Q: What is the formula weight (in g/mol) of copper(II) nitrate trihydrate, Cu(NO3)2 3H₂O? Give your…

A: For the first question, we have to find the formula weight (in g/mol) of copper (II) nitrate…

Q: 5. You are heating a mixture of (flammable) cyclohexane and toluene in a round bottomed flask. What…

A: Mixture: A mixture can be defined as the substance which will be made by more than one various kinds…

Q: Complete the following table: Cation Formula Anion Formula Compound Formula Mn2+ Cu+ Co3+ 02- I™ S²-

A:

Q: If the Mn of a batch of LDPE is 3.2x109 g/mol, what is the corresponding full contour length in…

A: Given: The molar mass of LDPE is 3.2 x 109 g/mol To calculate: Full contour length in Angstroms (Ao)…

Q: The phase diagram for a compound X is illustrated below. (un) sincent 2.0 1.5 1.0 0.5 V 20 40 60 80…

A: When a solute is dissolved in a pure solvent then the vapour pressure of the solution decreases due…

Q: Question 12 Progessive score= 0 mark(s) Draw the organic molecule(s) which is (are) formed in the…

A:

Q: Why is it multiplied by 3 & 2 where did you get it

A: Recall the given equation,                    Fe2O3  +  3 CO  →  2 Fe  +  3 CO2…

Q: For 200 nm wavelength 100 200 amplitude wavelength VA 300 400 wavelength amplitude 500 Med wave have…

A: Answer: In this question we have to understand the relation between frequency and wavelength to…

Q: 4) Use a Newman projection to show the most stable conformation of 4-isopropyl-2,3-dimethylheptane…

A:

Q: Essential oils are concentrated liquid containing metabolites extracted from plant sources and are…

A: The boiling point of the compounds depends on the intermolecular forces. The boiling point increases…

Q: n H₂C: isobutylene CH3 CH₂ CH3 A CH₁₂ n poly(isobutylene)

A:

Q: If a pharmacist dissolves 1.2 g of a medicinal agent in 60 mL of a cough syrup having a specific…

A: Given, mass of medicinial agent = 1.2 g volume of cough syrup =  60 mL specific gravity = 1.20

Q: A sample of Br₂(g) takes 40.0 min to effuse through a membrane. How long would it take the same…

A:

Q: How was the j/g found at the beginning of the conversion mechanism. The the number is just kind of…

A: To convert the heat of fusion ans heat of vaporization from kJ/mol to J/g , the conversion factor…

Q: How many moles of Nitrogen gas will react with 25 moles of Hydrogen gas in the following reaction?…

A: In this question, we will determine the moles of Nitrogen gas.  Given : moles of Hydrogen gas =…

Q: A compound is 80.0% carbon and 20.0% hydrogen by mass. Assume a 100.-g sample of this compound. How…

A: Given, mass % of C = 80.0 % mass % of H = 20.0 % mass of compound = 100 g mass of C = ? mass of H =…

Q: Calculate Kea for these reactions and predict if the equilibrium will lie to the right or to the…

A:

Q: Gaseous azomethane C2H6N2 decomposes in a first order reaction when heated.  C2H6N2 (g) -> N2 (g) +…

A: C2H6N2(g)  ->  N2(g)+C2H6(g) Initial amount in the flask=2.00g Rate constant=40.8min-1…

Q: Using the data in the table, calculate the rate constant c this reaction. Macmil A+B C+D k = (

A:

Q: Given that K₂ for HIO is 3.2 x 10-11 at 25 °C, what is the value of K, for IO¯ at 25 °C? Kb = Given…

A:

Q: Can you explain and answer it

A:

Q: A 0.921 g sample of an unknown organic compound containing C, H, and O was burned in air to give…

A: Empirical formulae determines the proportion in which the constituent atoms are present in a…

Q: Complex or Compound Name Metal Metal d Charge electrons Molecular Geometry Obeys 18- electron rule?

A: Sn(acac)3]NO3

Q: Let us think about the pressure- volume work in your heart. Your blood pressure rises and falls with…

A: #(a): The formula for woek done, w is w = - Pext * ∆V Since the work done is pressure multiplied by…

Q: 3. Propose a reasonable reaction mechanism for the following transformation. OH Ho for FO H3O+ H₂O

A: This is a rearrangement reaction where acid hydrolysis is taking place and via certain steps we are…

Q: Find the volume of the entire unit cell including the empty space in terms of r. Remember for a cube…

A: g. The volume of the entire unit cell in terms of r, radius of the atom is Answer: 8r3. h. The…

Q: It took 1295 J to raise the temperature of a sample of water from 17.3 °C to 38.7 °C. Convert 1295 J…

A:

Q: c. If there are atoms at the eight corners of a simple cubic cell and each atom is shared by eight…

A: Here we have to determine the total number of atoms per SCC unit cell and co-ordination number of…

Q: Copper wire is sold in spools according to the gauge number of the wire. The gauge number refers to…

A: Mass of Cu wire spool = 10 lb Diameter of Cu wire = 0.0808 in Density of Cu = 8.96 g/cm3 The length…

Q: 5.A. Syrup, USP is prepared by dissolving 850 g of sucrose in sufficient purified water to make 1000…

A:

Q: Which of the following mixtures will be a buffer when equal amounts of each are dissolved in a liter…

A:

Q: 7. Consider the initial concentrations of gases below, calculate Qp and predict the direction of…

A: 7. Recall the given reaction,                      PCl5 g  ↔  PCl3 g  +  Cl2 g…

Q: Iupac name?

A: Rule of IUPAC-1) Longest chain as parent chain.2) Numbering start from those side where more prior…

Q: an alternative to combustion, coal gas can undergo a process called methanation.  3 H2(g)  +  CO(g)…

A: Hess's law states that regardless of multiple stages or steps of a reaction, the total enthalpy…

Q: Calculate the mass in grams of 1 glucose molecule ( C6H12O6)

A:

Q: A compound is 40.0% C, 6.70% H, and 53.3% O by mass. Assume that we have a 100.-g sample of this…

A:

Q: Draw all the resonance forms of the sigma complex formed by nitration of p-xylene. Draw the…

A: Sigma complex is formed by para xylene when it attacks on the electrophile, NO2+ ion. It is a…

Q: Draw a skeletal (line-bond) structure of (R)-2,3-dimethylheptane. Use a dash or wedge bond to…

A: Given two compounds are (R)-2,3-dimethylheptane and (S)-2,3-dimethylheptane. As we can see they are…

Q: A sample of Na2CO3 is known to contain inert matter and either NaOH or NaHCO3. In the potentiometric…

A: Given data: Concentration of HCl = 0.1 N mass of mixture of compounds = 0.225 g

Q: Which of the following is TRUE regarding the relative strengths of the halogens as oxidizing agents?…

A:

Q: ch of the following names is correct 1-dimethylhexane 2-dimethylcyclohexane 2-dimethylhexane…

A: IUPAC nomenclature is used for naming the organic compound as per recommended by international union…

Q: Use the Solver function in Excel to determine [Sr2+][Sr2+], [F−][F−], [HF][HF], [OH−][OH−], and…

A:

Q: For the diprotic weak acid H2A, ?a1=3.6×10−6 and ?a2=8.5×10−9. What is the pH of a 0.0800 M…

A:

Q: Provide the correct IUPAC name for the compound shown here. H₂C. CH3 CH₂ CH3 CH₂ CH3

A: IUPAC name of an organic compound is given based on the rules set by IUPAC. Below are some of the…

Q: Heavy metal sulfides like CdS and PbS are often significant components of mine tailings (the piles…

A: The equilibrium reaction for the dissociation of metal sulfides is: CdS(s) ⇌ Cd2+(aq) + S2-(aq) ;…

Q: What is the expression for the equilibrium constant? H₂(g) + I2(s) → 2HI(g) 0 a) Keg O b) = Keq=…

A: The law of mass action states the rate of a chemical reaction is directly proportional to the…

Q: Draw the major organic product of the Bronsted acid-base reaction. Include all lone pairs and…

A: In the acid base reaction, there is a transfer of proton from bronsted acid to base.  In the given…

Q: After a chemical absorbs energy, the most common way for an electron to return to the ground state…

A: Photon emission Heated  Lambda max

Precipitation Titration

Precipitation analysis is used to analyze drugs, and to measure the salt content in food and beverages. It is an important concept from the examination point of view many practical questions are asked on the topic. This topic is significant in the professional exams for both undergraduate and graduate courses, especially for