6) A chemistry student in Principles I lab uses the flame test to help identify an unknown chemical solution. What principle is the student taking advantage of in this test? A) acidity/basicity B) emission e c C)-absorption D) solubility E) complex ion formation

Q: Which of the following Lewis Dot Structures is most correct? A) B) C) b) E) [H=8-H]* [H=B=H]¹…

A: To draw the Lewis structure of BH2-, we need to follow these steps :First we need to count the total…

Q: In the reaction below, identify the acid and the base & balance and write the products and…

A: Answer:Any specie that gains H+ ion in its solution is called as Bronsted-Lowry base and the specie…

Q: What is the formal charge of carbon in carbon monoxide (CO) when drawn with a triple bond? Multiple…

A: The objective of the question is to determine the formal charge of carbon in carbon monoxide (CO)…

Q: What is the best reagent for the following transformation? Fe/HCI OLIAIH4 Br₂/NaOH NaN3 then heat +…

A: Answer:In this problem we have to find out the reagent that can reduce cyanide into amine. The…

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

A: We have given the organic compound and we have to find out the IUPAC name of the compound.

Q: A 4.75 L sample of gas is at STP. The sample is heated to 535 K and compressed to 210. kPa. What is…

A: At STP, T1=273K and P1 = 1 atmV1 = 4.75 LP2 = 210. kPaT2 = 535 KV2 = ?

Q: Which mass of barium in g is needed to react completely with 23.00 g of oxygen  Atomic masses O=…

A: The mass of oxygen is 23.00 g.The atomic mass of O is 15.999.The atomic mass of Ba is 137.33.To…

Q: 9. Provide a systematic name for the following compound? B5- A. 1,2,4-trimethyl-5-ethylcyclohexane…

A: Given,The molecule is:

Q: Barium chloride reacts with aluminum sulfate according to the equation: Al2(SO4)3 + 3BaCl2=’ 2AlCl3…

A: The objective of this question is to calculate the theoretical yield of AlCl3 when 6.00 mol of BaCl2…

Q: Rank the elements or compounds in the table below in decreasing order of their boiling points. That…

A: Answer:Boiling point of any compound is directly proportional to the strength of intermolecular…

Q: Item 22: Question Which will not result in a deviation from Beer's law? molecular interactions…

A: The objective of the question is to choose which will not result in a deviation from Beer's law.

Q: How much water should be mixed with 5000 mL of 85% (v/v) alcohol to make 50% (v/v) alcohol? 3500mL…

A: The objective of the question is to find out the volume of water that needs to be added to a given…

Q: Some chemical compounds are listed in the first column of the table below. Each compound is soluble…

A: An ionic compound is a compound where cations and anions are held together by a strong electrostatic…

Q: Be sure to answer all parts. Calculate AG for the following reaction at 25°C: 3Mg(s) + 2A1³+ (aq) =…

A: Oxidation is defined as an increase in the oxidation state of the element.It can also be defined as…

Q: The preparations of two aqueous solutions are described in the table below. For each solution, write…

A: Given,0.9 mol HBr is added to 1.0 L of a 0.9M NH3 solutionacids:bases:other:0.07 mol of HI is added…

Q: A physician prescribes 3 mEq/kg of NaCl to be administered to a 165-lb patient. How many mLs of…

A:

Q: Use the balanced equation for the combustion of octane to determine how many moles of H₂O are…

A: Given balanced chemical equation is 2C8H18 + 25O2 ------> 16CO2 + 18H2O

Q: Consider the following data on some weak acids and weak bases: name hydrofluoric acid hydrocyanic…

A:

Q: 2c) The following two-step mechanism was recently proposed as an alternative mechanism:

A: A question based on reaction mechanisms. A two step reaction is given whose arrow pushing mechanism…

Q: H3C. The functional group contained in the compound shown is a(n); amine carboxylic acid amide NH₂…

A: There are various functional groups used in organic compounds. Examples- Amine, amide, alcohol,…

Q: What is the total number of electrons that can be held in all orbitals having the same principal…

A:

Q: Draw the major product of this aldol addition reaction. Ignore inorganic byproducts. 1. NaOH + O H H…

A: In the aldol addition reaction, a new C-C bond is formed in the product when two carbonyl compounds,…

Q: if a copper pipe truns blue green this means? Be sure to identify the recation step?

A: Answer:When a pure metal comes in direct contact of environmental factors and turn into a new…

Q: Question 6 How many core electrons are in the following element? 15² 25² 2p 3s² 3p² 02 08 10

A: Core electrons are those electrons which are not valence electrons.Valence electrons are outermost…

Q: Propose a full mechanism using curvy reactions arrows for the following transformation. B

A: This is an example of [1,5]sigmatropic C-shift

Q: Determine the conjugate acid-base pairs in the following C₂02(aq) + HC₂H30₂(aq) = HC₂O4 (aq) +…

A: “Since you have posted multiple questions, we will provide the solution only to the first question…

Q: The number of neutrons in an ion with 20 electrons, mass number 50 and an ionic charge of +2 is O 30…

A: To find the number of neutrons in an ion, we can use the formula:Number of neutrons=Mass…

Q: Draw the structure of the repeating unit of the polyamide formed from this reaction. 201 ● H₂N NH₂…

A: Given is polymerization reaction.The given reactants are diamine and diacid chloride. Amine reacts…

Q: whatvolume of oxuhem has measured at 27 degrees celsisu and .987 atm is produced from the decomp of…

A: The objective of this question is to find the volume of oxygen gas produced from the decomposition…

Q: A fictitious reaction has the rate law shown below with a rate constant of 5.120x10-3 M/s. If the…

A: Given,rate = k[X],2Rate constant (k) = Initial concentration of X = [A]0 = 0.4000 MTime (t) = 440.0…

Q: Determine the pH of the' solution. (2 decimals) 0.21 M KI

A: Concentration of KI=0.21 MWe have to determine the pH of the soution

Q: HO Д HC но 0 0 одн

A:

Q: In the diagram below the V A+B Potential Energy has/have more energy than the La Reaction Coordinate…

A:

Q: ہے۔ Ph 0 cat H₂O* OH Ph ن OH H

A: Acetal hydrolysis is the process by which an acetal is broken down into its constituent alcohols and…

Q: Consider the reaction 4HCl(g) + O₂(g) 2H₂O(g) +2Cl₂(g) Using the standard thermodynamic data in the…

A: Answer:Here:

Q: please draw the structure of 3-ethyl-1,4-cyclohexadiene

A: IUPAC name of 3-ethyl-1,4-cyclohexadieneDraw the structure of this compound

Q: how many total molecules will be present when the reaction of 5,000 molecules of CS2 with 15000…

A: The objective of the question is to find out the total number of molecules present after the…

Q: 9. Provide the product of the following reaction: 0 A. O E10 EtO B. ΕΙΟ OH C. ELO 1) NaOEt 2) HO لة…

A: NaOEt acts as a base and abstract the acidic H from ester . H3O+ is used for acidic hydrolysis of…

Q: H2. Titrations are performed by a scientist in the laboratory as follows: a solution of deuterated…

A: A laboratory technique where the concentration of an unknown solution is determined using the volume…

Q: Predict the major product of halogenation of the given alkyne. B 0: + Br₂ 2 eq Click and drag to…

A: When one equivalent of the halogen is used the products of this reaction are trans…

Q: Draw the structure of the monomer used to produce the following polym segment using the ROMP method.…

A: To find the monomer that leads to the formation of the given polymer using the ROMP (Ring open…

Q: The equilibrium constant, K, for the following reaction is 1.80x104 at 298 K. NH₂HS(s) 2 NH₂(g) +…

A:

Q: Which of the following statements is not true? Select only one answer. A) Crown ethers complex…

A: Crown ethers are chemical compounds composed of a ring containing several ether groups (R−O−R'). The…

Q: A 4.0 M solution of KNO3 has a volume of 4.9 L. If the solution is diluted to 7.0 L, what is the new…

A: Initial volume=V1=4.9LInitial concentration=M1=4.0MNew volume=V2=7.0LNew concentration=M2=?

Q: A student researcher performed a chromatographic separation of caffeine and aspartame. The retention…

A: Retention time for caffeine (tc) = 200.8 sbaseline peak width for caffeine (wc) = 16.1 sRetention…

Q: References Submit Answer Use the References to access important values if needed for this question.…

A: The objective of the question is to find the maximum amount of barium sulfate that will dissolve in…

Q: Indicate the position, axial or equatorial, of the substituents in the more stable chair…

A: In chair conformation the bulkier substituent isopropyl must be present at equatorial position it is…

Q: nd Consider the reaction 25O₂(g) + O₂(g) →→2SO3(g) Using standard thermodynamic data at 298K,…

A: Answer:Here, ai are the stoichiometric coefficients of respective products and reactants.

Q: 12. Which of the following processes would release the least energy per mole of product produced? A.…

A: The enthalpy change during the formation of one mole of ionic crystal from cations and anions is…

Q: [References] Use the References to access important values if needed for this question. The molality…

A: Given,mole fraction of aqueous potassium bromide solution = 2.48 mol/kgmole fraction of aqueous…