Q: How long does it take a 11.1 : 108 Bq sample of gold- 198 to decay so that only 1.39 : 108 Bq remain...
A: Given: Initial amount, A0=11.1 : 108 Bq After the time 't', the amount, A= At=1.39 : 108 Bq
Q: A kinetics study had these data for the reaction A +B+C→ Products. [A]o (M) Blo (M) [Clo (M) Initial...
A:
Q: This gra V ows how the vapor pressure of three liquids varies with temperature: 900- 800 700 600 500...
A: Given: A graph:
Q: How do I finish this problem? I’ve done a,b, and c.
A: The electrode which has less negative reduction potential will act as a cathode and will undergo red...
Q: Chemistry Question
A: Ionic compounds are formed by the transfer of electrons from cations to anions. In the ionic compoun...
Q: A liquid is exposed to infrared radiation with a wavelength of 3.14 x 10^-4 cm. Assume that all the ...
A: Given : Wavelength of photon = 3.14 X 10-4 cm = 3.14 X 10-6 m (since 1 ...
Q: What is 242 lb converted to milligrams? What is 68.3 cm^3 converted to cubic meters? What is 7.2m^3 ...
A: 1 lb = 453592 milligrams. 1 cubic cm = 1×10-6 cubic meters. 1 cubic meter = 1000 litres. 1 mg = 2.2...
Q: What are the oxidation states of the sulfur atoms in the S2O3 2 - ion?
A: The number of electrons gain or lose by an element in order to complete the octet is known as the ox...
Q: Application: Types of Radioactivity 1. Write the balanced nuclear equation describing alpha emission...
A: As per our guidelines since you have posted multiple questions, we will answer the first two questio...
Q: 13. A complex ion has been observed which starts with a violet color with six aqua ligands attached....
A:
Q: When 2.0 mol of a monatomic perfect gas with Cy,m= 3/2 R, initially at 27°C and 10 atm is allowed to...
A: Entropy change of a process is the same, whether it is taking place isothermally or adiabatically. F...
Q: 4. Calculate the [OH-], [H3O+], pOH and pH of a 0.0750 M NH3 Ka NH4+ = 5.70 x 10 -10
A: The [OH-], [H3O+], pOH and pH of a 0.0750 M NH3 are to be calculated. Given: [NH3] = 0.0750 M Ka NH...
Q: Write the formulas for each of the following named compounds: a) hydrosulfuric acid b) cuprous chlor...
A: The chemical formula provides a way to represent any chemical substance using the symbols of the ele...
Q: 1) Elements are made from a single type of Compound Molecule Atom Proton Chemical Advertisement | Re...
A: Element is a substance whose atoms have same number of protons. It cannot be decomposed into much si...
Q: Consider the following hypothetical acid-base titration where A represents the acid and B represents...
A: Now, consider the given hypothetical equation as; 3 A + 2 B → Salt + water From the given balanced...
Q: Thermodynamics- In an isothermal expansion of REAL gas, will there be an entropy change as the vol...
A: Entropy is the measure of randomness. Isothermal process is carried out at constant temperature.
Q: Products of methionine degradation include all of the following except a. succinyl-CoA b. glutamate-...
A: To find: The product which is not obtained in the methionine degradation
Q: A titration experiment required 34.85 mL of NaOH, which had a concentration of 0.350 M, to reach the...
A: In chemistry, there are many ways to check the deviation of experimental data from the accurate valu...
Q: 9) Which one(s) of the following compounds are diastereoisomers? он он OH он он он OH IV O None of t...
A: Welcome to bartleby !
Q: A mixture of one part nitrogen and three parts hydrogen is heated, in the presence of a suitable cat...
A: The reaction is as follows .N2g+3H2g→2NH3g.ACCORDING TO LAW OF EQUILIRIUM FOR GAS PHASE REACTION.KP=...
Q: The kinetics of the reaction, A + B → P, were studied and it was determined that the reaction rate d...
A: Since you have multiple questions, we will solve only first question for you. If you want answer for...
Q: Isooctane is the primary component in gasoline. Which intermolecular force is primarily associated w...
A: Isooctane is also called 2,2,4-Trimethyl pentane is an important isomer of octane. The formula of is...
Q: Calculate the standard enthalpy of formation of NO(g) (in kJ/mol) from the following data. N,(g) + 2...
A: N2(g) + 2O2(g) -------> 2NO2(g). ∆H0298 = 66.4 kJ 2NO(g)+ O2(g)---------> 2NO2(g). ∆H02...
Q: The reaction 2H2(g)+2CIO(g)------->2H2O(g)+ CI2(g) is first-order in H2 and Second-order in CIO. ...
A: Rate law: The mathematical expression which relates the rate of reaction with the concentrations of ...
Q: Plz do Asap...! Que 3
A: We know that, melting point is defined as a specific temperature range in which a solid compound is ...
Q: 16-8 What are the advantages of an FTIR spectrometer compared with a dispersive instrument?
A: FTIR spectrometer is an instrument that is used to get spectral data of emission of a solid, liquid,...
Q: Attached problem
A: The change in enthalpy of any reaction is not based on chemical path taken from initial reactant to ...
Q: question (d) and (e)
A: Bromination of methane in the presence of a solvent is a free radical substitution reaction. The mec...
Q: Why is it important to wait for the temperature to stop rising before taking the first data point wh...
A: In chemistry, accuracy and precision is very important when temperature is measured. When an error o...
Q: How many grams of a compound containing 99.73% AgNO3 by mass should be taken to prepare a 0.0234 M 1...
A: answer C
Q: Using the accompanying tables, determine. at 25C: C3HB() + 502(g)- 3 CO2(g) + 4H2O(g) the value of A...
A: Given: The reaction, C3H8(l)+5 O2(g)→3 CO2(g)+4 H2O(g) Temperature, T=25°C=298 K
Q: Solutions containing the Ferrous ion, Fe2+, are sometimes titrated with KMN04 with the two half-reac...
A: Welcome to bartleby !
Q: What volume of CH4 at 0oC and 1 atm contains the same number of molecules 0.50 L N2 measured at 27oC...
A: This problem can be solved by using combine gas law .The combined gas law is the law which combines ...
Q: A student prepared a 0.0750 M NaOH solution for a titration experiment. If it took 25.52 ml of the N...
A:
Q: 1. Consider the reaction: Cl2 + 3 F2 2 CIF3 Complete the table. A[CL]/At -0.012 M/s A[F2]/At ACIF3/A...
A: Rate of a reaction is the rate of change of concentration of products and reactants with respect to ...
Q: Explain why the rate stops increasing and levels out.
A:
Q: how do I express the mass in milligrams as an integer.
A:
Q: Which of the following has the S4 rotation-reflection axis? A. NH3 B. CH4 C. BF3 D. C2H2 e.CO2
A:
Q: What volume of water in gallon would be required to fill 25ml container?
A:
Q: Which one of the following compound is not polar?
A: Polar and nonpolar depends upon electronegativity difference between two bonded atoms Homodiatomic...
Q: Number 45
A:
Q: Isn't 'O' the right answer for question Part A or am i wrong if so can someone please help with thes...
A: In the isotopic symbol of a nuclide, ZXA z indicates the atomic number which means the number of pro...
Q: What are the number of protons, neutrons, and electrons in the following isotopes?
A: Atomic number of an element is equal to the number of protons present in it which is written as subs...
Q: A particular solution of 10 mL NaOH is supposed to be approximately 0.1000 M. To determine the molar...
A: This problem can be solved by using molarity equation which may be expressed as ; M1V1=M2V2
Q: A solution is made by dissolving 25.0 g of magnesium chloride crystals in 1000. g of water. Determin...
A:
Q: What structural relationship is indicated by the term D-sugar? Why are (+) glucose (shifts polarized...
A: Sugars are carbohydrates and they have notations such as D and L-sugar which are enantiomeric forms ...
Q: Some chlorofluorocarbons, CFCS, are formed from carbon tetrachloride, CCI., which can be made from t...
A: The reaction considered is,
Q: 6. Balance the following equations and cla ssify each of the following as decomposition (D), combina...
A: Note: Since you have posted multiple questions and with many subparts. We have solved the first one ...
Q: When 13.99 mL of HCl of unknown concentration (but less than that of the base) are reacted with 15.0...
A: Given data: Volume of HCl used = 13.99 ml Heat released = 1.74 kJ Formula used: Molarity ...
Q: Seawater contains 3.4 g salts for every liter of solution. Assuming the solute consists entirely of ...
A: The formula to find the osmotic pressure is as follows, π = MRT where, π = osmotic pressure M = mola...
Step by step
Solved in 2 steps
- (CH2) (CH) One or more of the monomers below are needed to make the polymer Choose which one(s). но- (CH2)4 O NH2-(CH2)6–NH2 CI O H H. CN9.) Which monomer could produce this polymer? CH- 9. Which monomer could produce this polymer? CH3 (B) (C) H3C (D) (A) [(CH3)2CH],NLi (LDA) CH3I 10. What would be the product of this reaction sequence? -78°C H3CO N[CH(CH3)2] LiO- (C) (B) (D) (A) CH3 H* Cl2 KMNO4 11. What is the product of this reaction? OH", heat CH;OH FeCl3 LOCH3 CO2H OCH3 Co,CH3 Co,CH3 (A) (B) (C) (D) CI CI Zn (Hg) Br2 12. What is the product of this reaction wequence? CI Br AICI3 AIBR3 HCL Br (A) Br (B) (D) (C) CH2Br(d) Another variation on this type of polymer is used in hair gels. In these, the polymer chains are cross-linked by a compound known as pentaerythritol. но- OH но- OH pentaerythritol ( By what type of chemicat reaction are the cross-links in this polymer formed? (i) it is important that the gel should be easily washed out of hair What is it about the structure of the polymer that allows this to happen?
- 1. Write the structure of the monomer(s) used to synthesize the following nonvinyl polymers. a) b) -NH· CH2 CH2 0 CH2 CH2 CH2 CH2 CH21 -NH- (10 points) (10 points) c) Which of the polymers is synthesized via addition polymerization? Which of the polymers is synthesized via condensation polymerization? (5 points) n d) If the Mɲ of the polymers given in part a and b are 40000 Da, what are their degree of polymerization (DP) values? (10 points)From any monomers you choose, Explain how the following polymers can be produced [Answer five only] 1- Polymer ues in Digital Disks (CDs, DVDs, ) 2- Alternating styrene-Butadiene rubber 3- Sponge polymer 4- Polymer used in the clothing, carpets and fishing line. 5- Crosslink polymer 6- Poylmer ues for Corrosion protection of offshore structures.NH2 Dry-erase boards, or whiteboards, in classrooms consist of a network polymer similar to Bakelite that is made from formaldehyde and melamine. (a) Propose a structure for the polymer formed. (b) Why is this type of polymer suitable for use in whiteboards? 'N. H2N `NH2 Melamine
- (CH2 (CH₂ n One or more of the monomers below are needed to make the polymer Choose which one(s). OH H H H H CH HO-(CH2)4--OH ONH2 H -(CH2)6-NH2 X H CIWhen certain cycloalkenes are used in metathesis reactions, ringopening metathesis polymerization (ROMP) occurs to form a highmolecular- weight polymer, as shown with cyclopentene as the starting material. The reaction is driven to completion by relief of strain in the cycloalkene.What products are formed by ring-opening metathesis polymerization of each alkene?List the following group of monomers in order of decreasing ability to undergo cationic polymerization.
- A3 Anionic polymerization of styrene is generally known to produce polymers with a narrow molecular weight distribution. Explain the reason for this.Question 4. Methylvinyl ketone (MVK) can undergo a polymerization reaction in the presence of AIBN initiator to produce a poly(methylvinyl ketone) polymer according to the scheme below. NEC H3C CH3 `N=N₂ CH3 CEN CH3 azobisisobutyronitrile (AIBN) CH3 methylvinyl ketone (MVK) heat CH3 H3C NEC n poly(methylvinyl ketone) a) Provide the mechanism for heat-induced decomposition of the AIBN initiator to produce a reactive radical species. CH3 NEC H3C `N = N heat CH3 CEN CH3 10 0-0 b) Provide a mechanism for the initiation step in the MVK polymerization reaction: c) Show the mechanism for the propagation step to form an MVK oligomer with n = 3: branched sidare tass xy ha etCH2 -CH2 -(CH -O- One or more of the monomers below are needed to make the polymer Choose which one(s). H H. H- -C- он он H H. H,N- NH2 но- (CH2)4 -O- H H H CH3 (Previous
