8. Which of the following are synthetic polymers? a. polyamide b. rubber c. Kevlar d. all of the above 9. Teflon is an important synthetic polymer that is used for non-stick cookware. What is another name for Teflon? a polytetrachloroethene b. polybutadiene c. polytetrafluoroethene d. polypropene

Q: OH ZI HN Н OH

A: =>  The carbon center in the molecule which is         responsible for the stereoisomerism in the…

Q: Calculate the potential of a Zn2+/Zn concentration cell, for aZn2+=0.05 activities in one half-cell…

A: In the given question we have to calculate the cell potential of concentration cell. First of all,…

Q: 3. Draw a Lewis structure for all the branched cations with the molecular formula [C3H₂N]*

A:

Q: What is the formal charge on the central Xe in the best Lewis structure for the XeO3? a. +2 b. -2…

A: Lewis structure is the representation of valence shell electrons of an atom.We have been asked the…

Q: Directions: Complete the chart. Make sure you simplify each formula. Name Cation Present Anion…

A: A compound is formed by the electrostatic interaction between the cation and the anion. The cation…

Q: Zinc (Zn) and sulfur (S) react to form zinc sulfide (ZnS) according to the equation: Zn + S→ ZnS…

A: Given, Zn + S ----> ZnS moles of Zn = 1.39 moles moles of S = 0.93 moles Limiting reagent = ?…

Q: Oxygen is a very good oxidizing agent. O True O False

A: Here, we have to find whether oxygen is a good oxidizing agent or not.

Q: A. Write "T" if the statement is true and "F" if the statement is false. 1. Metals are good…

A: Properties of metals - Metals generally have low ionization energy and low electron affinity due to…

Q: 5. An unknown compound, has the formula C7H₁4O. Explain and elucidate the structure by scrutinizing…

A: DBE is Double Bond Equivalent.  This DBE value gives idea about number of doublr bond, triple bond…

Q: convert 0.375ml to ul

A: Answer :    1 ml = 1000 ul                   So 0.375 ml = 0.375 * 1000 ul…

Q: Perform a retrosynthetic analysis and suggest a synthesis of the target molecule (on the left) from…

A:

Q: PROBLE 11-1. The ionization constant for hypochlorous acid is K = 3 x 10-8. Determine the percentage…

A:

Q: Find the volume of 3.0 × 1025 molecules of Neon gas at STP.

A: We know that, at stp ( standard temperature and pressure) 1 mole of any ideal gas occupies the…

Q: Calculate the percent by mass of chlorine in ammonium chlorate

A:

Q: Option ОН Option 3 OH OH OH EtOH Option 2 EtOH Option 4 EtOH ОН OH

A: Hemiacetals are formed by reaction of alcohol with carbonyl compound in presence of acid this…

Q: всесод+ 2Hд роц-р саз сро +22+ 3C0, + 30 на Given 3. 25 mol са сод 475 дор #з роу Find the i L.K.T.y…

A:

Q: A) For reaction 2A(g) → C(g) the following experimental data were obtained Total pressure (mmHg) 200…

A: Ans A1. Given reaction 2A(g) = C (g) Lets rate is given, Rate (R) = -(1/2)(ΔC/Δt) =…

Q: ) Consider the reaction:  A  ⇌ B + C  Kc = 1.2. If the initial concentration of [A] = 0.610 M what…

A: the reaction: A ⇌ B + C Kc = 1.2. If the initial concentration of [A] = 0.610 M

Q: Calculate the [OH-] in a solution where 0.050 mole CH3NH3Cl is added to 200.0 mL of 0.50 M in…

A: The given solution acts as a Buffer solution. The solution that resists the change in pH is known as…

Q: What is Ion Chromatography? Then, briefly describe the methodology employed in the study. Emphasize…

A: Ion chromatography- Ion chromatography system separates ion and polar molecule . It is basically…

Q: Calculate the hydroxide ion concentration in a 0.0100 M sodium hypochlorite solution. The acid…

A: We need to find the concentration of OH- ion in the 0.0100 M sodium hypochlorite solution. We are…

Q: Name the following compound (IUPAC) 1. 2. 3. 4. How Steps Che مهر CH₂ Br CH,—NH Н

A:

Q: CO₂CH3 NEC CH3 -N=N- CH3 +N= CH3 A -CEN CH3 Use the bracket notation

A: AIBN - AzobisIsoButyroNitrile is widely used as a radical initiator. Presence of AIBN drives…

Q: 5. Which of the following is true of orbitals? a. They are two-dimensional paths around the nucleus.…

A: We have to select the correct statement from the given options with respect to orbitals.

Q: (O₂N 1015MSC Chemistry of Biological Systems II N CI 99+

A: The selected functional groups and their names are listed below:

Q: 12. You have a chemical substance that has a molecular weight of 257.7 g/mol. You have 4.8 * 10…

A: Given - Molecular weight of substance= 257.7 g/mol We have 4.8×10^8 molecules/m^3

Q: Solve for u. 14-2=121/12 3 Simplify your answer as much as possible. U= 010

A: ->For solving equation first of all unknown terms come to one side .

Q: 23.  What effect makes the chloride a good leaving group in acyl chloride? a. +I b. -I c. +M d. -M…

A: Positive inductive effect(+I): The atom or group which donates electron density to the molecule is…

Q: What molecular interactions explain the observed solubility class of urea?

A: Solubility of Urea.

Q: The unit of density for 0.02109 four Otwo Ofive three

A:

Q: Which one of the following statements is false?     Valence bond theory and molecular orbital…

A: Distinct atoms and their individual atomic orbitals serve as the primary actors in the Valence Bond…

Q: 4. Give the IUPAC names of each of the following: CH₂ HCH₂CH₂ H. H CH3 H H CH₂CH(CH3)2 H___H Η…

A: The rules for nomenclature are -Rule 1 :- The longest chain in the molecule is decided first and,…

Q: Why do(es) lone pair(s)/nonbonding pair(s) around the central atom in a molecule usually "make(s)"…

A: In the given compound we have to find out the polarity shape and difference between…

Q: Suggest reagents and mechanism for this reaction. D H H N

A: We know in case of indole nucleophilic substitution reaction takes place at position 3 .

Q: quat

A: The Karplus equation is a mathematical relationship used to predict the coupling constant (J-value)…

Q: (a) A compound A has the molecular formula C₂H₁3CIN₂O. How many rings and/or bonds does it contain?…

A: The unsaturation number tells about the number of double bonds, triple bonds, or rings. The formula…

Q: To a solution containing 0.020 mol L-1 Pb(NO3)2 (aq) and 0.0010 mol L-1 AgNO3(aq) chloride ions are…

A:

Q: Draw complete reactions for:   An esterification of propan-1-ol and ethanoic acid   A…

A: We have to draw the complete reaction for the given reactions. Given that, An esterification of…

Q: 2. Account for the bond angle differences between (i) H-C-H (109.5°) in methane and H-S-H (90°);…

A: Bond angles

Q: Identify which of the following compounds is expected to have the larger heat of combustion:

A: we have to determine which of the given compounds has higher heat of combustion

Q: Which of the following would be the major product in the following reaction sequence? 1) Br₂, hv 2)…

A:

Q: I do not understand Which of the following will have lowest vapor pressure? A. 1M salt water…

A: We know that Lowering of vapour pressure is a colligative property. Therefore it depends upon the…

Q: In order to answer the question, how much heat is required to convert 135 g of ice at -15 °C into…

A: Given,Mass of ice = 135 gTemperature of ice = - 15 °CTemperature of water vapor = 120 °CRequired,…

Q: In(Concentration) -8.5 -9.0 -9.5 -10.0 -10.5 100 200 300 400 Time (a) 500 600 700 800 900

A: Slope = tan theta= dc/dt  =-8.5/900 =-1.5/180

Q: The boiling points for the compounds are 118 °C and 35 °C respectively. The solubility for both…

A: Ethers don't have a hydrogen atom attached to the oxygen atom like alcohols do (that is, no OH…

Q: Select the naming violation for iron iodide. Please copy/paste one of the following violations…

A:

Q: Why is cellular respiration an example of a redox reaction? There is a long series of electron…

A: •Cellular respiration:- Cellular respiration occurs via electron transport chain. •Here is electron…

Q: What is the starting material? What is RX? Synthesize this product. CH3 CH3CHCH₂-OH…

A:

Q: 26. CH, CH OH H3C- -CH-CH-CH3 What is the correct name for the above compound? a. 2-methyl-3-butanol…

A:

Q: H. I OH O Borohydride reduces both ester and ketone OH O Borohydride reduces the ketone only BH4 I…

A: We have find out the product of the reaction.