Question 9 Mark all required conditions under which a polymer displays rubbery behavior. temperature must be lower than glass transition temperature polymer must have a fraction of crystalline structure molecules must be in amorphous state polymer must be crosslinked eother chemically or physically temperature must be greater than glass transition temperature entropic restoring force is negative

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A: Amides undergo hydrolysis in the presence of acid or base to give carboxylic acid and amide as the…

Q: How many signals would be present in the ¹HNMR? 02 05 04 O 3 01

A: The structure of the given organic compound is     The number of signals in the 1H NMR spectrum is

Q: We will investigate the solubility of barium sulphate, BaSO4(s). The molar mass of BaSO4 is 233.40…

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Q: Chemistry A 25.00 g sample of a hydrocarbon undergoes combustion, producing 82.39 g of CO2. What is…

A: Given Weight of hydrocarbon = 25.00 grams CO2 produced = 82.39 Now we have to calculate the…

Q: A solution has 2.42 mmol L-1 total phosphate (pKa = 2.1, 6.8, 12.4). If the pH of the solution is…

A: We need to use the Henderson Hasselbalch equation to calculate the concentration.  The given pH is…

Q: 7. Identify the given reactions as acid-base, redox, or precipitation reactions.…

A: Acid base reaction:  The reaction in which an acid and a base react to give salt and water. Redox…

Q: Calculate the enthalpy change when 240 g of ice melts. AHfus is 6,009.5 J/mol.

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Q: Predict the products of this organic reaction: Mot + H₂O H Specifically, in the drawing area below…

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Q: Draw the condensed structure of the organic molecule that produces sodium propanoate when reacted…

A: Carboxylic acid reacts with NaOH to give up Hydrogen ion and form sodium carboxylate. Alcohol and…

Q: 1. Predict the sign of ∆S for the following reaction. a. negative b. positive c. no change   2.…

A: Entropy  It is an measure of randomness present in the system. More is randomness, more is the…

Q: The drug below has which acid derivative functional group? HN. OH O OH N. O= N N x IZ

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Q: Hydrogen reacts with nitrogen to form ammonia by the following equation: 3 H2(g) + N2(g) → 2 NH3(g)…

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Q: Suppose you burn a 2.0 g sample of potato chips. You use the heat given off from that process to…

A: Mass of potato chips = 2.0 g mass of water = 34.5 g Initial Temperature of water (Ti ) = 16.2 0C…

Q: How many grams of solid sodium cyanide should be added to 0.500 L of 0.289 M hydrocyanic acid…

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Q: Consider The Following Reaction: CaCO3(S) + 2HCl(Aq) = CaCl2(Aq) + H2O(L) + CO2(G)  Write down the…

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Q: Fractional distillation can be represented on a temperature-composition diagram using a stair-step…

A: Here we have to  predict true or false about the  given statement regarding  distillation of binary…

Q: Prelaboratory Assignment: Vapor Pressure of Water 1. The data below are for the vapor pressure of…

A: We can plot ln(P, mmHg) Versus 1T(K) by taking ln(P, mmHg) in Y-axis and 1T(K) in X-axis.

Q: Provide the correct systematic name for the compound shown here. N,N- 4- di 5- 2- 3- N- tetra tri…

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Q: A solution is prepared at 25 °C that is initially 0.10 M in trimethylamine ((CH,), N). a weak base…

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Q: A solution containing 8.95 mol NaOH is titrated with H2SO4, a diprotic acid. How many moles of H2SO4…

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Q: For the equilibrium 3H₂(g) N₂0)2NH, (g), the equilibrium partial pressures are -0.00239 atm,…

A: Given that: Equillibrium partial pressure: PNH3 = 0.00239 atm  PH2 = 0.763 atm  PN2 = 0.921 atm…

Q: Gallium arsenide and gallium phosphide both have zinc blende crystal structures and are soluble in…

A: We need atomic weight and density

Q: a.) Is a meso b.) has an enantiomer c.) is achiral. d.) has multiple diastereomers.

A: The molecules with the same molecular formula but different structures are known as isomers. If the…

Q: Select all molecules with a "singlet" ¹H NMR splitting pattern for the indicated hydrogen. & XX B D

A: For singlet splitting pattern, there are no neighbouring hydrogens for indicated proton.

Q: 4. Draw all of the target products for the reactions below. Identify the major product(s). a. HINT:…

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Q: quesion 2

A: Previous answer is correct the only wrong thing is in the final answer ....units of heat flows into…

Q: Heating a 24g aluminum can raises its temperature by 15.0°C. Find the value of q for the can.…

A: Given data :  Weight of Al (m) = 24 g  Temperature (∆T) = 15.0°C  Specific heat (c) = 0.900 J/g °C…

Q: Using the regression equation below, calculate the molar absorptivity with 1cm path length y=…

A: Given: Linear regression equation y = 0.1015x + 0.0327 path length = 1cm To calculate: Molar…

Q: What is the IUPAC name for the compound shown?

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Q: 3- calculate the number of (O) atom in 1.5 g of glucose (C6H₁206).

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Q: Explain and draw why cycloheptatrienyl iodide unlike cycloheptyl iodide is insoluble in nonpolar…

A: Polar/ionic compounds tend to be soluble in water and insoluble in  non-polar solvents

Q: OH CH₂(CH2)3CHCH2 SH CI H3CO OH to

A: During IUPAC naming OH takes precedence over SH Stereochemistry of molecule is prefixed

Q: Part A If an aerosol can contained 350 mL of CFC gas at a pressure of 6.0 atm, what volume would…

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Q: Report Table CP.3: Specific Heat of Calculations for the Specific Heat for an Unkhown Metal Mass of…

A: Specific heat : It is the amount of heat required to raise the temperature of 1 g of any…

Q: 2. Provide the reagents required to complete the following multi-step synthesis. Write the structure…

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Q: Write the mechanism for E-Stilbene reacting with HBr and H2O2

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Q: 9. Calculate the longest wavelength (in um) of light emitted by an excited hydrogen atom in which…

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Q: In the RICE table started for calculating equilibrium concentrations of the reaction ML (ap) M² (aq)…

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Q: 5. What is the number of allowed energy levels with energies less than 20 eV for an electron in a 1D…

A: The particle in a box model describes a particle free to move in a small space surrounded by…

Q: 2. Identify the functional group in each molecule shown below A) CH₂-OH B) CH OH | CH₂-OH ework 1…

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Q: CI H₂, Pd/C, BaSO4, quinoline, S

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Q: What is the 14C14C activity in decay events per minute of 1.0 gg of a 3000-year-old wooden object?…

A: We need to find the 14C activity in decay events per minute of 1.0 g of a 3000-year-old wooden…

Q: Gases are different from solids and liquids. In a sample of gas, the molecules are far apart. The…

A: We would use required conversion factors to calculate the pressure in required unit.

Q: Draw all the possible resonance structures for the chromate ion. How many resonance structures can…

A: We need to draw all the possible resonance structures for the chromate ion. Chromate ion is CrO42-

Q: Use the half reaction for pyruvate oxidation to compute the following at 25 °C. CH,COCOO-(pyruvate)…

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Q: 5. Phosphate buffer is commonly used in biochemical work due to its second pka of 7.2. The two forms…

A: "Since you have asked multiple questions, we will solve the first one for you. For the remaining…

Q: Select the best reagent to accomplish the following transformation. Selected answer will be…

A: In this reaction, double bond is substituted by H and OCH3 . So for this reaction, we need an acid…

Q: Draw the Lewis structure of ozone (03) and then determine its electron domain and molecular…

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Q: 12. Put the following species in order of increasing atomic radius: A) N<F<AI<Si <K B) F<K<Al<Si <N…

A: In modern periodic table down the group the radius of atom increases due to the successive addition…

Q: An engine generates 15.7 g of nitric oxide gas during a laboratory test. How much heat was absorbed…

A: Given -&gt; N2(g) + O2(g) ---&gt; NO(g) ∆H°= 180.5 KJ ---- (1)  Weight of NO = 15.7 gm

Types of Polymers on the basis of Method of Preparation