The melting of the parallel polymeric chains reduces Tg True False Adding a plasticizer to the polymers reduces Tm True False Branched polymers are .brittle True False O

Q: Fumaric acid is an organic compound composed of 41.39% Č, 3.47% H, and the rest oxygen. If 0.153 mol...

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Q: 24.72-mL sample of hydrochloric acid solution requires 25.00 mL of 0.105 M sodium hydroxide for comp...

A: Sodium hydroxide react with hydrochloric acid and produced sodium chloride

Q: Determine enthalpy of activation, entropy of activation, free energy of activation (25 degC)

A: Given:  

Q: A 600.0 mg sample consisting of only CaC2O4and Mg C2O4is heated at 500oC converting the two salts to...

A: Answer: This question is based on the stoichiometric calculation where ratio of the mass of a reacta...

Q: TRUE OR FALSE 1. As concentration of all solutions increase, boiling point also increases 2. An incr...

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Q: . Aluminum (Al) reacts with chlorine gas (Cl2) to form aluminum chloride (AIC13) according to the ba...

A: Given :-  2Al(s) + 3Cl2(g) → 2AlCl3(s)  Mass of Al = 10.0 g  Mass of Cl2 = 35.0 g  To calculate :-  ...

Q: What is the pH of a 0.40 M solution of benzoic acid, C6H5COOH? (The Ka value for benzoic acid is 6.3...

A: given :- concentration of benzoic acid = 0.40 M  Ka for benzoic acid = 6.3 × 10-5  To calculate :-  ...

Q: The pH of an aqueous solution of 0.061 M ascorbic acid, H2C,H606 (aq), is

A: Please find your solution below : pH is the measure of extent of H+ concentration and the extent of ...

Q: Question 5 A 20.00 mL aliquot of 0.200 M KI is added to another aqueous solution whose volume is 30....

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Q: correct balanced equation for the chemical reaction described below. Ammonium carbonate and aluminu...

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Q: (B) Give the conjugate acid of the following Bronsted-Lowry bases: ( i ) O2- ( ii ) H2PO4- Group ...

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Q: How do solute particles lower the vapor pressure and elevate the boiling point? Choose all that appl...

A: Since you have asked multiple question, we will solve the first question for you. If you want any sp...

Q: OH OH OH I II III IV V А) I В) II

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Q: Question 4 459 C of charge is passed through a solution of AICI3(aq). Determine the number of moles ...

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Q: Refer to the given HNMR spectra, and determine the structure of the molecule. Corroborate your answe...

A: Solution: We know organic spectroscopies are most important for structure determination of unknown c...

Q: For the following statements about chemical equations, check the boxes that represent true statement...

A: Please find your solution below : Chemical reaction is described by a chemical equation. Chemical eq...

Q: A system does 551 kJ of work and loses 236 kJ of heat to the surroundings. What is the change in int...

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Q: What is the name of the organic product created when hex-3-ene is reacted with water in the presence...

A: Hydration of alkene: Alkene gives hydration reactions in presence of an acid catalyst. The reaction ...

Q: Below is a plot of a typical cooling curve of substances. Describe what happens to the phase and tem...

A: This is a cooling curve , when phase transformation occur temperature remains constant 

Q: Identify the products X and Y in the following reactions and propose suitable mechanism for their fo...

A: ->SeO2  is oxidizing agent and give alpha oxidation.  

Q: One liter of 25% solution is mixed with 3 liters of a 40% solution.What is the percentage of sugar i...

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Q: b What is the net ionic equation for the reaction of solid barium carbonate and hydrogen bromide in ...

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Q: At 1.00 atm, how much energy is required to hear 71.0 g H20 (s) at -22.0degrees C to H20 (g) at 163....

A: 1.)  To calculate the energy required to heat water , we would consider five steps .  a.) As water i...

Q: What is the name of the nucleotide that contains a single phosphate group, the base uracil and deoxy...

A:

Q: What number of molecules (or formula units) are present in 3.07 g of each of the following compounds...

A: Given,  Mass of each compound = 3.07 g  Then,  Find number of molecules in = ?  a). NH3  b). N2H4  ...

Q: B10

A: Correct option is B

Q: O ADVANCED GENERAL CHEMISTRY Calculating an equilibrium constant from an equilibrium. Nitrogen and h...

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Q: Consider the following unbalanced chemical equation. C5H12(/) + 02(g) → CO2(g) + H20(/) If 13.5 gram...

A: Consider the following unbalanced chemical equation. C5H12(l) + O2(g) ----> CO2(g) + H2O(l)   If ...

Q: . What willI be the pH if 75 ml 1.0 M HCI is added to 100 mL of 1.0M NAOH?

A: Hydrogen ion concentration is an important parameter of an aqueous solution. The concentration of th...

Q: 11. The conducting loop in Fig- ure Q25.11 is moving into the region between the magnetic poles show...

A: Concepts and Reasons :The concepts needed to solve this problem are the force of charge in a magneti...

Q: 7. D-glucose, blood sugar, exists in two forms; ring open and ring closed. Don’t worry about the che...

A: Let's understand all of these one by one. Assignment of the priorities of the groups or atoms in a F...

Q: Predict whether each of the following bonds is nonpolar covalent, polar covalent, or ionic. Be and ...

A: The ionic bond is an electrostatic attraction force, formed between the ions and it is a strong bond...

Q: Which of the following compounds would produce the highest concentration of I ions when 0.10 mol of ...

A:

Q: in your own words, explain the browning reaction that occurs in cooking ground pork

A: The correct answer is given below

Q: European friends tell you they are pleased because their new car gives them 15 kilometers per liter ...

A: Given -> Fuel = 15 kilometres per liter 1 mile = 1.6 Km 1 gallon = 3.8 liters  

Q: A chemist prepares a mixture of ethanol and water at a temperature of 23.0 °C. He measures out 38.5 ...

A:

Q: A solution is made by dissolving 27.7 g of chromium(II) sulfate, CrS04, in enough water to make exac...

A: given :- mass of CrSO4 = 27.7 g                volume of solution = 500 mL  To calculate :- molarity...

Q: Fes04(s) + 4 H2(9) 1. Consider the following chemical equation. a. How many moles of Fe3O4 can be ob...

A: Given - 3Fe+4H2O->Fe3O4+4H2  Weight of Fe=16.8g  Weight of H2O=10g

Q: 11.35 mg KI in 110.1 mL of solution Express your answer using four significant figures. molarity = %...

A:

Q: Using the 13 rule and Hydrogen deficiency indicator (HDI) determine the molecular formula and propos...

A: The molecular mass of the organic compound from the mass spectrum was found to be 78 (molecular ion ...

Q: The acid dissociation constant K, of carbonic acid (H,CO,) is 4.5 x 10. Calculate the pH of a 2.9 M ...

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Q: A volume of 500.0 mL of 0.110 M NaOH is added to 525 mL of 0.250 M weak acid (K, = 2.53 × 10–5). Wha...

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Q: What is the net ionic equation for the following molecular equation? Hydrocyanic acid, HCN, is a mol...

A: The net ionic equation is

Q: Calculate [H+] for each of the following solutions, and indicate whether the solution is acidic, bas...

A: GIVEN :-  (a) [OH-]= 0.00045 M; (b) [OH-]= 8.8 X 10-9 M; (c) a solution in which [OH-] is 100 times ...

Q: Electrolytes 5 of 9 If a solute produces ions when dissolved, it is called an electrolyte because th...

A: The substances which dissociate into ions (cations and anions) when they dissolve in polar solvent l...

Q: a. Calculate the molar mass of P205. Molar masS = g/mol %3D b. Calculate the molar mass of Caz (PO4)...

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Q: The hydrogen ion concentration of a basic solution is 9.70 × 10-10 M. What is the pH of the solution...

A:

Q: assiry eacN of the TOlTOwIng substantes: Clear All H+ Lewis Acid BCI3 Lewis Base H20 Can act as eith...

A: We have lewis acid and bases

Q: 6. An aqueous solution A is prepared by dissolving 0.1 mol potassium chloride and 0,1 mol sodium nit...

A: The given solutions A and B are prepared by dissolving different strong electrolytes in the water. S...

Q: 7. What is the name of the amino that has an ɛ amino group on its side chain? What is the one letter...

A: The above question is from amino acids. The amino acids which has amino group in ε- position with re...