Thermosetting polymers chemically changed at high .temperatures True O False O Electrons spin around the nucleus at high speed inside

Q: What are the intermolecular forces present in acetone?

A: Note: As per company policy we are supposed to attempt first question only , please repost other que...

Q: 5. What is the mole fraction of 25% sucrose solution (C12H22011)? Find its concentration. .

A:

Q: Salts fillers to polystyrene True O False O Water pollution causes .economic loss True O False

A: Fillers used in polymers which are added to polymers to reduce its cost.  

Q: Predict the sign of AS° and then calculate AS for each of the following reactions. (This problem req...

A:

Q: 1) For the following solutions circle those that would be considered buffer solutions NH4Cl and NaC...

A: Given, The buffer solutions in  NH4Cl and NaCl :        HCN and NaCN    :  NaH2PO4 and Na2HPO4 :    ...

Q: 9.) Use Hess's law to calculate AG°rxn using the following information. NO(g) + 0(g) → NO2(g) 2 03(g...

A:

Q: Calculate the concentrations of all species in a 0.840 M Na, SO, (sodium sulfite) solution. The ioni...

A:

Q: added to a solvent such as water, which of the following boiling points is not reasonable for the so...

A: As we know,  if we add Non-volatile solute in water , elevation in boiling point takes place. So, bo...

Q: [References] It has been determined that the body can generate 5500 kJ of energy during one hour of ...

A:

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

A:

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: Try to create a sample word problem about Hess’s Law. Include your solution following the given step...

A: The heat change in a complete chemical reaction remains same if the reaction takes place in a single...

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: 4. What is the osmotic pressure of a 0.0522M solution of C 12H22011 at 55 °C? A. 1.1 atm B. 1.4 atm ...

A:

Q: (L.D.P.E) is branched polymer. True False Tuff sources of CaCO3. True False Reaction product (CI2 + ...

A:

Q: 2. Assign the R or S configuration to each chiral center in the molecules below. CH2CH,Br CH3 .CO2H ...

A: Every chiral center has specific configuration R or S .  

Q: Hexamethylenediamine (C6H16N2) is one of the starting materials for the production of nylon. It can ...

A: Ans. For the percent yield of a chemical compound, we calculate theoretical yield of that chemical: ...

Q: . A solution may contain any of the three group I cations. A white precipitate is formed upon he add...

A: Analysis of group I cations .

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

A:

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: CH3 H,SO, HO

A: This reaction is known as internal electrophilic aromatic substitution reaction where benzene ring a...

Q: The percent by mass of nitrogen for a compound is found to be 46.7%. Which of the following could be...

A:

Q: Using solubility rules, predict the solubility in water of the following ionic compounds. (NH4 )3PO4...

A: The solubility of an ionic compound in water depends on the nature of the ions present in the ionic ...

Q: The acid dissociation constant K, of hydrocyanic acid (HCN) is 6.2 x 10 -10 Calculate the pH of a 3....

A:

Q: Question 1 This following is the reaction for the synthesis of ammonia: N2 + 3 H2 + 2 NH3 At a certa...

A:

Q: What is the mole fraction of 1.8 g glucose (C6H1206) in 90 g of water?

A:

Q: The acid dissociation constant K, of hypobromous acid (HBrO) is 2.3 × 10. Calculate the pH of a 2.7M...

A:

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

A:

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: 10% (w/w) aqueous potassium iodide has a density of 1.202 g/ml. Which of the following statements is...

A:

Q: Calculate the concentration of S2- in an aqueous solution of 0.239 M hydrosulfuric acid, H2S (aq). [...

A: Given :  0.239 M Hydrosulfuric acid . To find : concentration of S2-   

Q: What is the important values needed to calculat Km and Kcat afor an enzyme data?

A: We have to tell the important values are needed to calculate the Km and Kcat for an enzyme catalyzed...

Q: Explain the major difference between the Michaelis-Menten equation and the Briggs-Haldane treatment ...

A: Micheaeli-Menten equation and Brigg-Haldane equation,both two equation describes enzyme Kinetics .

Q: Question 1 This following is the reaction for the synthesis of ammonia: N2 + 3 H2 + 2 NH3 At a certa...

A:

Q: 4. (a) Calculate the Doppler width (as a fraction of the transition wavelength) for any kind of tran...

A: Given: Temperature = 25 oC = 298 K Molar mass of HCl = 36.45 g/mol Let the transition wavelength be ...

Q: 3. What is the boiling point of a 6.95M solution of C12H22011 in water? A. 105.2 C B. 107.0 °C C. 10...

A: Colligative properties: The colligative properties are those properties of solutions that depend on ...

Q: For answers to calculations, use the correct number of significant figures. The percentage of sodium...

A: To calculate mass % of NaHCO3 in given mass of sample , we would need to calculate mass of NaHCO3 in...

Q: hydroxide is required to prepare one liter of 4N calcium hydroxide solution? Choices: 2, 1, 3, 4

A: Normality (N) = Molarity(M) × Valence factor  Valency factor for base = number of OH- ions = 2  Mola...

Q: For a particular isomer of C,H8, the combustion reaction produces 5099.5 kJ of heat per mole of C,H1...

A: Given-> C8H18 (g) + 25/2O2(g) --> 8CO2(g) + 9H2O(g) ∆H°rxn = -5099.5 KJ/mole  

Q: 2. A solution may contain any of the three group I cations. A white precipitate is formed the additi...

A:

Q: Time Altitude Pressure Temperature Volume Moles 9:00 pm 40 km 9.54 x 10 atm 115,580 L 9:10 pm 20 km ...

A:

Q: Please provide the step-by-step and answer in the conversion format under the question and equation ...

A: A solution of tartaric acid with a known concentration of 0.155 M are solution. 

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

A: The correct answer is given below

Q: 1. In this method, the mass of the analyte or a compound derived from the analyte is determined. 2. ...

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for yo...

Q: OH B A

A: Chemical formula from the given structure  A = C5H12O , B = C5H12O

Q: ammonium perchlorate The pH will be less than 7. barium nitrite The pH will be approximately equal t...

A: The solutions which are acidic will have pH less than 7, more than 7 will be basic and having pH 7 w...

Q: Determine the change in entropy for 1.0 mole of an ideal gas originally confined to one- half of a 5...

A: At constant temperature, change in entropy is calculated using formula :  

Q: What number of molecules (or formula units) are present in 1.80 g of each of the following compounds...

A: Please find your solution below : Avogadro's number is the number of atoms, molecules, ions, formula...

Q: If a 3g sample of zinc oxide, 95% ZnO, were treated with 50ml of 1.1230N sulfuric acid in the usual ...

A:

Q: Valence electrons

A: