3b-i: A compound has molecular formula C22H28N20. Calculate the number of double bond equivalents (DBE) in this compound.

Q: A neutral atom has the following electron configuration: 1s25°2p° What is the chemical symbol for th...

A: Electronic configuration  is given         1s22s22p5 The total number of electron is 5+2+2= 9 electr...

Q: A juice concentrate was colorimetrically assayed using Nelson's test. One milliliter (1.00 mL) of th...

A: To find the reducing sugar concentration (mg/mL) in the juice concentrate ?  

Q: A displacement reaction is an oxidation-reduction reaction in which a free element reacts with a com...

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Q: Question 33 N-linked oligosaccharides can be covalently linked to proteins at which amino acid? Asn ...

A: It is fact based question , to find which amino acid of protein is covalently linked with oligosacch...

Q: Using dimensional analysis how many moles of potassium nitrate are produced when 2 moles of potassiu...

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Q: ete chemical formula for the

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Q: What is the molar mass of magnesium phosphate. **Be sure to select answer with the correct units!! ...

A: Molar mass is the sum total of masses of atom each element in a molecule. It is the mass of 1 mol of...

Q: Three buffers are made by combining a 1M solution of acetic acid and a 1M solution of sodium acetate...

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Q: One method used commercially to peel potatoes is to soak them in a solution of NaOH for a short time...

A: Given, The normal range of concentration of NaOH = 3 to 6 M Volume of H2SO4 solution = 45.7 mL Conce...

Q: I need help with these three question please Which of the following is a Brønsted-Lowery base? A) CH...

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Q: What is a unit cell? Sketch a unit cell and label the dimensions a, b, and c and the angles 6. alpha...

A: The answer is as follows:  

Q: Process in which atoms increases its oxidation number is called? Select one: a. Reduction b. Oxidati...

A: Process in which atoms increases its oxidation number is called ?

Q: What are the major products from the reaction of methyl butanoate with diisobutylaluminum hydride at...

A: The reaction of methyl butanoate with diisobutylaluminum hydride at negative seventy-eight degrees C...

Q: Which structure is a portion of 1. chitin 2. glycogen 3. Dextran 4. Cellulose? IN-, 1. B 2. A 3. D 4...

A: the solution is shown below.

Q: Choose one disaccharide and explain its structure, properties and function. ()

A: Disaccharide is also called as double sugar as it contain two monosaccharide unit or say have two si...

Q: water in the air (at equilibrium) will decreased the vapor pressure of water at that temperature c. ...

A: Here some water is put on an open stove at initial temperature.  In that case evaporation and conden...

Q: a. What is the pH of a buffer solution that is 0.12 M NH3 and 0.12 M NH4+? К, for NH3 is 1.8 x 10-5....

A: Given that, a buffer solution has 0.12 M of NH3 and 0.12 M of NH4+. The Kb of NH3 is 1.8×10-5. a. We...

Q: the oxidizing agent

A: There are some parts missing in the reaction you mentioned, so keeping in mind the starting parts of...

Q: In the Periodic Table below, shade all the elements for which the neutral atom has an outer electron...

A: All the element which has outer most configuration ms2 nd10 has fully s orbital and d orbital . Mean...

Q: Consider the reaction: CuO (s) + H2 (g) = Cu (s) + H20 (g) Kp = 12.5 mm Hg at 900K %3D %3D A system ...

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Q: A certain gas is present in a 13.0 L cylinder at 4.0 atm pressure. If the pressure is increased to 8...

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Q: Choose one disaccharide and explain its structure, properties and function

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Q: Lactose is made up of D-galactose and one unit of D-glucose joined by a alpa-1,4-glycosidic bond and...

A: Lactose: Lactose is one of the sugar which usually presents in milk.  

Q: Which acid-base titration would yield a titration curve of the general form shown? H3PO4 titrated wi...

A: Acid-base titration: The titration is used to determine the concentration of unknown acid or base by...

Q: An unknown compound has the following chemical formula: Mn(CN) sub x where x stands for a whole numb...

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Q: Substance A is 15 percent dissociated at 1732 K. and 1.00 bar, in the equilibrium: 2Ag Bg. Calculate...

A: The equilibrium reaction given is, => 2 A (g) → B (g)  Given: At 1732 K and 1 bar, 15 % of A diss...

Q: Which of the following is the correct systematic name of the disaccharide shown? OH он но но но OH O...

A: nomenclature of carbohydrates: alpha indicates the downward anomeric OH group. beta indicates the up...

Q: what are the four major categories organic molecules and give an example of each?

A: Organic compounds is mainly made up of carbon and hydrogen contains heteratoms like nitrogen, oxygen...

Q: What is the color of the phenolphthalein when the reactions of acid and base reach the end point? Se...

A: Indicators can be defined as the  substances whose solutions change their  color due to changes in p...

Q: How many enantiomeric pairs are possible for an aldohexose? O 8 O 2 O 16

A: In a aldehecoses there are 4 chairal carbon. The general rule for enetiomer is 2n-1,where n is no of...

Q: Mutarotation affects the reducing property of carbohydrates. O True O False

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Q: The following is the proposed mechanism for a given reaction: Step 1: NO + O2 2 NO, (fast, reversibl...

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Q: A sample of 7.92 g of Mg(OH)2 is added to 24.2 mL of 0.225 MΗΝΟ, . Part D How many moles of HNO3 are...

A: Given: Mass of Mg(OH)2 = 7.92 g. Concentration of HNO3 = 0.225 M And volume of HNO3 taken = 24.2 mL ...

Q: What is the equilibrium constant expression (Ka) for the acid dissociation of hypochlorous acid? HCl...

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Q: If a strong acid is added in a buffered solution, the hydronium ions react with the conjugate base/s...

A: Consider a buffer solution of weak acid (HA) and A-(salt).   

Q: In biological systems, buffers are important because they facilitate changes in pH to enhance biolog...

A: Buffer is a solution contains acid or base or a salt which can maintain the concentration of hydroge...

Q: thermometer A sample of glass, which has a specific heat capacity of 0.670 J·g contains 200.0 g of w...

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Q: What is the pH of a solution in which 15 mL of 0.10M NaOH js added to 25 mL of 0.10 M HC1? pH = %3D

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Q: Part A A sample of 7.92 g of Mg(OH)2 is added to 24.2 mL of 0.225 MΗΝΟ, Part B Part C • Part D • Par...

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Q: a. Circle the particle that is NOT neutral (1) p-26 e-26 n-30 (2) p-30 e-28 n=35 (3) p=16 e-16 n=18 ...

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Q: Gaseous oxygen and carbon dioxide are placed in a sealed flask. After several minutes, the gases are...

A: Since  it is is a property of gas that it forms always homogenous solution that is why here both gas...

Q: Quèstion 5 B-amylase is endoglycosidase and cleaves from the nonreducing end of the amylose polymer ...

A: Amylase is an enzyme that catalyses the hydrolysis of starch into sugars. This enzyme is present in ...

Q: what is compound C

A: In first step give positive test of carbohydrate by treatment with Alpha-naphthanol/H2SO4. Now perfo...

Q: Question 3 Which of the following best describes the glycosidic bond in the disaccharide shown? CHOH...

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Q: 3. Ascorbic acid (vitamin C, C6H&O6) is a water-soluble vitamin. A solution containing 80.5 g of asc...

A: 3. Sol :-  Given,  Mass of C6H8O6 = 80.5 g  Mass of water = 210 g  Density of the solution = 1.22 g/...

Q: Problem Solving. Show complete solution 1. a. How many grams of potassium nitrate is added ...

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Q: Question 37 Which monosaccharide is a deoxy CHO H но Но CH3 B. Rhamnose

A: Deoxy sugar is type of sugar

Q: A 1 liter solution contains 0.429 M acetic acid and 0.572 M potassium acetate. Addition of 0.107 mol...

A: Answer: Solution of acetic acid and potassium acetate will be a buffer solution.

Q: What are the components of the buffer solution when 0.20 mol H3PO4 is mixed with 0.30 mol of the bas...

A: Given,  Number of moles of H3PO4 = 0.20 mole  Number of moles of base = 0.30 mole  What are the comp...

Q: An aqueous solution was prepared by dissolving 4.93 g of KBr in enough water to make 750. mL of sol...

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