If the pKa of an organic molecule is 8, it's buffering range is around pH     7-8     8     8-9     7-9

Q: e major product for

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Q: A 32.5 mL sample of an 5.6 % (m/v) KBr solution is diluted with water so that the final volume is 23...

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Q: How many liters of oxygen gas at STP are required to react with34.7 g of aluminum in the production ...

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Q: Label each substance "acid" or "base", write the products and their charges, and indicate the direct...

A: Acid- The species which is able to donate H+ ion.  Base- The species which is able accept H+ ion. 

Q: e half-life of

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Q: How many grams of Fe are produced when 65.0 grams of iron (III) oxide is reacted with 52.3 grams of ...

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Q: Draw the product formed when the alcohol cyclobutanol is dehydrated with H2SO4.

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Q: to deprotonate th

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Q: Diethyl ether[(CH3CH2)2O]is an imperfect anesthetic in part because it readily combusts in air to fo...

A: Diethyl ether is an imperfect anesthetic in part because it readily combusts in air to form CO2 and ...

Q: O QU -1 -2 -3 -5 [U0.]* -6 U3+ -7 U4+ 1 3 4 5 6. Oxidation State

A: Disproportionation reaction is a reaction where the same species is oxidized and reduced simultaneou...

Q: 1 Based on your observation, how can you identify the intermolecular forces of liquid on a given sub...

A: 1. Longer it takes to evaporate from surface of coin higher is the strength of intermolecular forces...

Q: CH4 + O2 → CO2 + H2O a. Balance the equation. b. How many moles of CO2 are produced from 10 moles ...

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Q: Q: What are the solutions, explain it?

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Q: Question 6 of 9 To what volume (in mL) would you need to dilute 20.0 mL of a 1.40 M solution of LICN...

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Q: Write the expression for K, for each of the following: 2 NO (g) + 0, (g) 2 NO, (g) Kc= a. b. CACO; (...

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Q: Describe molar heat fusion and melting point 2. Study how to solve problem involving molar heat fusi...

A: We have to tell Molar heat of fusion and melting point. 

Q: Complete the table below for calculating the molar mass of the ionic compound lead(IV) oxide . Numbe...

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Q: A pipette is used to transfer a base into a flask sitting under a burette filled with acid. Assuming...

A: The given questions asks about the small steps we take in chemistry labs during titration to get goo...

Q: What quantity in moles of NaOH are there in 125.0 mL of 0.190 M NaOH

A: Given Molarity =  0.190 M Volume = 125.0 ml = 125 x 10-3 L

Q: e covalent? C

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

Q: Explain the glass making process ? How to draw a flat gass or glass sheets/plates from molten glass ...

A: Answer - Glass making process  - Step 1: Melting and Refining  - Float glass starts as a mixture of ...

Q: In a constant-pressure calorimetry experiment, Maria mixed 100.0 mL of 1.00 M H2C2O4 solution and 10...

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Q: You have the following polypeptides at pH 7.25 and are attempting to separate them using an anion ex...

A: For an amino acid residue,    If pKa > pH, the ionizable group remains in its protonated state. ...

Q: The reaction between iron(II) (Fe2+) and dichromate (Cr, 0-) in the presence of a strong acid (H*) i...

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Q: Calculate the pOH and the pH of a 0.400 M Ba(OH), solution.

A: We have to predict the pOH and pH of solution.  

Q: The K, for acetic acid is 1.8 × 105. Write the expression for K, for this acid, based on the equatio...

A: Acid dissociation constant ( KA ) is used to determine the strength of acid. Greater the value of KA...

Q: Which one of the following statements is false O One molecule of HBr will yield one H+ ion(s) One mo...

A: We have to select the false statement. The given statements are  One mole of HBr will yield one H+ ...

Q: olid NaF has the so-called NaCl structure. The shortest distance between the centre of a sodium cati...

A: Answer: Since, NaF has NaCl type structure, therefore In the structure of NaF, fluoride ions will be...

Q: how you wo accomplish the ing syntheSIS. Indicate all necessary reagents, and show any intermediates...

A: Organic reaction mechanisms:

Q: Acetylcholine (ACh) is an important signaling molecule in the nervous system. After it transmits a s...

A: The hydrolysis of acetylcholine (ACh) by acetylcholinesterase (AChE) is an example of enzymatic cata...

Q: a) Molecular Equation: Fe(ОH)з H2SO4 +

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Q: For an unknown acid lab, titrating with 0.1 M NaOH, what is an acid that is slightly brown solid and...

A: The acids that are solids are mostly organic acids (other than formic, acetic , propanoic and butano...

Q: Explain how the dichromate-chromate equilibrium shifts in response to an increase or decrease in H+ ...

A: The dichromate and chromate ions are exist equilibrium in aqueous medium. In more acidic medium exis...

Q: Answer questions a-c about the Bronsted acid-base reaction below using the identiffying letters A-D ...

A: Answer: According bronsted-lowry acid-base theory, a compound that gives H+ in a solution is an acid...

Q: A certain element consists of two stable isotopes. The first has a mass of 113 amu and a percent nat...

A: To find out the mass of the element, multiply both mass of isotopes and their natural abundance. You...

Q: 1. The following are the TLC results from running compounds A and B using column chromatography. Wha...

A: 1. Solution -

Q: 5. Identify the index of plane for the given unit cells below. 0,0,0 0,0,0 (a) (b) 1/2 1/4

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Q: Ide tify the number of signals observed for the following 4 roiecules in C NMR and H NMR spe troscop...

A: The number of 1H and 13C signals of the above compounds are given below

Q: skeletal equation

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Q: Complete the table below for calculating the molar mass of the compound xenon trioxide. Molar mass o...

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Q: What alcohol is needed to form the alkene as a product of a dehydration reaction?

A: Alcohol gives dehydration reactions when they react with a strong acid like H2SO4 or H3PO4 to form a...

Q: · What further information would we need to determine the pressure halfway through this process? • I...

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Q: How many liters of a 4.05 M KNO3 solution can be prepared from 40.9 g of KNO3?

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Q: 11. Find the mass percent of CuSO4 in a solution whose density is 1.30 g/mL and whose molarity is 1....

A:   Ans -  Option (C )  = 15.0%   Given - Density (d) = 1.30g/ml Volume (V) = 100ml Molarity     = 1.2...

Q: Calculate the enthalpy of the following reaction for the gas phase salts: Needed facts: K = Coulombs...

A: The energy of the electrostatic attraction (E), a measure of the force’s strength, is inversely prop...

Q: 2) If doubling the concentration of nitrate ion in the reaction above causes the rate of reaction to...

A: The relation between the concentration of the reactants and the rate of reaction is expressed by the...

Q: Consider the solubilities of a particular solute at two different temperatures. Temperature (C) Solu...

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Q: Describe the spontaneity and solve entropy of the processes. Formation of H2O from H2 and O2: 2H2(g...

A: The correct answer is given below

Q: GHN, O

A: Given equation is : C11H8N2O + C7H7N3O3 -----------> C18H13N5O3  Balance the equation = ? 

Q: What product is formed when the alcohol is oxidized with K2Cr2O7? In some cases, no reaction occurs ...

A: This question belong to Reagents (Oxidation-Reduction Reaction) . K2Cr2O7 are the Powerful Oxidising...

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.