If a buffer solution is 0.290 M in a weak base (K, = 1.4 × 10-5) and 0.580 M in its conjugate acid, what is the pH? pH

Q: Refer to the schematic diagram below, what is compound D? | Conc. H,SO, a-naphthol Conc. HS0, acetic...

A: The answer is as follows:

Q: The depletion of ozone (O3) in the stratosphere has been a matter of great concern among scientists ...

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Q: Question 18 What is the pH of the solution given the following information? Methyl orange = yellow M...

A: Given : Methyl orange = yellow Methyl red=yellow Bromothymol blue = green

Q: Calculate the RSD of the data below. 70.24, 70.22 and 70.10

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Q: Problem 7. For each of the ff. items, briefly explain the basis of your answer. I. Arrange the follo...

A: Strength of the acid is depends upon the ability to donate H+ ion , and it can judge by the electron...

Q: It was found out that 2.0 kg of sucrose can dissolve per liter of water at 25°C. How many tablespoon...

A: Mass of sucrose = 2kg i.e. 2000 g  Volume of water = 1 L or 1000 mL  

Q: What kind or type of isomer is the compound given below categorized?

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Q: Design the synthesis of heptane-2,6-dione starting with any compounds with 4 or fewer carbons.

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Q: Suggest a specific reaction to identify ammonium ions. Why is this reaction specific

A: A question based on qualitative analysis of cations that is to be accomplished.

Q: Hi! Can you help me with these?  Assignment: Balance these problems and find the percentage of it. ...

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Q: How    many    molecules    of    NaOH    are    present    in    200    ml    of    the    20%    (...

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Q: H H;C H H3C. `CH2CH3 ČH3 A

A: IUPAC nomenclature can be found from its Newman projection by considering that it's structure can be...

Q: (1) What is the half-life for the reaction starting at t = 0 s? s What is the half-life for the reac...

A: (1) Half-life is the time taken for consumption of half of the substance. Starting t=o s, the concen...

Q: A student conducted an experiment where water was pipetted into a graduated cylinder and then weighe...

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Q: 1-Chlorobutane, CH3CH2CH2CH2Cl, reacts with aqueous sodium hydroxide by a second-order nucleophilic ...

A: Solution                                 We know that

Q: H,C=CH, H' 'N' H. H ENE YDE INE

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Q: 6. The ir and MS for a compound are shown below. Identify the compound. Clearly show your reasoning....

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Q: e Molarity of

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Q: gas laws

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Q: Which one of the following molecular formulas is also an empirical formula? C,H,0, A) C,H,SO В) H,O,...

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Q: hydrogen peroxide was added to a piece of potatoes contain the enzyme, catalyze, hydrogen peroxide w...

A: It is an interesting phenomena ,when we add hydrogen peroxide to fresh potatoes it breaks down into ...

Q: Calculate the pH of a 0.170 M solution of potassium nitrite, KNO₂. pH =

A: Given that, [KNO2] = 0.170 M =C (LET)  pH = ? 

Q: Show your work for everything Silicon has three naturally occurring isotopes: Si-28 with mass 27.976...

A: Given silicon has three isotopes  1) Si-28 with mass 27.9769 amu and à natural abundance of 92.21% 2...

Q: HF, CH3CH2CH2OH, CH3CH2COOH which is the strongest to weakest acid? Provide a reason as to why.

A: Mineral acids are stronger acidic nature than organic carboxylic acids.  Carboxylic acids are strong...

Q: The following results were found after completion of Part C in the Experimental procedure: 0.056 M ...

A: Rate =k[I-][H2O2]2 We have to calculate the value of k for run 2 of the experiment.

Q: Using temperature data from the experimental runs a graph is created plotting lnk versus 1/T where T...

A: This can be explain by Arrhenius equation. see below

Q: ionization equation

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Q: An organic compound is extracted from an aqueous phase using an organic solvent: 40 ml of the aqueou...

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Q: The acidity function of a solution that is produced when 20 ml of 0.1 M acetic acid is mixed with 0....

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Q: (h) Consider the binary phase diagram below. i. What is the eutectic composition and temperature? At...

A: 1. A eutectic mixture is a homogeneous mixture which melts at a single melting temperature , which i...

Q: Rank the following atoms: Cl,Sn and Si from lowest to highest in terms of increasing negative first ...

A: Answer ) ionization energy is the amount of energy require to emit the one electron from outermost o...

Q: Give the structure of the major product of the following reaction. Explain why you think it is the m...

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Q: Show the calculation required to determine the pH of a solution that has H3O+ concentration of 0.015...

A: pH of solution is defined as negative logarithm of hydrogen ions. 

Q: (b) What do you understand by solubility limit?

A: The answer is as follows:  

Q: How many possible monochlorination products are there for compound A? And what is its major monochlo...

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Q: What number of atoms of nitrogen are present in 3.54 g of each of the following? a. glycine: C2H5 O2...

A: Given, Calculate the number of atoms of Nitrogen are present in 3.54 grams of each of the following:...

Q: Why and how does molecular geometry affect polarity and also solubility? Please explain thoroughly.

A: Molecular geometry determine the polarity and the polarity determines the solubility of a compound. ...

Q: Calculate the pH value of the resulting solution by titrating 0.1 molar ammonium hydroxide 100 ml wi...

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Q: Do chelators reduce conductivity? Do water-miscible solvents such as mono ethylene glycol, glycol et...

A: A question based on coordination complexes that is to be accomplished.

Q: What do you expect to happen to the concentration of the sodium acetate salt formed when sodium hydr...

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Q: If the enthalpy change of an enzymatic reaction associated with the conversion of 2000 g of a target...

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Q: IV. Given that: 3 mv? 2 v?e 2RT m f6) = 4r () 2TRT and there is an identity showing that: 1 x2e-ax d...

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Q: 4. A 112 pound woman is wearing high heeled shoes with an area of 0.18 square inches. What pressure ...

A: In multiple questions, we solve only first question according to Bartleby guidelines. Use relation b...

Q: The elements lithium and oxygen react ex- plosively to from lithium oxide (LigO) accord- ing to the ...

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Q: 7. The ir and MS for a compound are shown below. Identify the compound. Clearly show your reasoning.

A: A question based on IR and mass spectrum that is to be accomplished.

Q: (V) Consider three molecules, H7ºBr and deuterated molecule D79Br and H$1Br. The lowest energy trans...

A: The lowest energy transition occur for rotational levels.

Q: 20.0 g of carbon dioxide gas is stored in a cylinder (a malfunctioned fire extinguisher) with a volu...

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Q: What is the number of o bonds and n bonds in one molecule of this compound

A: If single bond present between the atom consider as a Sigma bond where as presence of double bond th...

Q: An aqueous solution of calcium hydroxide is standardized by titration with a 0.110 M solution of per...

A: Given, Concentration of perchloric acid = 0.110 M Volume of base = 24.7 mL Volume of acid = 27.3 mL ...

Q: What volume of nitrogen monoxide is required to react with 141 liters of hydrogen gas according to t...

A: Given Reaction:-  NO(g) + H2(g) ----> N2(g) + H2O(l) 

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.