Consider only the first dissociation constant of a 10-4 M solution of boric acid (H3BO3): a) develop the appropriate ionization fraction equations, b) draw a species distribution plot for H3BO3, c) develop the appropriate equations for the buffer capacity of H3BO3,

Q: 38. Use of cobalt glass in the test for potassium ion

A: As per bartleby guidelines I answered only first question so please don't mind thanks in advance.   

Q: IZ What is the IUPAC name for the compound shown? CH3 H3C The IUPAC name is:

A:

Q: Explain why the behavior of H2 (positive deviation) is different from the behavior of CH4 and NH3, (...

A: A question based on intermolecular forces that is to be accomplished.

Q: A chemist adds 160.0 mL of a 2.8 mol/L sodium chloride (Nacl solution to a reaction flask, Calculate...

A: Volume=160mL  Molarity =2.8 mol/L     

Q: Q3. Briefly answer any two (2) of the following. i) How Mendeleev's periodic table was different fro...

A: Given question is :  (i). How Mendeleev's periodic table was different from Henry Mosely's periodic ...

Q: Need solution urgently

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Q: Determine the mass, in grams, of 0.290 moles of I (1 mol of I has a mass of 126.90 g).

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Q: Which of the following reactions is an elimination reaction? A. -CH2-CH, Na OH -CH=CH2 H H. H. CI + ...

A: The basic organic reactions types are addition, elimination, substitution, and rearrangement reactio...

Q: Balance the reaction, do not leave any fractions, don't leave anything blank, then answer the questi...

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Q: A galvanic cell was constructed with a nickel electrode that was dipped into 1.2 M NISO4 solution an...

A:

Q: many mL of 0.424 M HI are needed to dissolve 8.36 g of CaCO3? 2HI(aq) + CaCO3(s) CaI2(aq) + H2O(l) ...

A: Given- Concentration of HI =0.424 M  Weight=8.36 g  Volume=?      

Q: Nonpolar aromatic compounds were separated by HPLC on an octadecyl(C18) bonded phase. The mobile pha...

A:

Q: Part A A weather balloon is inflated to a volume of 25.5 L at a pressure of 738 mmHg and a temperatu...

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Q: *OCH3 Br DMSO HO

A: Charged species of alcohol(methoxide -OCH3) are strong nucleophiles. So which undergoes via SN2 reac...

Q: of the reducing agent and the formula of the oxidizing agent. redox reaction? yes no 2Fe(s) + 3NICI,...

A: Redox reaction : It is also known as oxidation-reduction reaction   

Q: Three structural isomers have the formula C,H2. Draw the isomer with five carbon atoms in the Draw t...

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Q: In this set of data 116.0, 97.9, 114.2, 106.8, 109.2, 116.0, and 108.3, find the mean, median, mode,...

A: Given,  The set of data: 116.0, 97.9, 114.2,106.8, 109.2, 116.0 and 108.3 The mean is:

Q: 3. Which of the following reaction would produce the given product in good yield? No explanation is ...

A: The aldol reaction takes place at room temperature. On heating the same solution a condensation prod...

Q: Sodium Borohydride Reduction of Ketones Compound Melting point Structure Color Benzil Benzoin 1,2- d...

A: BENZIL M.P- 94.8 °C COLOR-yellow crystalline

Q: ΔHorxn = 102 kJ and ΔSorxn = 299 J K-1. Determine the minimum temperature (in K) at which the react...

A:

Q: 6. The compound para-aminobenzoic acid is composed of Carbon (61.32%), Hydrogen (5.14%), Nitrogen (1...

A: Answer:- Given - total mass of PABA =100g Carbon= 61.32%, Hydrogen= 5.14%, Oxygen=23.33% and Nitroge...

Q: The following Rf values were computed from a normal phase chromatography experiment. Arrange them fr...

A:

Q: In a normal phase chromatography set up, the component that yields the highest Rf value is likely to...

A: In a normal phase chromatography set up , the conponent that yields the highest Rf value is likely t...

Q: 5. A conductivity cell filled with 0.10 demal KCI solution gives at 25°C a resistance of 910 ohms. W...

A:

Q: 11. Compare the bond energies of C-C, C=C, and C= C_Which one takes more energy to break the bonds a...

A: Bond energy is directly proportional to bond strength. 

Q: Draw the structure of 5-methyl-3-heptyne. Select Draw Rings More C H

A: Draw the structure of 5-methyl-3-heptyne = ?   

Q: Complete hydrolysis of which of the following disaccharides yields a single monosaccharide? lactose...

A:

Q: 18. What is the molality of a solution of chlorine and water is 0.0362 m. This solution contains 350...

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Q: Predict the location where a new substituent will be added when this aromatic compound undergoes an ...

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Q: The mass percent of calcium [Ca, MM = 40.08 g/mol) in calcium carbonate [CaCO3, MM = 100.09 g/mol] i...

A: Mass of Calcium carbonate = 12.0 g

Q: Balance the reaction, do not leave any fractions, don't leave anything blank, then answer the questi...

A: Answer: This is a reaction in which Al has been gradually added into the nitric acid solution.

Q: to standardize a fresh solution of sodium hydroxide. She carefully weighs out 88. mg of oxalic acid ...

A: Mass of oxalic acid = 88 mg  Molar mass of acid = 90 g/mol MMoles of acid = mass/MM   = 88/90 = 0.97...

Q: Choose three objects in your home that are considered as organic compounds. Write down whether it is...

A: Choose three objects in your home that are considered as organic compounds. Write down whether it is...

Q: The following initial rate data are for the reduction of nitric oxide with hydrogen: 2 NO + 2 H2 N2 ...

A: 2 NO + 2H2 -------> N2 + 2 H2O  Rate = k [NO]m[H2]n  k = rate constant  m = order of reaction wit...

Q: 3. Suppose that a 10M of NaCl solution with a volume of 3000ml is heated and looses 1.5liters of its...

A:  Given - Initial Concentration of NaCl =10M Initial volume =3000mL Losses water =1.5L=1500 ml (1 L =...

Q: Write the formula of the conjugate acid of CH₃CH₂O⁻

A: To solve this problem we have to write the formula of conjugate acid of given ionic  compound. 

Q: Chemical name of the gas evolved when hydrogen fluoride is made to react with silica.

A: Since you have posted multiple questions, the answer for first question is given below. Kindly repos...

Q: 2. Provide starting materials to produce the following compounds using a Grignard reaction: CH, OH C...

A: Reaction of ketone with Grignard reagent forms tertiary alcohol  Whereas Grignard reagent reacting w...

Q: QUESTION 15 During measurement of VO 2 the expired gas is collected at a Pressure of 758.0 mmHg and ...

A: Given,  Collected pressure of the gas = 758.0 mmHg  Temperature = 23 0C  What is the pressure of the...

Q: 3. How many grams of iron are produced when 45.1 g of carbon reacts with excess iron (III) oxide? 3 ...

A:

Q: Calculate the molarity, M, of KCl when 2.65 g KCl are dissolved in 2.50 ×x 10° mL of solution. Enter...

A: Given- Weight of KCl= 2.65g Volume of solution=2.50×10^3 mL=2.50L Molarity of solution=?

Q: Consider the 25.0 mL portion of pH=4.45 buffer solution prepared as described in question 4. Calcula...

A: Solution: We will solve this question using henderson equation,

Q: 5. 2.6477 g of the reducing agent FeSO4 was titrated to the equivalence point with 17.25 mL of a KMN...

A:

Q: Balance the reaction, do not leave any fractions, don't leave anything blank, then answer the questi...

A: For the given reaction , Mg(OH)2 +H3PO4--->Mg3(PO4)2 +6H2O  We have to fill the blanks .

Q: Aspirin, CsH4(0COCH3)CO2H, is produced by the reaction of salicylic acid, C6H4 (OH)CO2H, and acetic ...

A:

Q: Unsymmetrical bond breaking is a mechanism for electrophilic or nucleophilic substitution reactions....

A: A covalent bond is formed by sharing of electrons between the atoms. When the covalent bond breaks, ...

Q: Manganese commonly occurs in nature as a mineral. The extraction of manganese from the carbonite min...

A: First step :  2MnCO3(s) + O2(g) -------> 2MnO2(s) + 2CO2(g)  Second step :  3MnO2(s) + 4Al(s) ---...

Q: A 25mg/L solution is prepared by diluting ul of a 50g/L solution into 10ml of water.

A: To determine the concentration of diluted solution, the following equation is used. M1V1 = M2V2 On r...

Q: NO2 NO 2 H N. +

A: This is a type of aromatic substitution reaction. Resonance and electron withdrawing groups supports...

Q: 1. If a more concentrated solution of NaOH were used, how do you think this would alter the initial ...

A: Hii there, As there are multiple sub parts posted. we are answering first-three sub parts . If you n...