What is the pH of a buffer made from 0.350 mol of HBRO (Ka = 2.5 × 10-9) and 0.130 mol of KBrO in 2.0 L of solution?

Q: СООН H- HO HO РСС H HO H ОН CHO

A: PCC converts Primary  alcohol to Aldehyde and Secondary Alcohol to Ketones.

Q: Given the following reactions Reactions Enthalpies of Reaction Na(s) + Cl2(8) Na(g) + Cl(g) AH = 269…

A: Determine the ∆H for the reaction, Na+(g) + Cl-(g) -----> NaCl(s)  ∆H = ?

Q: What amount of heat (in kJ) is required to convert 19.3 g of an unknown liquid (MM = 67.44 g/mol) at…

A: Here , heat is used in three steps , 1)  in rising of temperature of liquid till boiling point. 2)…

Q: he hydrocarbon C17H36 is found in the gas oil fraction ined by fractional distillation of crude oil.…

A:

Q: Hydrolysis of an ester (in presence of acid catalyst) forms --- and ---.   Question 23 options:…

A:

Q: 26. Calculate the energy of a single photon of radiation that has a frequency of 1.00 x 104 s. (h =…

A:

Q: Average Exposure to Radiation from Common Sources Source Dose (mrem/year) Naturally Occurring…

A: Given: The radiation received in an accident = 5.43 × 10-4 Sv

Q: Which of the following describes the reaction: 218 Po →°,e+ 218 At 84 ³Po→,e+ 85

A: In above reaction atomic number on product side increase by one while mass number remains unchanged.…

Q: Which of the following combinations can be used to make a buffer? (Assume equal volumes are used.)…

A: Answer: A buffer solution is the type of solution that resists the change in pH on adding small…

Q: 3. What is the electron configuration (1s, etc.) for Silver (Ag)? Identify the valence electrons by…

A:

Q: H. C=c H. H. H HX H-C-c-X H" H. H. H H. H-C-C-X H HX C=C H' `CH, `CH, H. C=C H H. + H-C-C-X HX OCH,…

A:

Q: Describe the formation of hydroxyproline for the synthesis of collagen in detail

A: Hydroxyproline is a non-essential amino acid. It is found in collagen,  many gelatin products and a…

Q: calculate the mass percent of methanol in a solution containing 2g. of methanol with 240g of water.

A:

Q: 12. If 10 L of ammonia (NH3) forms in a reaction between an unknown amount of nitrogen gas (N2) and…

A: For question 12, we have to find the minimum volume of nitrogen gas that will react with 15 L of H2…

Q: Q52) Suppose that a solution that is 0.0334 M in sodium chloride and a solution that is 0.0334 M in…

A: Balanced reaction is  2 NaCl  +  Sr(NO3)2  -->  SrCl2 + 2 NaNO3   When NaCl(sodium chloride)…

Q: How to solve for initial mass of the water. With 70mL of water with a density of 1.00 g/cm^3 given…

A:

Q: is the diphenylmethane generated from friedel-crafts reaction with DCM solid or liquid?

A: Reaction is as below- Diphenyl methane is obtained when excess benzene is treated with DCM in…

Q: What was the purpose of conducting a murexide test after extracting the caffeine from aqueous…

A: The murexide test is an analytical method for determining the presence of caffeine and different…

Q: What is the binding energy in kJ/mol nucleons for lanthanum-138? |k]/mol nucleons 57 H+ 81;n La The…

A: The reaction given is, =>

Q: is titration with 0.123M solution of NaOH calculate the ph of the equivalence point ka=1.8x10^-7

A: Given, Ka = 1.8 ×10-7 pKa(HA) = 6.74 Molarity of HA = 0.124 M Volume of HA = 95.6 mL Molality of…

Q: the three thermochemical equations: (i) CH4(g) + 2O2(g) ⎯→ CO2(g) + 2H2O(g) H = -327 kJ (ii)…

A: CH4(g) +1/2(O2(g)) ---> CO(g) + 2H2(g)

Q: Butenes, such as 1-butene undergo isomerization in the presence of a catalyst to form isobutene…

A: The reaction given is, Given: K = 0.72  Pressure of 1-butene = 1.79 bar. And the pressure of…

Q: Select the major product of the following reactions. 1. NaOEt 2. СH;I EtO OEt 3. NaOEt 4. CH3I 5.…

A:

Q: mdet te major arodeet for he lowing trenetomation. e minda of siereechamitry, wen sppl Me. 1. ВНз…

A:

Q: Calculate the molecular rotational partition function for 14N2 at 298"K for both molecules. The…

A:

Q: The rotational partition function for 1271 1271 at the equilibrium bond length is equal to 929.…

A: Given qrot = 929 To determine qrot if the bond was strectched by a factor of 1.35

Q: calculating ΔHmix for regular solutions, please derive 1) the mole fraction for the minimum of ΔHmix…

A:

Q: 17. For the quantum number, 1, what are the possible values when the quantum number, n, equals 2?

A: Given quantum number ; n=27 possible value of l = ?

Q: The pH of 300 mL solution made of 0.58 M acetic acid and 0.60 M potassium acetate is (K - 1.8 x 105)…

A:

Q: Q. 10.0 mol of nitrogen gas at 300k is contained in a 1,00L container. ( Nitrogen (N2) 9as is…

A: Given : n    = 10 mol V1  = 1.00 litre V2  = 2.0 litre T    = 300 k   Finds : To calculate the…

Q: mass%

A:

Q: How long will it take for 97.9% of the

A:

Q: (Q49) The molar solubility of bisn at this temperature? The balanced chemical equation (aq). O 7.71…

A: Given,  Solubility(s) = 6.54 × 10-5 M Balanced chemical reaction,  BiI3(s) ---> Bi3+(aq.) +…

Q: (Q50) What is the molar solubility of mercury (I) sulfate at 25°C? The Ksp of mercury (I) sulfate is…

A: Mercury (I) sulfate :  Hg2SO4 ⇌2Hg+ + SO42-  Let molar solubility is = S  So,  Ksp = [2Hg+]2[SO42-]…

Q: A voltaic cell is constructed in which the anode is a Al|Al3+ half cell and the cathode is a H2|H+…

A: 1.) At anode , oxidation takes place. So there is lose of electrons at anode.  2 ) At cathode…

Q: 9. Which of the following elements has the largest first ionization energy? A) Bе B) Mg С) Са D) Sr…

A: In this question, all the element present in 2nd group of the periodic table and when we move down…

Q: e following carbonyl-containing compounds in order of reactivity towards nucleophilic acyl…

A: ->For reactivity towards nucleophilic acyl substitution reaction we see electrophilicity of…

Q: Consider 500 g of ice at -55 oC to which 1600 kJ of heat was added in a controlled way with no heat…

A: Given: Mass of ice = 500 g. Amount of heat added = 1600 KJ = 1600000 J And initial temperature of…

Q: 38- The reaction A product is second order reaction , A solution originally at 0.6 M is found to be…

A: The half life of any reaction is defined as the time taken for the reducing the initial…

Q: While 0.7407 moles of H 2 gas was being compressed at constant temperature, the pressure increased…

A: Number of mole = 0.7407 mole P1 = 1.318 atm P2 = 2.765 atm ->Temperature is constant.

Q: Balance each of the redox reactions for the conditions stated Label the oxidizing agent and the…

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

Q: Target Equation: (1)  Mg(s) + 1/2 O2 (g) → MgO(s) Reactions:  (2)  MgO (s) + 2 HCl (aq) → MgCl2…

A: Given: Reaction Mass (grams) of MgO(s)  Mass (grams) of Mg(s) Volume (mL) of HCl(aq)…

Q: Which of the following describe(s) the following reaction? Choose all that apply. 14N + He 70 + H O…

A: The reaction given is,

Q: Name the main product of the following chemical reaction. ОН + LIOH O methyl benzoate lithium…

A:

Q: elect the major product(s) of the following reactions. OH 1. CrO,/ H* 2. SOCI, OH II III IV D IV II

A: ->CrO3/H+ is oxidizing agent which can oxidize primary alcohol to carboxylic acid. ->SOCl2…

Q: Draw the organic products formed in each reaction.

A: a. When cyclohexyl methanol is treated with chromium trioxide in presence of sulfuric acid and…

Q: Please identify the most likely product emanating from this series of reactions. 1 Cl2 NaOH

A: ->Addition of Cl2 to alkene give trans alkene which acts as dienophile and give Diels-alder…

Q: 1. Nernst, Gibb's relationship to E° and equilibrium. Everything we've learned so far is…

A:

Q: A small piece of calcium carbonate was placed in a constant-volume calorimeter (Ccal=0.488  kJ/°C),…

A: Given data :  1. Ccal=0.488 kJ/°C 2. Change in temperature = 3.5 oC

Q: Diethylamine (structure presented below) and HCl react to produce CH3 CH3 diethylammonium chloride…

A:

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.