Use polarity and bond strength arguments to explain why HF is a stronger acid than H2O.

Q: 1. You have a 50.0 mM solution of glycine at pH 7. The value of pK₁ is 2.35 and the value of pK2 is…

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Q: THE PREPARATION: Sulfur, precipitated Menthol Rubbing Alcohol Methylcellulose 1500** Purified water…

A: The answer to the following question is-

Q: Which of the following compounds produces an aldehyde when treated with catalytic sulfuric acid in…

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Q: 3. A paraffin wax candle weighs 10.553 grams. The candle is lit and then immediately placed in a…

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Q: Draw both resonance structures of the most stable carbocation intermediate in the reaction shown. ●…

A: A carbon containing a positive charge is called a carbocation.

Q: The freezing point of water H₂O is 0.00 °C at 1 atmosphere. A nonvolatile, nonelectrolyte that…

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Q: The second-order decomposition of NO2 has a rate constant of 0.255 M-1s-1. How much NO2 decomposes…

A: The integrated rate law for second order kinetics is given as: 1A = 1Ao +kt Where Ao = initial…

Q: [References] This question has multiple parts. Work all the parts to get the most points. An aqueous…

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Q: The freezing point of water is 0.00 °C at 1 atmosphere. How many grams of aluminum sulfate (342.2…

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Q: 13.39 Some reactions are described as parallel in that the reactant simultaneously forms different…

A: Recall the given parallel reaction,                  A  →k1  B                  A  →k2…

Q: The decomposition reaction given below is in the first order. 2 N2O5(g) > › 4 N20A (8) + 02 (8) The…

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Q: QUESTION 8 If 0.153 L of 0.104 M Na2SO4(aq) is combined with 0.175 L of 0.209 M NaCl, what is the…

A: Question 8 :  First we need to calculate moles of Na+ from both solutions separately using the given…

Q: Polarity of Bond Antimony bromide Computation of AEN: Answer: Polarity of Bond:

A: Given,Antimony bromideRequired,                   ∆EN and polarity of Bond .

Q: Which of the following is the correct unit for equivalent weight? a)eq/mol b)eq/g c)g/eq d)mol/eq

A: The unit for equivalent weight is given below.

Q: A buffer is prepared by mixing 16 mL 1M CH3COONa and 4 mL 1M CH3COOH pKa = 4.74. What is the…

A: Given : Concentration of CH3COONa = 1 M Concentration of CH3COOH = 1 M Volume of CH3COONa = 16 ml…

Q: If 0.153 L of 0.104 M Na2SO4(aq) is combined with 0.175 L of 0.209 M NaCl, what is the concentration…

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Q: Calculate the avergae rate of disappearance for N2O5 between 200 seconds and 500 seconds, if the…

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Q: Given the following balanced equation, determine the rate of reaction with respect to [NOCl]. 2…

A: Here we are required to find the rate of reaction with respect to NOCl.

Q: Write and Balance: Hexane (C6H14) burns in oxygen (O2) to form carbon dioxide (CO2) and water (H20)…

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Q: Draw the structural condensed formula of 5-oxo-decanal.

A: We are given name of an organic compound and we have to draw its condensed structural formula.…

Q: At a certain temperature, 0.980 mol SO3 is placed in a 3.50 L container. 6 2 SO₂(g) 2 SO₂(g) + O₂(g)…

A: Since, Equilibrium constant or Kc is the ratio of the equilibrium concentrations of product over…

Q: What is the de Broglie wavelength of an electron traveling at 1.27×105m/

A: Answer of this question :-

Q: © Macmillan Learning If the heat of combustion for a specific compound is -1140.0 kJ/mol and its…

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Q: What are formal charges for sulfur S and oxygen O in dimethyl sulfoxide shown below: II / V O CIH HT…

A: The formula used for formal charge is -> = V - N - B/2  Where , V = number of valence electrons…

Q: how do you know there should also be NaCl as a product? Why wouldnt it be NaCl2?

A: how do you know there should also be NaCl as a product? Why wouldn't it be NaCl2?

Q: Use Hess’s law to calculate the enthalpy of reaction for the reaction between ethene and water to…

A: Given data  ΔH°comb (C2H4 (g)) =-1441.2 kJ ΔH°comb (C2H5OH(l))=-1366.8 kj calculate the enthalpy of…

Q: One way in which the useful metal copper is produced is by dissolving the mineral azurite, which…

A: Given :

Q: How many proton NMR signals and carbon NMR signals does acetophenone have?

A: The given problem is based on spectroscopic analysis of organic compounds.

Q: When sulfuric acid reacts with calcium hydroxide, calcium sulfate andwater are produced. The…

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Q: PRELAB QUESTIONS: 1. How much energy is required to raise 125 grams of water from 22.0 °C to 43.2…

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

Q: A solution made by mixing 137. g of acetone ((CH 3 ) 2 CO) and 91. g of methanol (C*H_{3}*OH)…

A: Mole fraction can be calculated as number of moles of a particular component in the solution divided…

Q: Macmillan Learning Write a balanced equation for the combination of potassium and chlorine to form…

A: Balanced chemical equation: balanced chemical equation is the reaction in which number of atoms of…

Q: QUESTION 22 A student titrates 55.2 mL of a sulfuric acid solution which contains 1.40 M NaOH. The…

A: Since you asked multiple questions so as per Q&A guidelines of portal I solved first question…

Q: You need to prepare 100.0 mL of a pH 4.00 buffer solution using 0.100 M benzoic acid (pK, = 4.20)…

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Q: A chemist titrates 190.0 mL of a 0.3602M lidocaine (C₁4H₂1 NONH) solution with 0.2711 M HCl solution…

A: Answer:- This question involves the titration of weak base against the strong acid. At equivalence…

Q: What mass of NaOHNaOH is needed to precipitate the Cd2+Cd2+ ions from 30.0 mLmL of 0.530 MM…

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Q: QUESTION 1 Consider the gaseous reaction CO(g) + Cl2(g)=COC12(g). What is the expression for Kp in…

A: The gaseous reaction is given and we have to find out the expression for Kp in the term of Kc.

Q: 12. Draw the conjugate acids for the following: e a. 13. a. Circle the three most acidic protons in…

A: conjugate acids are obtained by accepting H+ ion. With increasing the electronegativity difference…

Q: Which of the following is true for the acid-base properties of amino acids? Select the correct…

A: The correct sentences are

Q: ||| = CHEMICAL REACTIONS Determining the volume of base needed to titrate a given mass... A…

A: Weight of acetic acid= 0.144 gram  Volume=250mL Concentration of NaOH=0.1800M  Volume of NaOH=?…

Q: As a scuba diver descends under water, the pressure increases. At a total air pressure of 2.98 atm…

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Q: Ascorbic acid (vitamin C, C6H8O6C6H8O6) is a water-soluble vitamin. A solution containing 81.0 g of…

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Q: If you put 1 mL of coffee into 9 mL of water, how much was the coffee diluted

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Q: What is the formula of the compound in which the atom combining ratios are: Carbon: Hydrogen:…

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Q: 1. Using 12.0 mL 0.25 M CH3COOH-12.0 mL 0.25 M NaCH3COO, find the pH of the solution if we add 0.15…

A: Before reaction:  moles of CH3COOH = 0.25M *0.012L = 0.003 moles CH3COOH moles of CH3COONa = 0.25M…

Q: pentan-4-ol 1-methyl-3-ethylbutane 4-methyl-3-propylpentyne

A: The given problem is based o the nomenclature of organic compounds.

Q: 1. Use the Hume-Rothery rules to determine whether you would expect magnesium to display unlimited…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: [References] other ionic com Rutile, TiO2, crystallizes in a structure characteristic of many other…

A: Given -> Rutile (TiO2)  Participation for corner  = 1/8  Participation for face = 1/2…

Q: please give the structure of 3-ethyl-1-isopropylcyclohexane

A: Given -> Compound -> 3-ethyl-1-isopropylcyclohexane

Q: REDOX REACTIONS Write the chemical Equation and assign the oxidation numbers for each atom. The ff.…

A: Redox reaction : It is a type of reaction in which the participating reactant undergoes exchange of…