In a pure sample of HF, what forces of attraction exist between the molecules? A. dispersion forces only  B. dipole-dipole forces only  C. Both dispersion forces and dipole-dipole interactions  D. dispersion forces, dipole interactions and hydrogen bonds

Q: Draw the products of the saponification of the wax shown. mp products NaOH H₂O

A: OH- will act as a nucleophile and it will attack to the carbonyl carbon and then by the given…

Q: t condition will decrease the solubility High pH Low pH

A: The equilibrium solubility is, BaF2(s) ----> Ba2+(aq.) + 2F-(aq.) As we kn, due to odd ion…

Q: True or False.  1. The absorbance of a sample is equal to the negative logarithm of the…

A: Hello dear student,   1) TRUE 2) TRUE 3) TRUE

Q: Caffeine eine benze, and aspartame content of mountain dew soda was determined using reverse phase…

A: Given: Concentration of standard Caffeine used = 0.70 mg/mL Concentration of standard Benzoate used…

Q: 22. a) Draw the compound of cis-4,5-dimethyl-2-heptene and write the molecular formula.

A: Given-> Cis -4,5-dimethyl-2-heptene

Q: Eye Hi... O C 11H H Answer Bank CH3

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Q: Use the sample experimental data to calculate the mass of sample (BaCl2•xH2O) Mass of pan 15.110 g…

A: A question based on general chemistry that is to be accomplished.

Q: For the given reaction, what volume of Cl₂ would be required to react with 4.4 L of NO₂, measured at…

A: Nitrogen dioxide reacts with chlorine to form NO2Cl. The equation for the balanced chemical reaction…

Q: Give the systematic name of the compound. OH H3C. CH3 CH₂ OH The name of the compound is

A: The given compound is:

Q: What is the concentration of an unknown solution that has an absorbance reading of 0.402 at 425nm…

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Q: Question The equation below represents the formation of acid rain. SO₂ + H₂O H₂SO, 1. From the…

A: 1.  The gas which dissolves in rain to form acid rain is SO2 or Sulphur Dioxide. 2. Acid rain…

Q: 0.4071-g sample of pure CaCO3 was transferred to a 500-mL volumetric flask, dissolved using a…

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Q: Number the groups/ substitutes based on Chan - Ingold - Pregold priority rules. Please also so B. C…

A: Stereochemistry is branch of chemistry in which we deal with three dimensional orientation of atoms…

Q: g) Predict starting materials G-J structure for Reaction 5 and 6.

A: This is McMurry reaction, we know that in this reaction two carbonyl group coupled together to…

Q: 1. What Grignard reagent and carbonyl compound are needed to prepare the alcohol below: H3COH CH3…

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Q: Determination of the concentration of HCl: Pipette 10 mL of hydrochloric acid and transfer to a 100…

A: Acid-base titration refers to titration reaction in which either of titrant or titrate is a base and…

Q: Number the groups/ substitutes based on Chan - Ingold - Pregold priority rules. Please also so B. C…

A: Stereochemistry is branch of chemistry in which we deal with three dimensional orientation of atoms…

Q: 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. Atom 1 Phosphorus Cobalt Germanium Silicon Potassium Cesium…

A: Metal is a class of substance characterized by high electrical and thermal conductivity and low…

Q: The structure of an amino acid is shown. Identify the amino acid. asparagine glutamine aspartate…

A: The amino acids are the building block of protein.  They have one carboxylic group, one amino group,…

Q: Summarise the above potential data by means of a Latimer and Frost diag

A: Latimer diagram is the diagram of a reaction involving the electrode potential and oxidation number.…

Q: Consider the reaction H₂O(g) = H2(g) + O2(g) 1/ a. calculate K, at 298 K. b. calculate the degree of…

A: Solutions A) Calculate kp at 298k = ? B)  Calculate degree of dissociation C) Calculate kp at 373k…

Q: 8. The electrolysis of copper (II) sulfate using carbon electrodes is demonstrated to a chemistry…

A: Given :  Current (I) = 1.50 A  Volume = 75.0 ml  Concentration of CuSO4 solution = 0.125 mol/L

Q: The table of "Axial Strain Energies for Monosubstituted Cyclohexanes" found in the "Strain Energy…

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Q: [References] Write an acceptable IUPAC name for the compound below. Include 'cis' and trans' as part…

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Q: Iodide concentration in a 0.6712-g sample was analyzed by titrating it with exactly 50.00 mL of…

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Q: Arrange the compounds by increasing boiling point. Lowest boiling point CH₂CH₂CH₂CH₂CH₂ CH,CH,CO,CH,…

A: Boiling point can be defined as the temperature  at which a liquid starts converting into vapour…

Q: How much Cu²+ is needed to precipitate cupric hydroxide (Ksp = 2.2 x 10-20) if there is 4.3 x 10-8 M…

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Q: At a certain temperature the rate of this reaction is first order in H₂CO3 with a rate constant of…

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Q: Question 16 Caffeine, benzoate, and aspartame content of mountain dew soda was determined using…

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Q: Balance the following redox reactions: 1. Al(s) + NO3-(aq) → Al(OH)4-(aq) + NH3(g) [basic] 2. Cu(s)…

A: We have to balance the given redox reactions. The given redox reactions are  Al(s) + NO3-(aq) →…

Q: Please explain how the product shown is formed from the starting materials and reagents NaOH, heat &

A: Let us discuss the reaction mechanism of the given reaction.

Q: Given the reactions, X(s) + 1/2O₂(g) → XO(s) XCO3(s) what is AH for this reaction? X(s) + O₂(g) +…

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Q: Question 15 Which of the following techniques measures spectra following excitation with…

A: Two questions based on spectroscopy that is to be accomplished.

Q: If you do Beer's law experiment with a constant wavelength of 550nm light and 100mM concentration of…

A: A multiple choice question based on absorption that is to be accomplished.

Q: When will the rate of the reaction decrease as the temperature is raised?     ∆Ea = +     ∆Ea =…

A: We have to tell when will the rate of the reaction decrease as the temperature is raised. The given…

Q: calculate the number of moles of H2 SO4 in one liter ie the molarity

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Q: Maria was tasked to determine the concentration of a Fe2(SO4)3 solution. She prepared 5 different…

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Q: Direction: Write the chemical structure of the peptide fragment formed by condensation reaction…

A: condensation reaction

Q: Telephone Number: 7738-17 Email: tpchrdnova@gmail.com NAME: GRADE & SECTION: SUBJECT TEACHER:…

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Q: Balance the following reactions by the half-reaction method in acidic conditions (include phases at…

A: We are authorised to solve only one question at a time. Please post rest of the questions…

Q: Question 1 Which of the following column CANNOT used for a reverse phase HPLC? O A. C4 O B. C8 O C.…

A: Silica column can not used for a reverse phase HPLC .

Q: Label the molecules as cis or trans. Br B) CI 2 Br 6 Br D) -0 Br

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Q: Which of the following compounds is a carboxylic acid? Select one: a. CH3COO-K+ b. CH3COOH c.…

A: The organic compound is formed by two main elements, carbon, and hydrogen. The specific group of…

Q: 1, Br₂, Fe Brz 2. Li 3. Cu I er Cl₂, FeCl Ph₂CuLi

A: In this question, we will write the reaction mechanism for the reaction.  You can see below in the…

Q: he decomposition of N₂O on a platinum surface has a rate constant, k = 1.48 x 10-3 M s-1. 2 N₂O (g)…

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Q: Caffeine, benzoate, and aspartame content of mountain dew soda was determined using reverse phase…

A: The concentration of aspartame is 5.0 mg/mL.

Q: The relative peak areas and retention for a mixture of five fatty acids separated by GC is given in…

A: Formula for this is: (Area / total area) * 100

Q: How do you prepare a 5 M of CaC2O4 in a 300 mL solution?

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Q: You may want to reference (Page 834) Section 18.3 while completing this problem. Part A If 130.0 mL…

A: 130.0 mL of 0.0020 M Na2SO4 is saturated with CaSO4 .We have to find out the grams of CaSO4…

Q: The emf of the cell reaction The standard electrode potentials for the half cell reactions are: Zn →…

A: