Select the isotope deuterium, 2H. What is the relative mass loss of deuterium, 2H, in g/mol?

Q: What is the molar concentration of Na+ ions in 0.0350 M solutions of the following sodium salts in…

A: Given:: [NaBr] =0.0350 M  [Na+] = ?

Q: Question 5 A beaker contains 10.888 mL of a 0.111 M solution of CSOH. This is titrated with 13.81 mL…

A: pH is the measurement of acidic strength or basic strength  If pH is greater than 7 then the nature…

Q: Illustrate (hand-drawn) the mechanism of intrahemiacetal or intrahemiketal formation in the…

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Q: 4.) The dissociation energy of a carbon-bromine bond is typically about 276 KJ/mol. What is the…

A: Given, the bond dissociation energy of a carbon-bromine bond = 276 kJmol We have to find the maximum…

Q: What must be true about the change in total potential energy of a collection of atoms for a stable…

A: The process in which the potential energy of the system decreases will stabilize the process.

Q: A sample of gas occupies a volume of 73.8 mL. As it expands, it does 122.5 J of work on its…

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Q: Using Hess's Law, calculate for the change in enthalpy of the given reaction. Calculate ∆ H for…

A: Given,  2NO2 (g) + 2NO(g) + O2 (g) →2N2O4 (g) ∆H1 = −228.54 kJ4NO(g) + 2N2O(g) + 5O2 (g) →4N2O4 (g)…

Q: A 4.10 g sample of an unknown compound containing only C , H , and O combusts in an oxygen‑rich…

A: Mass of the compound = 4.10 g Mass of water = volume * density = 3.36 mL * 0.998 g/mL = 3.35328 g…

Q: What is the pH of a 0.0306 M formate (CHO2-) solution at 25 °C (Ka for HCHO2 = 1.8 × 10-4)? (the…

A: Given data: Concentration= 0.0306M  Ka = 1.8 * 10-4 Temperature = 298K

Q: Give the clear handwritten answer..

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Q: Calculating reaction entropy using the standard mölår ehtroples. Using the thermodynamic information…

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Q: An uninsulated steam pipe passes through a room in which the air and walls are at 28°C. The outside…

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Q: The mole fraction of silver acetate, AgCH3COO, in an aqueous solution is 7.96x10-2. The percent by…

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Q: 3) Calculate the pH after titration of 30.00 mL of 0.10 M HOCl solution (ka=2.9x10^-8) with 25.00 mL…

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Q: A mixture that is 5.2x10-2 M in NaC,H3O2 and 5.4x10-2 M in Ba(C2 H302)2- Express your answer using…

A: Given, [NaC2H3O2]=5.2×10-2M[Ba(C2H3O2)2=5.4×10-2M

Q: 3. For each of the molecules in the list below, give the following information: A. CH:F i. Best…

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Q: What is the energy of the radiation emitted when an electron in a hydrogen drops from an energy…

A: 13) Given, Electron in a hydrogen drops from n = 6 to n = 4 ninitial = 6 nfinal = 4 Energy of the…

Q: Provide structurets) for the starting material(s), reagent(s) or the major organic productis) of…

A: ->Alcohol reacts with acetic acid and form ester.

Q: 2. Are the following compounds likely to dissociate, partially dissociate, or not dissociate when…

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Q: 3. The following analyses were performed for a water sample at 25 C pH [Ca Total alkalinity Total…

A: We have find out the Langelier Saturation Index for this water and also find out this water has the…

Q: What is the difference between an electrolyte and a chemical device in The method of work and device…

A: Electrolyte :- Generally it is a solution of Ion.A solution which can produced electricity.…

Q: Ammonia, NH,, reacts with oxygen to form nitrogen gas and water. 4 NH, (aq) + 30,(g) → 2 N,(g) + 6…

A: Given-> Weight of NH3 = 3.25 gm Weight of O2 = 4.88 gm Volume of N2 = 0.850 L T = 295 K P = 1.0…

Q: Calculate the percent dissociation of acetic acid (CH;CO,H) in a 0.35M aqueous solution of the…

A: Taking, Ka for acetic acid = 1.8x10-⁵

Q: electron configuration(s) for silver?

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Q: E. BRCN (C in center) 2. A. CO2 B. NO: C. NH;CI D. SO, Best Lewis Structure (show all electrons and…

A: We have find out Best Lewis Structure  e geometry Approx. Bond angles Polar or non-polar  Total lone…

Q: 2. A voltaic cell is constructed by immersing a strip of copper metal in 1.0 M CuSO, solution and a…

A: 2.) We would use the given information to predict about copper electrode.      Note : As you have…

Q: Which of the following do you expect to be optically active? Encircle the letter(s) corresponding to…

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Q: Part B Calculate the entropy of each of the following states. (Figure 1) State (b). S = 0 J/K Submit…

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Q: Question 17 A beaker contains 100 mL of a 2.27 M HCN, 2.27 M CN" buffer solution. Then, 25.6 mL of a…

A: Recall Henderson Hasselbalch equation to find the value of pH of a buffer solution…

Q: A certain amount of glucose (C6H1206) reacted through a combustion reaction using sufficient amount…

A: First we would write a balanced chemical equation for combustion of glucose.  Then using given…

Q: when an electron in excited energy level drops to a lower energy level, a photon is emitted.    if…

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Q: etimes used to infla grams of CaH2 are

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Q: Which of the following statements is TRUE? O A. Entropy increases when the system becomes more…

A: The reaction in which heat is released is called as exothermic reaction.

Q: Concentration of hydrobromic acid (M) 2.04 Concentration of potassium hydroxide (M) 2.12 Calorimeter…

A: 1.) Mass of solution can be calculated from Total mass of acid and base added . Density would be…

Q: For each compound on the left, which compound on the right can be combined with it to generate a…

A: Buffer solution: The solution that resists the change in pH is known as a buffer solution. The…

Q: 19. Compared to blood, how should Solution A (0.4 M NaCl) be classified? Choose... 20. Describe what…

A: As per our Guideline we can solve one question or 3 sub parts So please post remaining question…

Q: What is the name of the binary molecular compound N5O8? Enter the name in all lowercase letters with…

A: The name of the binary molecules are

Q: The mechanism for photodimerization of B is shown below: B+ hv – B* k1 B* +B- B2 k2 B* B+ hv' k3…

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Q: From the list of acid-base indicators below, select the one BEST indicator for a titration with an…

A: The indicators are chemical compounds that show changes in color at a definite change in pH. Hence,…

Q: Using molecular properties, explain why bromine is more disordered than mercury. Select those that…

A: Given that, We have water, mercury,and bromine I.e.three liquids at standard temperature. Also Given…

Q: uestionTET Ksp for Pbl2 is 9.07E-6. What is the solubility of Pbl2 in g L-1? (molar mass: 461.01 g…

A: Given that:  Ksp for PbI2 = 9.07×10-6 PbI2(s) <......> Pb2+(aq) + 2I-(aq)

Q: Determine the pl for this synthesized pentapeptide: A-B-C-D-E Given that the pK values for the amino…

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Q: There are 14.5 psi per bar. Calculate the pressure in psi at 2.8 bar. Answer:

A: It is an example of conversion factor  We are required to convert bar to psi

Q: Manganese has a face-centered cubic lattice. The cell dimension is 3.86 Å. Calculate the closest…

A: Given: Manganese has a face-centered cubic lattice. The cell dimension = 3.86 angstroms We have to…

Q: 1. Identify A-E in the scheme below: CH:(CH2),Br B NaH LDA A Isobutyl bromide 1) DIBAL-H 2) H30* E.

A: Initially reactant is given and we have to determine multiple products at various steps of provided…

Q: Draw the major organic product X for the below reaction. H, но, H + Brz x + HBr +

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Q: H.

A: -CHO functional group is known for aldehde.

Q: Aluminum reacts with excess hydrochloric acid to form aqueous aluminum chloride and 35.8 mL of…

A: Given :-  Al + HCl → AlCl3 + H2  Volume of H2 = 35.8 mL  Temperature = 27°C  Pressure = 751 mm Hg…

Q: Rank the following from greatest molar solubility (4) to the least molar solubility (1). Assign a…

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Q: The pKa of benzoic acid is 4.2 Using henderson hasselbalch equaequation calculate the ratio of…

A: Given:: pKa = 4.2 pH = 7.9 ratio [R-COOH] : [R-COO-] = 1: ?

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.