Cite 3-5 possible applications of determining the melting point of a substance. Explain briefly.

Q: The give reaction is C6H12O6 (s) + O₂(g) → CO₂ (g) + H₂O (1) Asrxnnxsº (products)->nxsº (reactants)…

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Q: 1) Indicate chemically equivalent nuclei (e.g. Ha, Hb, Hc). 2) Estimate the chemical shifts on the…

A: Note:According to our guidelines we are supposed to answer only first three subpart.kindly repost…

Q: ек ного сап ше benzene но synthesize this molecule from N

A: Given is organic compound.

Q: using the classicial definition of kinetic energy K=1/2mv^2 and the quantum mechanical definition of…

A: From classical definition of kinetic energy and momentum, the relation between them is given as,…

Q: Provide the reagents necessary to carry out the following synthesis Drag the appropriate labels to…

A: Complete reaction step is given below in next step

Q: Balance the reaction between HCIO and Fe to form Cl₂ and Fe2+ in acidic solution. When you have…

A: For Balancing an equation in acidic medium following steps are carried out 1. Separate oxidation and…

Q: Identify the most resonance stabilized structure. Formal charges are not shown. :NEN-Ö: :N=MÔ:…

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Q: 13a. Eugenol, the essence of cloves, is a colorless oil. Eugenol is 73.15% C, 7.37% H, and 19.48% O…

A: Well, first of all we will calculate the empirical formula. We know mass of  Carbon=12u Hydrogen=1u…

Q: When sodium compounds are heated in a bunsen burner flame, they emit light at a wavelength of 5890…

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Q: } 8 ९ - 8 HO.

A: The Reagents are used to convert one group to other using Oxidizing  and Reducing Agent .

Q: 1. A substance that gives up or donates hydrogen ions during a chemical reaction. a. Bronsted-Lowry…

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Q: What is the calculated value of the cell potential at 298 K for an electrochemical cell with the…

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Q: By watching this video, https://www.youtube.com/watch?v=lgX-7h-mEYw.  What is the purpose of NaCl…

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Q: Exod add ni ny 15. Which of the following Newman projections depicts a meso compound? CH3 CH3 H. CI…

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Q: Molten CaCl₂ can be electrolyzed to form metallic Ca. For what duration should an electrolysis be…

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Q: How long must a current of 0.40 AA   A pass through a sulfuric acid solution in order to liberate…

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Q: Circle the main chromophore of the following structure. Boo -N. N- OH

A: The main chromophore in the following structure is:

Q: Predict and explain your prediction briefly, using resonance structures, whether 2,2,2-…

A: The solution is given below -

Q: A 50 mL solution of 0.08 M KCN (aq) is titrated with 0.125 M HCl (aq). Calculate the pH at the…

A: Answer: In this question we have to find the pH of three types of solutions: 1. Buffer solution 2.…

Q: A gas exerts a pressure of 600 mmHg at 28°C. What is the temperature at standard pressure

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Q: The coffee cup calorimeter was determined to have a heat capacity of 8.5 J/ °C. The initial and…

A: Since heat capacity is given, we need to calculate the change in temperature. And we know  q=C∆T…

Q: 8. Which of the following depicts the energy profile of a nucleophilic substitution reaction that…

A: SN2 = substitution nucleophilic bimolecular  Rate determining step involves two species i.e. alkyl…

Q: For each item, indicate if it is true for galvanic cells only, electrolytic cells only, both or…

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Q: A sample of methane gas collected at STP occupies a volume of 16.0 L. How many moles of gas does the…

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Q: Ca²+ (aq) + 2e → Ca(s) OA.0.21 V OB. -0.47 V OC -0.21 V OD.0.47 V OE. 0.42 V A Moving to another…

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Q: a which of the following monomers could form an addition polymer? O C5 H12 CH3-NH, HỌ–CH2–CH(CH3)—OH…

A: Polymer can be defined as the large macromolecule that is made up of large number of monomer units.

Q: How many calories could be needed to melt 10 grams of ice at 0 c

A: Heat is required to convert ice at zero degree Celsius to water at zero degree Celsius.hence only…

Q: Electrons are produced at the cathode of a voltaic cell. True or False True False

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Q: I Which structure is the ring-flipped (chair-flipped) version of this molecule? A. B. E. Ö لسلام D.

A: On chair flipping, the atom or group on equatorial position will come to the axial position and the…

Q: CH3 o-nitrotoluene CH3 NH, CI 2 o-toluidine NO2 NH,HCO2 10% Pd/C Step 1 1) NaOAc, H₂O 2) CI Step 2…

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Q: What is the pH of a 0.0025 molar acidic solution?

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Q: (b) Ni(CO) 3 (PMe3) has C3v symmetry. Using the information provided below determine how many v(CO)…

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Q: Complete and balance the following half-reaction in acidic solution. Be sure to include the proper…

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Q: O C5 H12 CH3-NH, ⒸHO-CH₂-CH(CH3)-OH O C₂H3 CN

A: Answer - The correct option is (c) HO-CH2-CH(CH3)-OH Explanation - According to the question -…

Q: 5. Propose a structure for a compound, with molecular formula C8H19N, that fits the following…

A: Molecular formula C8H19 N Formula for degree of unsaturation of a molecule CnHx Ny = n+1-x2-y2 Now…

Q: Krypton-81 has a half-life of 2.29 × 105 years. A 750-mg sample of Krypton-81 undergoes electron…

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

Q: Which statement about electromagnetic radiation is false? a) As frequency increases, wavelength…

A: Here, we have to find the statement that is false about electromagnetic radiation.

Q: What is the purpose of NaCl in the experiment? Will the same result be obtained if thereacting…

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Q: e standard reduction potentials to determine the approximate magnitude of the equilibrium constant…

A: Given-> Fe2+(aq) + 2e- ------> Fe(s)    E°= -0.44 V Cr3+(aq) +3e -----> Cr(s)         E°=…

Q: Indicate which of the following sets of quantum numbers in an atom are unacceptable and explain why:…

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Q: Chemistry Do you expect the acid/heat or enzymatic hydrolysis to be more effective? Explain your…

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Q: . 10.60 mL of 0.3490 M aqueous HCI is required to titrate 66.00 mL of an aqueous solution of NaOH to…

A: Here we are required to find the Molarity of NaOH.

Q: H i HO +H NaOH heat 1. CH3MgBr 2. H3O+

A: All these given reactions involves carbonyl as the major functionality and provides several…

Q: A ¹H NMR spectrum of CH3CHBr₂ shows two signals. What are the multiplicities and assignments of…

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Q: How many electrons can fill the following orbital? 1 4200 = 2√√√(2-2) e e-r/2ao ao 01 0 02 0 3

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Q: DIRECTIONS: Complete the given Table 1 on the next page. Choose the correct answer from the…

A: Answer : 1) Equilibrium Reaction :         H2(g) +Cl2(g)  ⇌ 2 HCl(g)   Keq Expression :…

Q: The boiling point of ethanol CH3CH₂OH is 78.50°C at 1 atmosphere. A nonvolatile, nonelectrolyte that…

A: Here we have to calculate the mass of chlorophyll dissolved in 259 gram of ethanol to raise the…

Q: Which terms describe the relationship between the following molecules? "CI CI I. Enantiomers…

A: In this question we have to tell the relationship between the molecules.

Q: What is the pKa of an acid if a buffer made from 0.045 mol of the acid and 0.060 mol of its…

A: Given :: Moles of acid = 0.045 mol moles of conjugate base = 0.060 mol pH=3.75 pKa = ?

Q: Determine the pH of a buffer solution consisting of 35.0g HC2H3O2 (MW = 60.06 g/mol) and 55.0g…

A: Given, mass of HC2H3O2 = 35.0 g Molar mass of HC2H3O2 = 60.06 g/mol mass of NaC2H3O2 = 55.0 g Molar…