Propose mechanisms for the following reactions.

Q: The pH of a solution of HBr was 2.633. What was the hydronium ion concentration?

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Q: show that the equilibrium constant fc 2 en defined in the earlier problems 1-3 e numerical values at...

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Q: What mass of CO2 is produced in the complete combustion of 5.85 g of C3H8 to CO2 and H2O? Consider t...

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Q: A gas made up of atoms escapes through a pinhole 0.225 times as fast as H2 gas. Write the chemical f...

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Q: 1 mole of an unknown halogen has a mass of roughly 160 g at standard temperature and pressure.  Whic...

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Q: Classify the solution as acidic, basic or neutral. 1. [H3O+] = 2.6 x 10-3 M     2. [H3O+] = 2.6 x 10...

A: pH is a measure of acidity / basicity of solution. When pH is lower than 7 solution is acidic in nat...

Q: Rank the effective nuclear charge Z experienced by a valence electron in each of these atoms: atom Z...

A: Effective nuclear charge (Z*) is the net nuclear charge experienced by an electron when the whole nu...

Q: The liquid bromopentafluorobenzene has a density of 1.98 g/mL at 25.0°C. If a 107 gram sample of thi...

A: Applying formula of  density  d= m/V  

Q: 5 Thermochemistry deals With (

A: As per our guidelines, we are supposed to answer?️ only one question. Kindly repost other questions ...

Q: 9)

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Q: Balance the following chemical equation (if necessary): BF,(s) + Li,SO;(s) - LiF(s) + B2(SO3)3(s)

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Q: Determine the balanced equation for the precipitation reaction resulting from mixing the pairs of io...

A: Given: To determine the balanced equation a) Aqueous sodium carbonate reacts with aqueous copper(II)...

Q: 6)

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Q: DDT (molar mass = 354.49 g/mol) was a widely used insecticide that was banned from use in the United...

A: The time in which the concentration of a reactant is reduced to half of its initial concentration is...

Q: A student determined the concentration of copper by ion exchange. He obtained the following results:...

A: Answer:- This question is answered by using the simple concept of calculation og moles using the giv...

Q: Using the equations H₂ (g) + F₂ (g) → 2 HF (g) ∆H° = -79.2 kJ/mol C (s) + 2 F₂ (g) → CF₄ (g) ∆H° = 1...

A: The question is based on the concept of hess law. it states that net enthalpy change of a reaction r...

Q: determine the electron group geometry, molecular geometry, and ideal bond angles for the following p...

A: The electron geometry and other properties of the molecule or polyatomic ions are based on the VSEPR...

Q: Determine if each solution is acidic, basic, or neutral.  1.[H3O+] = 1 x 10-10 M; [OH-] = 1 x 10-4 M...

A: Given, 1.[H3O+] = 1 x 10-10 M; [OH-] = 1 x 10-4 M     2. [H3O+] = 1 x 10-7 M; [OH-] = 1 x 10-7 M    ...

Q: Balance the following chemical equation (if necessary): Ca(C2H;O2)2(aq) + Na,CO;(aq) → CaCO;(s) + Na...

A: Answer:- This question is answered by using the simple concept of balancing the chemical equation wh...

Q: What is the structural formula for the following?

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Q: Please give the IUPAC name. Thank you

A: The IUPAC name of the given compounds has to be given.

Q: A buffer was prepared using the weak base,NH3 of 0.200M, and NH4NO3 of 0.200M,the salt of its conjug...

A: Given  [NH3]          = 0.200 M  [NH4NO3]   = 0.200M  PH  =  ? The buffer is called basic buffer whe...

Q: Dimethylnitrosamine, (CH3)2N2O, is a carcinogenic (cancer-causing) substance that may be formed in f...

A: Since you have posted a  question with sub-parts , we are entitled to answer the first three sub-par...

Q: Please identify the product for the following reaction: H,0 H,0 он OH он но H. b) c) d)

A: The reaction scheme is generally framed by considering the factors like atom availability and reacti...

Q: If 1.00 g of a mixture of AgCl and AgBr contain 0.6635 g of Ag, what is the percentage of bromine?

A: The percentage mass of bromine has to be given,

Q: Given= 3.0 M Ca(oH)2 & 2.5L Looking For = g CacOH). M × L = (3.0MX2.5 L) mol= 7.5 mol CaloH )2 M= mo...

A: The weight of Ca(OH)2 has to be given,  

Q: An 8 oz bottle of Dr. Pepper made with imperial cane sugar (C12H22O11) contains 27 g of sugar in 266...

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Q: Chemistry Question

A: The difference between dissociation and solvation is that dissociation is the breakdown of a substan...

Q: A solution is made by dissolving 70.0 grams of KNO3 (s) in 100 grams of water at 50°C and standard p...

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Q: 8.00 g of iron when burned in air yields 11.44 g oxide. What is the empirical formula of this oxide?...

A: mass of oxygen= mass of oxide - mass of Fe(iron)

Q: Writing and Balancing Equations Kindly answer nos. 18 - 20 in the given image.

A: A balanced equation is the equation in which equal number of atoms are present on both the sides of ...

Q: When heated, KClO3KClO3 decomposes into KClKCl and O2.O2.   2KClO3⟶2KCl+3O22KClO3⟶2KCl+3O2   If this...

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Q: Radon is a naturally occurring radioactive gas found in the ground and in building materials. It is ...

A: From Ideal gas equation, Density of the gas can be calculated. By using following formula we can cal...

Q: Terephthalic acid is an important chemical used in the manufacture of polyesters and plasticizers. I...

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Q: The following IR spectra is associated with one of the aromatic compounds below. Identify the compou...

A: The structures of given compounds are:

Q: Based on your knowledge of Fischer projections and of Haworth structures, draw the two closed struct...

A: Based on your knowledge of Fischer projections and of Haworth structures, the two closed structures ...

Q: Tungsten metal crystallizes with a body-centered cubic unit cell. The volume of the cell is 0.0317 n...

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Q: Calculate the standard internal energy of formation of urea, (NH2)2CO, if its standard enthalpy of f...

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Q: Chloroacetic acid, HC 2 H 2 ClO 2 , has a greater acid strength than acetic acid, because the electr...

A:  Given data are as follows chloroacetic acid strength=0.002M  Ka = 1.3 * 10- 3   

Q: A 5.30 mLmL sample of an H3PO4H3PO4 solution of unknown concentration is titrated with a 1.100×10−2 ...

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Q: The pH of pure water at 80C is 6.31. What is the Kw at 80C

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Q: The reaction of limestone with hydrochloric acid is   CaCO3+2HCl⟶CaCl2+CO2+H2OCaCO3+2HCl⟶CaCl2+CO2+H...

A: weight of CO2 can be found out by mol ratio.

Q: QUESTION 7 How many grams of LigN can be formed from 1.75 moles of Li? Assume an excess of nitrogen....

A: Applying concept of limiting reagent and mole concept.

Q: How will you recognize that a single replacement reaction has occured when you comine: (a) an active...

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Q: Remember that you are dealing with aluminum metal. There does not appear to be any solid aluminum in...

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Q: Explain how the distribution of kinetic energies of the molecules in a sample is affected by: the u...

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Q: For the Contact Process seen below, which of the following is true concerning the reaction rate and ...

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Q: A chemist adds 210.0 mL of a 3.63 x 10 -5 mM mercury(II) iodide (Hgl,) solution to a reaction flask....

A: Number of moles = Volume (L) x Molarity Mass = Number of moles x molar mass 1 g = 106 micro gram

Q: For each chemical reaction listed in the table below, decide whether the highlighted atom is being o...

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Q: Explain why the reaction shown below is a single replacement reaction Zn (s, bluish-white) + CuSO4 (...

A: There are two types of replacement reactions :-  single replacement reaction  double replacement re...

Aromatic Compounds

Aromatic organic compound or aromatic system is an important class of hydrocarbons under the branch of organic chemistry. Aromatic compounds are also called arenas. The definition of aromatic organic compounds can be stated as a class of organic compounds with a planar cyclic ring of atoms bonded through alternated single and double bonds. Due to these alternating bonds, a peculiar feature termed as ‘resonance’, that is, delocalization of pi electrons or the electrons is shared within the atoms of the ring which are present in the aromatic compounds. The word ‘aromatic’ includes a Greek word ‘aroma’ which means smell, indicating that they were named as such due to the sweet odor they produce. Many well-known flavors such as vanilla, cinnamon, and few scents from flowers are extracted from aromatic compounds. Benzene with chemical formula C6H6 is a very common aromatic compound that contains six atoms of carbon held in the cyclic ring of alternate double bonds. It is also to be noted that not all aromatic compounds contain benzene ring. This can be explained by Huckel’s rule.