It is only possible to have pi delocalization if there are no unhybridized p-orbital in a carbon atom. a. True b. False

Q: What are three observations that would indicate a chemical reaction has taken place?

A: When a chemical reaction takes place, some changes are observed. These changes help us to check that...

Q: Identify the peaks and structure.

A: NMR is the nuclear magnetic resonance spectroscopy that falls under the radio frequency region of el...

Q: 1. For sodium perchlorate, AH =U= -382.9 and AH) =AHRydrationm =-369.5. What is AH,oln ? Is it an en...

A: Given that, for sodium perchlorate, ∆H0fs = U =-382.9 KJ/mol. Also, ∆H0faq =∆H0hydration = -369.5 kJ...

Q: If the alcohol below is oxidized as many times as possible, what product will result? OH H. HO,

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Q: What are the problems encountered if tablets are under or excessively lubricated?

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Q: A certain reaction is second order in N, and first order in H,. Use this information to complete the...

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Q: 1. Which match is correct for thermal [2+2] cycloaddition reaction (a) suprafacial /suprafacial →All...

A: [2+2] cycloaddition

Q: How many mL of 15.8 M nitric acid should be diluted to 0.250 L to make 3.00 M HNO3?

A: Given  Initial Molarity of HNO3  ( M1 ) = 15.8 M  Final Volume ( V2 )   =  0.250 Liter              ...

Q: This is a pushing question. One frequency for ultraviolet blacklights used in nightclubs is 8.11 x 1...

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Q: 32/quizzes/982684 bflow 101 Chem101 Tophat U USU Tutoring Scholarships :) Morgage Ar OneNote Accordi...

A: Energy required to excite electron form groud state n=1 to n= 4 is highest . 

Q: Problem 48 - IR spectrum Problem 48 C10H200 40- MW = 156 35- 30- 25- 20- 15- CDC1; 10- 3500 3000 250...

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Q: 3) Arsenic acid has 3 pK,'s: 2.19, 6.94, and 11.51. Determine the concentrations of all the species ...

A: Since you have asked multiple questions, we will solve the first one for you. For remaining question...

Q: 5) Suggest the reagents required to produce the ff compounds: А. H. - CH3 В. С. :0: air,

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Q: pH

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Q: The equilibrium constant, Ka, for the following reaction is 1.29x10-2 at 600 K. coCI2(g) co(g) + Cl2...

A: The balanced equilibrium reaction given is  COCl2 (g) ⇌ CO (g) + Cl2 (g)  The equilibrium constant K...

Q: When calibrating a pH meter, 3 (three) standard color-coded buffer solutions are used, which of thes...

A: The correct answer about PH calibration is given below

Q: Problem 42 C13H9NO3 Problem 42 - 'H NMR spectrum (CDC13, 500 MHz) MW = 227 2H =, CDC13 2H =, CDCI; 1...

A: NMR spectroscopy measures the effect of external magnetic field on the nuclei and helps in analysis ...

Q: A destabilizing structural effect arising from the repulsion of electrons of two groups as they pass...

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Q: sa dipole moment?

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Q: Use orbital notation showing the correct ground state electron configuration for the following eleme...

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Q: How many moles of Mg are there in a sample of Mg that contains 1.36x1024 atoms? moles

A: Given Atoms of Mg = 1.36 x 1024 atoms

Q: grams

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Q: Name three trivial differences between crystals of the same compound and three properties that canno...

A: Answer :

Q: TRUE OR FALSE a) Organic compounds are normally analyzed in atomic spectroscopy despite their small...

A: This is a False statement.  This statement is false because organic molecules are normally analysed ...

Q: fa glycogenin enzyme synthesizes an a-1,4-glucose polymer 12 glucosyl elycogen synthesis? O glycogen...

A: Different reaction occur for glycogen synthesis

Q: Example 3 A sample of zinc anode corrodes uniformly with a current density of 4.27 x 107 A/cm² aqueo...

A:   Step = 1st Solution      The following reaction:            Zn→ Zn 2+ + 2e Corrosion Rate =     (...

Q: Determine the molar mass of an unknown nonvolatile solute of nonelectrolyte compound raising the boi...

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Q: What is the molar ratio of the balanced chemical equation? N2H4 (l) + N2O4 (l) → 2

A:   Given reaction is hydrazine reacts with dinitrogen tetraoxide to give nitrogen gas and water  To t...

Q: One way the U.S. Environmental Protection Agency (EPA) tests for chloride contaminants in water is b...

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Q: 1. How many MOLES of boron trichloride are present in 4.21 grams of this compound ? moles. 2. How ma...

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Q: For the reaction N2(9) + O2(9) = 2NO(g) classify each of the following actions by whether it causes ...

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Q: Pureed apricots have a pH of 3.83. This is due to the presence of Vitamin C, citric acid, in the pur...

A: Citric acid dissociates as follows: H3C6H5O7⇌H++H2C6H5O7-C                      0          0C-x     ...

Q: Identify the molecular orbital indicated by the arrow. Answer in this format: sigma sp3-sp3 In case ...

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Q: 2. Meanwhile, Jenny is given 250 mL of solution which is 0.0376 N Magnesium iodide from a pure solid...

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Q: Which among these have the highest boiling point? Rank them from A-D. Methanol, water, ethanol, and ...

A: The boiling point of a compound depends upon intermolecular forces and molecular mass. Greater the i...

Q: Silver chloride (AGCI) is a white-gray solid used to treat mercury positioning. A student vacuumed f...

A: The correct option is:  

Q: NH3: S= 193; H = -46.3 %3D HCl: S=187; H= -92.3

A: The reaction which are spontaneous is given below

Q: In the combustion of heptane, CO2 is produced Assume that you want to produce 600kg of dry ice per h...

A: The combustion of heptane takes place by the reaction of heptane with oxygen which yield carbon diox...

Q: a. Two compounds have the same composition: 92.25% C and 7.75% H. Obtain the empirical formula corre...

A: Empirical formula is the simplest formula of a compound where atoms of participating elements are pr...

Q: Balance the given molecular equation using redox (electron-transfer method). Identify the element ox...

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Q: A tertiary amine is more basic compared to a secondary amine. (A) True B False

A: Amines are Lewis base due to the presence of a lone pair of electrons on the nitrogen atom of amine.

Q: A solution is made by dissolving 22.5 mL of oil in enough gasoline to give 60.5 mL of solution. What...

A: Volume of solute (oil) = 22.5 ml Volume of Solution (gasoline + oil) = 60.5 ml To find %(V/V) of oil...

Q: Part A An iron ore sample contains Fe2O3 together with other substances. Reaction of the ore with CÓ...

A: Given, α Fe2O3 (s)  +  β CO (g)                     ϒ Fe (s)  +  δ CO2 (g)  Weight of Fe2O3 = 0.310 ...

Q: what steps would you take to compare 2 kilograms and 3200 grams

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Q: Describe main features of the evidence of M-CºC characterization and corresponding techniques of thi...

A: answer :

Q: molar ratio

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Q: At a certain temperature the rate of this reaction is first order in N,O, with a rate constant of 0....

A: The given reaction follows the first-order kinetics. The rate of the first-order reaction depends on...

Q: Solid zinc metal reacts with ssulfuric acid to form hydrogen gas and an aqueous solution of zinc (II...

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Q: 2 chlorobutane +sodium hydroxide = alcohol

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Q: Explain by investigating the adjustment of the sodium thiosulfate solution, and by writing the react...

A: Acidified solution of sodium thiosulphate are unstable because in thiosulphate, the two sulphur atom...