Q: hich element es each
A: Electronic configuration of element is the complete adress of electron that is electron is present…
Q: Q2:. (a) For a free electron with a velocity of lo' cm/s, what is its de Broglie wavelength. (b) In…
A: formula for this, de-broglie wavelength = plank const/(mass of electron*velocity)
Q: Nall Acetontrile
A: ->NaH is base which can abstract hydrogen and form alkene.
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A: A 2.0 mL aliquot of 5.0 M NaC solution is taken out and diluted to a volume of 10.00 mL. We are…
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A: Ans. Ketone bodies (acetoacetic acid, beta-hydroxybutyric acid, and acetone) are found in the blood…
Q: Consider the following reversible processes: XY (s) = x* (aq) + Y" (aq) Ksp1 = 0.25 CD2 (s) c2+ (aq)…
A: Given that, two reversible processes are XYs↔X+aq+Y-aq Ksp1=0.25CD2s↔C2+aq+2D-aq…
Q: 1.An expandable container contains 13 L of neon gas at 75 C. At constant pressure , what will be the…
A: Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: A sample of gas with volume 21.4 mL at STP is expanded to a pressure of 0.98 mmHg at a temperature…
A: Given :- initial volume at STP = 21.4 mL final pressure = 0.98 mm Hg final temperature = 24°C To…
Q: Calculate the Rf value of a spot if it travelled 1.5 cm while the solvent travelled 2.5 cm. Express…
A: Given : 1. Spot distance = 1.5 cm 2. Solvent distance = 2.5 cm
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Q: 5. Calculate the pH of At the second equivalence point when 0.10 M trisodium arsenate is titrated…
A: The solution of the given question is
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Q: 6.62 From the following data, TARIS → CO2(g) AHan = -393.5 kJ/mol C(graphite) + O2(g) H,(g) + 0,(g)…
A: Hess's law states that the enthalpy change for a reaction is the sum of the enthalpy changes of the…
Q: 0.336 M CH3NH3Br and 0.344 M CH3NH2 (methylamine). Determine the pH change when 0.078 mol NaOH is…
A: Buffer is prepared by weak acid or weak base with its conjugate base or acid ...
Q: 1. What is the pH of a buffer that contains 1.100 M NH3 and 1.300 M NH4+? Ka= 5.70x10-10 What would…
A: As per our guidelines, we are supposed to answer only one question. Kindly repost other question as…
Q: The solubility product for silver (I) bromide is 7.7 × 10–13. Calculate the molar solubility of…
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Q: True or false? The NMR signal of an alcohol or amine proton often presents as a broad signal due in…
A: The NMR signal of an alcohol or amine proton often present as a broad signal because hydrogen…
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A: A molecule will be stable molecule if it contains atom such that total charge on the molecule is…
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Q: In qualitative terms, how does Bohr's model account for the atomic spectrum of hydrogen? More than…
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Q: What is the concentration in %m/v of a 0.607 M aqueous solution of dimethyl ether (MM = 46.07…
A: In multiple questions, we solve only first questio according to the Bartleby guideline. Find out…
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Q: Which of the following statement(s) is/are true regarding free energy? (Select all that apply.) A…
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Q: H;C,. 13C, + enantiomer CH3 H3C
A: The reaction given is,
Q: 6. A double displacement reaction takes place between two ionic compounds that are dissolved in an…
A:
Q: The temperature of a sample of aluminum increased by 24.6 °C when 255 J of heat was applied.…
A: Given: Heat required = 255 J Change in temperature = 24.6oC Heat capacity of aluminum = 0.903 J/g oC
Q: Question 3 If in a certain Ostwald viscometer the fixed volume of water requires 243 seconds to flow…
A: Given data :
Q: A 22.3 mL sample of 0.344 M ethylamine, C2H5NH2, is titrated with 0.364 M perchloric acid. After…
A: Given, Volume of C2H5NH2 = 22.3 mL Molarity of C2H5NH2 = 0.344 M Molarity of HClO4 = 0.364 M…
Q: 2. Propose a mechanism for the transformation below. Be sure to show all intermediates, curved…
A: Carbocation stability, Tertiary carbocation is more stable than secondary carbocation....
Q: 3..Name the IUPAC for the following compound.
A:
Q: 2. Propose a synthesis for the following molecules – should not take more than 5-6 steps. Hint: they…
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Q: In a study of the thermal decomposition of ammonia into nitrogen and hydrogen:…
A: Given equation is : 2NH3 (g) <-------------> N2 (g) + 3H2 (g) The average rate of change in…
Q: (1) C(s) + O2(g) → CO2(9) AH = -393.51 kJ mol1 (2) S(s) + O2(g) → SO2(g) A:H = -296.83 kJ mol1 (3)…
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Q: A mixture of xenon and hydrogen gas is compressed from a volume of 82.0 L to a volume of 57.0 L,…
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Q: QUESTION 1 Convert a pressure of 74.5 cmHg to kPa.
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Q: Aniline, the molecule pictured above, is 0.125 M with a volume of 350 mL and is titrated with 0.250…
A: Given data,Molarity of aniline=0.125MVolume of aniline=300mLMolarity of HBr=0.250MKb of…
Q: 13. Description: “A dry porous mass of yellowish or yellowish-green color with a peculiar smell.…
A: A question based on general chemistry that is to be accomplished.
Q: draw the major product of the following reaction. 3. p-tert-Butylisopropylbenzene + HCrO, Acetone
A: ->H2CrO4 is oxidizing agent which can oxidize the alkyl group attached to benzene to carboxylic…
Q: Calculate the molar solubility of SrC204 in a solution that has a fixed H3Ot concentration of (Kp…
A: Given Ksp of SrC2O4(s) = 5.0*10-8 For H2C2O4, Ka1 = 5.60*10-2 , and Ka2 = 5.42*10-5 .
Q: 35. What is the amount of heat required to raise the temperature of 200.0 g of aluminum by 10°C?…
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Q: Consider the reaction CO(g) + Cl2(g)COCl2(g) Using the standard thermodynamic data in the tables…
A: Answer: -60.62 KJ/mol
Q: a) b) NH2 с) Но d) 1. NaH OTf 2. CH212, Cu-Zn, diethyl ether
A: Answer of the question given below,
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Q: (a) Which is more likely to be paramagnetic, Fe(NO,)6 or Fe(OH)6 ? Fe(OH),+ O Fe(NO2)6* 4- (b) Why?…
A: Strong filed ligand occurs pairing...
Q: 4. The redox reaction between KMNO4 and Na C2O4 is shown in equation 1 of the Introduction. A…
A: Given, Volume of Na2C2O4 = 25.0 mL Normality of Na2C2O4 = 0.75 N Volume of KMnO4 = 14.8 mL…
Q: N. IZ
A:
Q: Consider the following reaction where Kc = 10.5 at 350 K: 2 CH2CI2 (g) CH4 (g) + CCI4 (g) A reaction…
A: GIVEN:-
Q: LESSON: Acid-Base Titration Answer the following questions. 1. Why is there a need to standardize…
A: Since you have asked multiple question, we will solve the first question for you.If you want any…
Q: Review | Constants | Part B Calculate the pH of a 0.10 M solution of hypochlorous acid, HOCI. K, of…
A: HOCl is a weak acid which undergoes partial dissociation in aqueous medium. The degree of…
Identify the reddish brown species obtained when the cyclopentadiene reacted with
KOH. Why are the species and ferrocene
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- One step in the synthesis of dodecahedrane involves reaction of the tetraene C with dimethylacetylene dicarboxylate (D) to afford two compounds having molecular formula C16H16O4. This reaction has been called a domino Diels–Alder reaction. Identify the two products formed.What are the possible causes of low percentage yield in the preparation of tetraphenylcyclopentadienon using a reaction between benzil and dibenzyl ketoneExplain why the ratio of reactants of Nitration of Bromobenzene and reactants of friedel-crafts alkylation of p-Xylene with 1-Bromopropane are different.
- Explain, with reference to the mechanism, why addition of one equivalent of HCl to diene A forms only two products of electrophilic addition, even though four constitutional isomers are possible.When anthracene is added to the reaction of chlorobenzene with concentrated NaOH at 350 °C, an interesting Diels–Alderadduct of formula C20H14 results. The proton NMR spectrum of the product shows a singlet of area 2 around d 3 and abroad singlet of area 12 around d 7. Propose a structure for the product, and explain why one of the aromatic rings ofanthracene reacted as a dieneA transannular Diels–Alder reaction is an intramolecular reaction that occurs when the diene and dienophile are contained in one ring, resulting in the formation of a tricyclic ring system. Draw the product formed when the following triene undergoes a transannular Diels–Alder reaction.
- Electrophilic bromination of an equimolar mixture of methylbenzene (toluene) and (trifluoromethyl)benzene with one equivalent of bromine gives exclusively 1-bromo-2-methylbenzene and 1-bromo-4-methylbenzene. Explain why none of the (trifluoromethyl)benzene reacts Explain the regiochemical outcome of the reaction In other words, why are 1-bromo-2-methylbenzene and 1-bromo-4-methylbenzene formed from the toluene? Electrophilic nitration of benzoic acid gives almost exclusively 1,3-nitrobenzoic acid. By drawing the appropriate resonance forms of the intermediate cations resulting from attack of [NO2]+, explain this result.What is the molecular orbital diagram of 2,4,6,8-decatetraenes for photochemical reactions. Indicate HOMO and LUMO.why do (R)-3-chloro-1-methylcycloprop-1-ene and 5-Bromo-1,3-Cyclohexadiene react differently with cyanide (why doesn't cyanide pass through its usual mechanism for these two products and what did you obtain these specific products)