Isomers with the same boiling point and molecular weight but have different boiling points how is this possible

Q: Which of the following are the two essential processes for the distillation to occur? I. Vaporizatio...

A: Distillation: 1) Distillation can be defined as the process of separating the mixture of liquids bas...

Q: Some measurements of the initial rate of a certain reaction are given in the table below. N2|| |H2| ...

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Q: 1. Find the vapor pressure of a solution containing 35.0g calcium chloride (CaCl2) in 750.0g water. ...

A: Vapour pressure of solutions is equal to pressure of pure components multiplied by mole fraction

Q: A spot of black ink was placed on a strip of fiter paper. The chromatogram was developed using an ap...

A: Chromatography is based on the principle that two substances are dissolved in the same solvent but t...

Q: Elemental phosphorus is produced from calcium phosphate in the following reaction. What is the coeff...

A: We have to predict the coefficient of carbon.  

Q: A biochemist prepares two stocks of sodium phosphate buffer by titrating phosphoric acid with sodium...

A: pH = -log(H+) For pH = 2.15 solution initial [H+] = 7.08 x 10^-3 M after diluted with 30 ml of pH 7....

Q: Which is NOT an appropriate detector for a spectrophotometer? photodiode array photomultiplier tube ...

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Q: Some measurements of the initial rate of a certain reaction are given in the table below. N2||H2|ini...

A:  We have to predict the rate law and rate constant.  

Q: Name the given compounds. For uniformity's sake, name all the branched substituent as if naming an a...

A: The Numbering is done according  to the Rules Of IUPAC.

Q: Which of the following will cause an instrumental deviation in Beers Law? I. stray light II. uncle...

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Q: CI Br

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Q: 4. Percent by Mass/Volume Concentration A 50 ml of 12% by mass per volume solution was used in an ex...

A: Given, Volume of solution = 50 ml Mass per volume percentage = 12%

Q: Question 3 Which of the following statements are true of atomic emission spectroscopy (AES)? I. Atom...

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Q: Calculate the activity of La3+ in a saturated solution of La(IO3)3. Ksp =  1.0 x 10-11 1.7 x 10-4 ...

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Q: Calculate the pH of a 3.6 x 10 M HCI solution. Report your answer to the hundredths place. pH = What...

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Q: How many grams of oxygen are required to burn 0.10 mole of C 3H g? C 3H 8+50 2 –→ 3CO 2+ 4H 20 О а. ...

A: We have to predict the mass of oxygen required.

Q: The correct arrangement of figure I is: light source → photomultiplier tube → sample → monoc...

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Q: calculate M.V. (1atm, 30 degrees

A: Volume at one mole is called molar volume

Q: Which of the following is the most correct name for this compound? но a. 2-hydroxy-2-methylnonane di...

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Q: Which of the following is the missing reagent best used to carry out the following reaction? 1. ?, T...

A: This is nucleophilic addition reaction in which grignard reagent add to aldehyde to give alcohol. 

Q: Identify the compound PBR3 as a strong, weak, or nonelectrolyte upon diss in water. Strong electroly...

A: Nonelectrolyte is a substance that doesn't ionise on dissolving in water.

Q: Which property of laser light is NOT correctly defined/described? extremely bright: high power at on...

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Q: For the reaction A → products, concentration and time data were collected. t (s) [Α] (M) Enter these...

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Q: HONE FUR OReviews Additional Problems / 53 94. To measure the density of a small statue, you determi...

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Q: What would be the best reagents to carry out the following Fischer esterification? OCH, methanamid (...

A: The correct answer is given below

Q: Three resonance structures of the given anion are possible. One is given, but it is incomplete. Comp...

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Q: 375 370 365 360 355 350 345 340 0.1 02 03 04 05 0.6 0.7 0.8 09 A A. Mole fraction B What is the esti...

A: Note: Please plot this figure on a graph paper, you will get accurate value  of boiling point 351K.

Q: Deduce the structure given the 1H-NMR and IR spectrum. Formula is C5H1002. Name structure if possibl...

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Q: KMNO4, hot -CH2-CH2-C -H H+ 1. LIAIH4 2. H30+

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Q: Question 30 The standard addition method is used to analyze a sample of a river water for mercury. S...

A: Cold Vapor Atomic Absorption Spectroscopy or CVAAS is one of the primary techniques for mercury anal...

Q: A reactant decomposes with a half-life of 155 s when its initial concentration is 0.271 M. When the ...

A: We have to predict the order , rate constant and unit .

Q: 4. The boiling point of chloroform increased by 3.68°C when o.167 g of an unknown sample was dissolv...

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Q: What is the most proper major product for this reaction scheme? 2. 2. 1. 2CH,MgBr, THF 2. H D O A

A: Acid chlorides react with two equivalent of Grignard reagents to produce tertiary alcohols. Because ...

Q: The reaction CH31 + HI CH4 + 12 was observed to have rate constants k = 3.2 L mol 1 sa What is the v...

A: Given data : k1= 3.2Lmol-1s-1  K2= 23Lmol-1s-1 T1= 355°C T2 = 405°C     

Q: Some measurements of the initial rate of a certain reaction are given in the table below. N2| |H2 in...

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Q: How much free lead (II) ion is present in a 95.4 mL of a solution that contains 136.8 microgram of P...

A: Answer: Higher the formation constant, more stable will be the compound. The value of high stability...

Q: For the following reaction, 0.288 moles of hydrochloric acid are mixed with 0.335 moles of barium hy...

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Q: Calculate the pH of a solution consisting of 1.35M acetic acid (CH3COOH) (pKa= 1.8 x 10-5) and 2.83 ...

A: A question based on equilibrium concept that is to be accomplished.

Q: 14.71 A A reaction has a rate constant of 1.26×10−4 s−1s−1 at 27  ∘C ∘C and 0.226 s−1s−1 at 77  ∘C ∘...

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Q: rst statement is true. Second statement is false. rst statement is true. Second statement is false.

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Q: Which part in the figure can be a photovoltaic cell, phototube or photomultiplier tube? A O O O

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Q: Direct oxidation TS zeolite catalyst H202 H20

A: Atom economy means maximizing the incorporation of material from the starting materials or reagents ...

Q: A) 60°c Bi 80'C C) 100C DI 120°C Heal Aoded

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Q: 1. Consider the reaction at 25 degrees Celsius 2NO3 iaa) + 8H ian) + 3Cu(s) → 3CU2"(aa) + 2NO(g) + 4...

A: Here we have to determine whether the above redox is spontaneous or not in the given condition of re...

Q: Monomer-dimer formation can affect the absorbance measurements using Beer's law, it is an example of...

A: Real deviation from Beer's law occur if the concentration of solution is higher than 0.01 M. Chemica...

Q: A piece of dry ice (solid CO2) weighing 11.5 g is placed in a 0.500-L bottle filled with air at 0.96...

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Q: A chemical reaction is characterized by the following experimental data: Rate Constant (L mol-'s-l) ...

A: The rate constant v/s temperature data given is,  

Q: 7.

A: Cabonyl carbon is more electrophilic centre than alkene . For addition of nucleophile to alkene , we...

Q: For the given compound ... a) Identify the 2 structures given as Blank 1 from the given 2 options (s...

A: Answer: Structural isomers are the compounds, those have same molecular formula but different struct...

Q: Which part in the figure can be a grating or prism? O A O B OD

A: Instruments for analyzing light and for determining the identity and structure of materials that emi...