Explain the reason behind why oils leave a translucent spot on paper even after drying, while ethanol and water do not.

Q: 1. Does the diagram best describe a crystalline solid, a liquid, or a gas? Explain.  2. In terms of...

A: Both a conventional fluid and a nematic fluid precious stone stage are liquids, however just in a ne...

Q: . Terminal alkynes react with Br2 and water to yield bromo ketones. For example: `CH;Br Propose a me...

A: Detail mechanism of the addition reaction is shown below

Q: Draw the Lewis structure for the polyatomic phosphite anion. Be sure to include all resonance struct...

A: Lewis structures are diagrams that show the bonding between atoms of a molecule as well as the lone ...

Q: Suppose a 500. mL flask is filled with 1.7 mol of Br,, 1.4 mol of OCl, and 1.6 mol of BrCl. The foll...

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Q: 18. Determine the pH of a 0.227 M C6H5NH2 solution. The Kb of C6H5NH2 is 4.0×10-10. CHEM 1036' а. 13...

A: pH is defined as negative logarithm of concentration of hydrogen ions.

Q: Calculate the pH that results when the following solutions are mixed: 35 mL of 0.20 formic acid, 55 ...

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Q: 32. Chloroform, CHC13, is used in a laboratory experiment to extract bromine. What is the percent of...

A: The atomic mass of H is 1 and Cl is 35.45 and C is 12

Q: Define each stereocenter as either (R) or (S). If the molecule does not have a stereocenter select "...

A: ->Each chiral center has specific configuration R or S.  

Q: Question 4 of 10 Please write the electron configuration of the following elements: Copper Sodium Ni...

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Q: Describe   a   procedure   to   synthesize   the   ester   ethyl ethanoate, starting   from   ethene...

A:   Ethene upon hydration in presence of acidic medium gives ethanol  Ethanol further oxidised into e...

Q: What reagents are required to convert tert-butylbenzene to p-tert- butylbromobenzene? A) HBr Br B) B...

A: THIS IS AN ELECTROPHILIC SUBSTITUTION RACTION OF THE BENZENE RING,WHERE Br2 IS THE ELECTROPHILE.

Q: For the reaction, 2s02(g) + O2(g) - 2S03(g) at 450.0 K the equilibrium constant, Ko, has a value of ...

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Q: A solution contains 1.47×10-2 M silver nitrate and 7.61×10-3 M nickel(II) acetate. Solid ammonium su...

A: Given: The concentration of silver nitrate in the solution = 1.47×10-2 M The concentration of nickel...

Q: sheet Part 2. Osmosis (Alternate Procedure) Mass (in grams) Initial mass of potato before placing it...

A: This is due to osmosis where water from potato moves to salt water and hence mass of potato is reduc...

Q: he molar concentration of N

A:

Q: Consider the chemical reaction aC,H6 + 6CO2 + CH2O → ¿C2H;OH, where a, b, c, and d are unknown posit...

A: To balance the Chemical Reaction.,  

Q: How many grams of K2CrOa are found in a sample containing 0.094 moles of this compound?

A: The no. of moles and weight of the compound are related as Moles = weight(in grams) / molecular weig...

Q: Suppose 18.7 g of zinc chloride is dissolved in 250. mL of a 0.60 M aqueous solution of potassium ca...

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Q: (C) Diels-Alder, [4+2] cycloadditions of diene and dienophile and [2+2] cycloaddition COME HO. heat ...

A: Cycloaddition reaction is a pericyclic reaction in which two pi bonds are broken while two sigma bon...

Q: A student titrated a 5.00-mL saturated borax sample at 15.7°C.  The titration reaction is as follows...

A: Given the titration reaction of borax: B4O5(OH)42–(aq) + 2 HCl(aq) + 3 H2O(l)  →  4 B(OH)3(aq) + 2 C...

Q: Select the product of the following reactions. 1. CN- 2. LİAIH4 3. Н.О NH2 СООН I II III `NH2 IV V I...

A:

Q: molar mass

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Q: What mass of NaCN must be added to create 250.0 mL of a buffer solution with a pH = 9.00 and an HCN ...

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Q: Which of the following is true?  a. Both alkane and alkenes can undergo radical mechanized reaction...

A: Alkane are saturated hydrocarbon whereas alkene and alkynes are unsaturated hydrocarbon.  

Q: Which of the following reaction(s) DO NOT take place (under the given conditions) or/and DO NOT give...

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Q: H2N- CH-C- NH- CH2-C-NH-CH2- NH-CH-C-NH-CH-C-OH CH2 CH2 CH2 CH Compound A (Leu-enkephalin) H3C CH3 O...

A: Since you have asked multiple questions we will answer the first one for you. To get the remaining q...

Q: Why does hydrogel needs to be stable in water?

A:

Q: When 1 mol of a nonvolatile nonelectrolyte is dissolved in 4 mol of a solvent, the vapor pressure of...

A:

Q: 0.25 M HF pH: [H30+]: [OH-]: pOH:

A: 0.25 M HF 

Q: Na, NH3 CH3CH3OH

A:

Q: For the experiment "limiting reactant" and after filtering the precipitate, you checked the filtrate...

A: The reagent which is completely consumed in a reaction is known as limiting reagent.  It also decide...

Q: ålöng än äiF onsidering a macroscopic object, a 0.40-kg cart is moving back an track between two bum...

A: Solution - According to the question - Given - Kinetic energy of cart = 1/2 mv2  = 1/2(0.4kg) (0.5m/...

Q: 2. Show that the atomic packing factor for BCC is 0.68.

A: Calculate packing factor for BCC ?

Q: Consider the imaginary element X. Which would you expect to have the largest radius and why? 1. X* 2...

A: ->when element loss electron then cation of element form.But protan are same.  

Q: Calculate the density of [110] of W

A: Given:- Calculate the density of [110] of W. W is tungsten which is arranged in BCC crystal lattice.

Q: Calculate the following answer and round to proper decimal places, Don't forget units. 9.30g - 4.30g...

A: Calculate the following answer and round to proper decimal places, Don't forget units. 9.30g - 4.30g...

Q: Carbon dioxide and water react to form methanol and oxygen, like this: 2 CO,(9)+4 H,0(9)→2CH,OH(1)+3...

A:

Q: If a cycloalkene has 12 hydrogen atoms with a single double bond, how many carbon are in the structu...

A: Given :- A cycloalkene has total 12 hydrogen atoms and contains a C=C (double bond)  To determine :-...

Q: Give the net ionic equation for the reaction (if any) that occurs when aqueous solutions of sodium s...

A: Given that : Sodium sulfide = Na2S Iron(II) Nitrate = Fe(NO3)2

Q: Why do we use a salt bridge during calomel measurement

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Q: Assume the observable Universe is charge neutral, and that it contains n nuclei (hydrogen plus heliu...

A:

Q: A student placed 0.264 mol of PCI3(g) and 0.180 mol of Cl2(g) into a 1.00 liter container at 250 °C....

A: Initial moles of gases has been asked. As per guidelines only 1st ques can be answered.

Q: Ionic compound A has both the cation and the anion in FCC. Ionic compound B has the cation in BCC an...

A: density of unit cells:

Q: Suppose 0.394 g of ammonium chloride is dissolved in 300. mL of a 19.0 m M aqueous solution of potas...

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Q: 3/4 1/2 +y +x

A:

Q: What is the pH of a buffer prepared by adding 0.607 molof the weak acid HA to 0.609 molmol of NaA in...

A:

Q: An buffer is prepared by combining 4 L of a 0.57 M X solution with 4 L of an 0.57 molar HXCI solutio...

A: Weak base are those base which does not dissociate completely in aqueous solution. Here X is weak ba...

Q: Ammonia has been studied as an alternative "clean" fuel for internal combustion engines, since its r...

A:

Q: A liquid has an enthalpy of vaporization of 44.2 kj/mol. At 474 K it has a vapor pressure of 103 mmH...

A: Given data,Enthalpy of vaporization=44.2kJ/molInitial pressure (P1)=103mmHgInitial temperature (T1)=...

Q: A solution is prepared by dissolving 5.00 g of NaPH in 750.0 mL of water.   Determine the molar ou...

A: Part a: Given that, 5.0 g of NaOH is added to 750.0 mL of water. The molar mass of NaOH is 40 g/mol....