Recent use and development of perfumery

Q: Assign the correct stereochemical description to this molecule as depicted: ОН H, O S

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Q: If nerves respond to electrical currents, why do you think putting aluminum foil on an amalgam (gray...

A: As we know nerves cell work using complicated electrochemical pulses. In a tooth cavity those nerves...

Q: Convert the following values of transmittance to absorbance: (a) 98, (b) 80, (c ) 50, (d) 10, (e) 1....

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Q: Calculate the pH at the equivalence point when 15.0 mL of a 0.30M hydrochloric acid solution is titr...

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Q: A student prepares a stock solution of BaF2 by dissolving 50.00 g of a BaF2 in 1.00 L of water. An a...

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Q: 5. If pipes feeding a water fountain were made of copper with lead solder at the junctions, which me...

A: Different metals have different solubility in water.

Q: Write the chemical reactions whose equilibrium constants are Kp and K, for imidazole (C,H,N,) and im...

A: Imidazole (C3H4N2) is a weak base whose conjugate acid is imidazole hydrochloride (C3H4N2H+Cl-). 

Q: Are any of the following carbohydrates L-sugars? What makes something an L-sugar as opposed to a D-s...

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Q: Answer a, b, c,

A: Alkyl halides react with sodium alkoxide to form an ether by the Williamson ether synthesis. The rea...

Q: Ammonia, an important source of fixed nitrogen that can be metabolized by plants, is produced using ...

A:     Recall the Haber's process in which nitrogen and hydrogen are combined -                        ...

Q: If nerves respond to electrical currents, why do you think putting aluminum foi on an amalgam (gray)...

A: 3. Answer - According to the question - Given - If nerve respond to electric current - If we have me...

Q: How many H20 molecules are there in 3 moles of H20 sample? O 6.02 x 1023 molecules O 2x 6.02 x 1023 ...

A: Given: Moles of water, H2O = 3 mol.  

Q: 1. Write a balanced chemical equation, including physical state symbols, for the ロ→ロ decomposition o...

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Q: y the base ? Conjuyake " baye which yalleaing aids lill have shanget Acid A pka = 1 Acid B Pkq=5 Aci...

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Q: Carbonyl bromide, COBR2 can be produced as shown below. The thermodynamic equilibrium constant, K = ...

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Q: Compare and contrast organic chemistry with inorganic chemistry. Give a definition of the two types ...

A: Inorganic chemistry - - > Inorganic chemistry deals with the compounds which are inorganic compou...

Q: B: Which of the following statements regarding the overall reaction R → P is/are incorrect? Select a...

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Q: An aqueous solution of hydrochloric acid contains 24% HCl by mass. Compute for the number of moles o...

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Q: Part A A compound of X and Y isX by mass. The atomic mass of element X is the atomic mass of element...

A: Let us assume the empirical formula of the compound will be XaYb  X = 3/4 Y The compound is 2/3 X by...

Q: ider the following reaction: 3Si + 2N2→ Si3N4 When 21.44 moles of Si react with 17.62 moles of N2, h...

A: Balanced chemical reaction,  3Si + 2 N2 ---> Si3N4 From Si 3 mol of Si = 1 mol Si3N4 21.44 mol of...

Q: Why should you know the composition of the weighing form?   So that it can be filtered properly   ...

A: Please find your solution below : Gravimetry is a method used for the quantitative determination of ...

Q: hich of these dienes can undergo a Diels-Alder reaction? II III IV V

A: Given that

Q: Titanium and chlorine react to form titanium(IV) chloride, like this: Ti(s)+2 Cl,(g)→TİCL,(1) At a c...

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Q: 0.5 Y 0.67

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Q: What is the relative supersaturation of Ag2SO4 if its concentration at a given instant is 0.0750 M a...

A: Given-  concentration at a given instant (C) =  0.0750 M  equilibrium solubility (Ceq) = 4.43x10-5 M

Q: A 12.3 g sample of an alloy of Mg (35%) and Al (65%) produces H2 when added 25 ml of 1.21 M HCI. Cal...

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Q: Part A A downward electric force of 5.2 N is exerted on a -6.7 µC charge. Find the magnitude of the ...

A: Given : Electric force,F = 5.2 N Charge ,q = -6.7µC = -6.7*10-6 C Calculate : magnitude of electric ...

Q: I1.b. A lo0mL sohntiou g 0-050MM tuffered to pH 4.00 was tifrated rith 0. OSD OMEDTA. ca) what is th...

A: Equivalent no. of moles of metal ions can be titrated with equivalent no. of moles od EDTA. The expr...

Q: good solvent f

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Q: If the rate law for a reaction is Rate = k[A][B]1/2 , the rate constant k has units of mol-1/2 L1/2s...

A: Given, a) if the rate law for the reaction is Rate = k[A][B]1/2 the rate constant k has unit of mol-...

Q: 2. Fill in the missing reagents or products for the incomplete reaction schemes shown below (only Re...

A: The solution of the question is given below: 

Q: 2. Why does grapefruit juice left in an open can taste metallic?

A: According to Q&A guidelines of Bartleby, we are supposed to answer only the first question out o...

Q: 8. What mass of AgNO3 is required to react with 10.0 g of CaCl2? AgNO3 + CaCl2 - AgCl + Ca(NO3)2

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Q: Reacting a 9.0 g sample of carbon and sultur with oxygen forms 19.3g of CO, and SO, combined Part A ...

A: Given: Mass of sample = 9.0 g. And mass of CO2 and SO2 formed = 19.3 g.  

Q: Liquid octane (CH3(CH,) CH, reacts with gaseous oxygen gas (0,) to produce gaseous carbon dioxide (C...

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Q: why is it important to apply the percent volume and percent retrieval in separation of mixtures expe...

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Q: Free Energy (kcal/mol) 25 20 15 10 Reaction progress Use the reaction energy diagram above to answer...

A: The energy diagram given is,

Q: Chloroform (1)/methyl ethyl ketone (2) form a solution in vapor liquid equilibrium at 330 K 1) The ...

A: "Since you have asked multiple questions, we will solve the first question for you. If you want any ...

Q: Calculate (H,O*] for a 5.19 x 10-3 M HBr solution. [H,O*) = Calculate (H,O*] for a 1.60 x 10-2 M KOH...

A: Hydrogen bromide is a strong acid and the strong acid dissociates completely in an aqueous solution.

Q: kJ The enthalpy of vaporization of Substance X is 9.00 and its normal boiling point is 104. °C. Calc...

A: Given-> Enthalpy of vaporization = ∆H = 9.0 kj/mole                                              ...

Q: A 2.30 g sample of ethanol, CH3CH2OH, is combusted in a bomb calorimeter. The temperature of the cal...

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Q: What do you call the layer directly covering the core of a colloidal particle, and is made up of the...

A: To choose the correct option:

Q: A system is compressed from 250 L to 5.0 L at a constant pressure of 10.0 atm. What is the amount of...

A: Consider the given information is as follows; Initial volume V1 = 250 LFinal volume V2 = 5.0 LPressu...

Q: Calculate the pH of a solution prepared by mixing 0.0870 mol of chloroacetic acid plus 0.0250 mol of...

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Q: Br II Br Br II A) III < I < II B) I| <I< II C) III < || < I D) II < III < I E) I< III < ||

A: Given:-   We have to these halides in the increasing order of SN2 reaction.

Q: Identify which of following alkyl halides undergoes solvolysis most rapidly. Br II Br II Br

A: We are given three alkyl halides and asked which alkyl halide undergo solvolysis faster. 

Q: Calcium oxide (CaO) reacts with tetraphosphorus decoxide (P4O10)to form calcium phosphate (Ca3(P4O10...

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Q: Q7. What carbonyl compounds would you reduce to obtain the folowing alcohoa CHyOH

A: Please note- As per our company guidelines we are supposed to answer only one question. Kindly repos...

Q: 23. The integral heats of solution at 18°C for the various solid modifications of calcium chloride i...

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Q: An element X has atomic number 34. Which of the following statements about the electron configuratio...

A: Given, Atomic number of element X = 34 For neutral atom of any element, the number of electrons are ...