What is the molecular formula of this psychoactive compound? (CH3 CH₂)2NC H ******* ****** HN A. C20H24N30 OB. C19H24N30 OC. C19H25N30 OD.C20H25N30 NCH3

Q: Absorbs sodium chloride in recrystallization a. hot h20 b. congo red c. animal charcoal

A: Recrystallization is used to purify solid compounds from a mixture of two or more solids.

Q: Calculate the Carnot efficiency of a heat engine that has fluid temperature of 2,100 K down to 600…

A: The Carnot engine efficiency is calculated by the two temperatures. It will have a higher…

Q: In a reducing condition, the redox potential (pe) is negative. True False

A: Concept:- Any system or environment that accepts electrons (reducing condition) from a normal…

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Q: Determine the vapor  pressure ratio of the glucose solution and sucrose solution. For both solution,…

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Q: what is the pOH of 5.6 x 10^-4M HCI

A: Given that:  [HCl] = 5.6×10-4M HCl is strong acid.

Q: Which of the following statements is false? (No need for explanation) The osmotic pressure of a…

A: All the relative discussion has been done in the following step.

Q: True or False. Support your answers. a. For every cyclic process, the final state of the system is…

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Q: 1. The work done by an expanding gas is negative. 2. Under a constant volume process, no work is…

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Q: Que find out the product 2. 11 -Q the pt

A: Here we are required to find the product of the reaction

Q: What ratio of sodium oxalate (Na2C2O4) and sodium hydrogen oxalate (NaHC2O4) is required for a…

A: pH of an oxalate buffer is 4.5 . The Ka,2 of oxalic acid is 6.4 × 10-5 .We have to calculate the…

Q: 19. How would you make the following molecule? Retrosynthetically show the reaction.

A: Both the reactions are multistep processes with Fridlecraft acylation as a key step.

Q: Reduction of ethyl nitrile using H2/Ni produces a.1-propanamine b.propanamine c.ethanamine…

A: Q.1 reduction of ethylnitrile (CH3CN) using H2/Ni gives  Q.2 Reduction of nitrobenzene and it's…

Q: hich molecule has an IUPAC name that possibly ends in -dienol OH OH HO. OH A E Molecule A O Molecule…

A: Cyclic ether can be named as epoxy.

Q: N 4 5

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Q: At what position, and on what ring, would you expect the following substance to undergo…

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Q: H₂C CH3 Show how the compound can be synthesized from benzene and alkyl chlorides.

A: In this question, we will synthesized the given carbonyl compound from the starting materials…

Q: QUESTION 14 Consider the reaction scheme below. Compound E PBr3 KMnO4/ H* + HCN Compound A Compound…

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Q: NiS + HNO3 → Molecular weights: Ni(NO3)2 + NO + S + H₂O NIS 91 g/mol 63 g/mol HNO₂

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Q: Does adding sweetener and stabilizers to strawberry juice result to the decrease in temperature for…

A: When the sugar is added to the  strawberry juice it lowers the freezing point because when sugar…

Q: DO in mg/L at Different Saturation Level 100%sat 80% sat 60% sat 40%sat 20%sat Temperature (a) (d)…

A: The amount of dissolved oxygen (DO) depends upon various factors like temperature, salinity and…

Q: How many millimoles of O₂ (g) is produced in the anode if water is electrolyzed for 125 seconds…

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Q: What is the correct order of reactivity of CH3CHO, C2H5COCH3 and CH3COCH3?

A: ✓Aldehydes are more reactive than ketones due to the following two reasons:  ✓(i) Due to smaller…

Q: Choose the best answer.

A: Raw material are the basic material which are used to produce the end material according to  its…

Q: The voltaic cell (represented by notation A) will produce a greater magnitude of negative Gibbs free…

A: Here we have to predict which Galvanic cell have greater magnitude of Gibbs free energy . The…

Q: a. Based on the E°values, which metal is the most easily oxidized? b. Which metal on the list is…

A: Given - E0(Cu2+/Cu) = +0.34V              E0(Fe2+/Fe) = -0.44V              E0(Al3+/Al) = -1.66V…

Q: SUBMIT SOLUTION IN GOOGLE DROP BOX IF YOU CANNOT ATTACH IT HERE At what position, and on what ring,…

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Q: 1. Bromothymol blue indicator is color yellow in an acid solution and ______ in a basic solution. A.…

A: ✓As we know bromthymol blue is a weak acid. It can be in acid or base form, depending on the pH of…

Q: -Which substance has the highest solubility to hexadecane? a. Substance A b. Substance B c.…

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Q: Edna ate one cup of corn chips, one cup of chicken a la king, and a nectarine for a total of 688…

A: Given, Total energy = 688 kcal mass of protein = 30 g mass of carbohydrate = 43 g mass of fat = 44 g…

Q: Which reactant is the reducing agent? * This item is only equivalent to one point. KI О HCI O…

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Q: A solution of 0.25 M potassium hydroxide, KOH is added from a burette to a flask containing 25.0 mL…

A: For given pH curve , incorrect statement is to be determined,

Q: In a converter, 9.33 kg of SO3 is fed and allowed to come into contact with a certain amount of…

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Q: Match the pair of amino acids in first column with the type of side- chain interaction the pair is…

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Q: Which way would the equilibrium shift if the pressure was decreased for this reaction? C₂Hs (g) +50₂…

A: In this reaction,total moles in the left side = 6 ,total moles in the right side = 7  We know , when…

Q: how many more grams of KNO3 will still dissolve in a solution of 20 grams of KNO3 at 20°C?

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Q: 4000 100 IR Spectrum (quid film) 88888 80 Få 60 40% 8 3000 CO 80 40 13C NMR Spectrum (50.0 MHz.…

A: 1H-NMR spectrum gives complete information about structure of the molecule. Form the position of the…

Q: What is the hydroxide ion concentration of the human blood with pH 7.30 O 5.01x10-³M O 2.0x10-²M O…

A: pH  = - log [H3O+] [H3O+]  = 10-pH   pH  +  pOH  = 14 [OH-] = 10-pOH

Q: Which one of the compounds shown is the strongest acid? F ОН F F III ОН V F. F F F = ОН F IV ОН ОН

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Q: The following are intermediate products in the stepwise synthesis of compound 1 from benzene. Give…

A: The answer is as follows:

Q: CH₂ CH₂ H KMnO4 H₂C 61. What type of reaction is catalyzed based on the chemical equation? A.…

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Q: Which of the ff is not true about recrystallization?   a. acetanalide recrystallized only at cold…

A: Recrystallization is done to purify the compounds so as to get the purest form.

Q: Select among the following series of univalent cations an ion with the highest coagulative power…

A: The coagulation power of cation increase with increasing valency of cation this is called Hardy…

Q: How much moles of precipitate was formed? * Probable atomic weights: Ca = 40; C = 12; 0 = 16 Your…

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Q: 4. For a constant head laboratory permeability test on sand, the following data were given: Length…

A: Hi thanks for the question

Q: Sample A: Sample B: Sample C: Sample D: Sample E: Sample F: 22mm 18mm 35mm 30mm 28mm 28mm 21mm 17mm…

A: Since the units are in mm, this means we are taking about some distance, length or height.

Q: What is the solubility of BaSO4 in.0.01 M Na2SO4? Saturated solution of

A: Given,  Solubility (s) = 3.5×10-5 M BaSO4(s) <-----> Ba2+(aq.) + SO42-(aq.)…

Q: Use the following chemical equation to answer the questions below. Fe (s) + 2H¹ (aq) = H₂(g) + Fe²+…

A: This problem can be explained by Le Chatelir's principle . Le Chatelier's principle can be stated as…

Q: How many grams of potassium binoxalate, KHC₂O₄·H₂O (146.14 g/mol), constitute its gram equivalent…

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Q: Calculate the number of moles of products of the combustion of C3H8 abundance equal to 1.8

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Environmental Pollution

Environmental pollution occurs due to some unwanted alteration in the surroundings which results in unfavorable effects on all organisms of that surrounding.