Stanley Miller and Harold Urey added which source of nitrogen to their first prebiotic experiment (performed at the University of Chicago in 1953)? diatomic hydrogen ammonia carbon dioxide water methane

Q: 6. Consider the titration of a weak acid HA with a strong base that gives the titration curve below.…

A: Titration curve of weak acid and strong base is given.Identify the given conditions on titration…

Q: b. A chemist wants to use a Grignard reaction to make 1-phenylethanol. Which of the following…

A: The Grignard reagent reacts with the carbonyl compound (aldehyde) to give alcohol. If the Grignard…

Q: 1. Predict the product and provide the mechanism for each of the following reactions: NaOCHy CH,OH

A: Here NaOCH3 acts as a base and helps in the condensation of two esters popularly known as Claisen…

Q: Draw the organic product in each of the reactions. Include formal charges, if applicable. Omit any…

A: Given reaction sequence is: Draw the major products of the reaction = ?

Q: What is the final organic product formed in the reaction below? III он CH₁ H H Н но II IV H, Hg" H…

A: Alkynes when treated with water (H2O) in the presence of HgSO4 and H2SO4 undergo an electrophilic…

Q: The rate of decomposition of PH3 was studied at 961.00 °C. The rate constant was found to be 0.0835…

A: The value of the rate constant for the decomposition of PH3 is 0.0835  s–1. The unit of the rate…

Q: ОН 1) NaH 2) Br

A: -> NaH is base which can abstract most acidic proton from given alcohol and generate…

Q: When 47.04 mL of H2SO4 is titrated with 0.9416 M NaOH, 34.42 mL of NaOH is required to neutralize…

A: The question is based on the titrations.  we are titrating a strong acid with a strong base. we need…

Q: What is the product of the following reaction? a. C. HO. HO OH 1. OSO4 2. NaHSO3, H₂O b. d.

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Q: In a sample of a radioactive isotope, 20.0 % has decayed after 16.0 days. Calculate the half-life of…

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Q: Which of the following intermolecular forces would not be present in a pure sample of hydrogen…

A: London dispersion forces is present in all molecules.Dipole-dipole forces are present in molecules…

Q: 58 AM Wed Jul 5 < Question 14 of 15 96% 1 The pH of a solution of HBr is 2.88 at 25 °C. What is the…

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Q: 8 Which one of the statements about the following electrophilic aromatic substitution reactions will…

A: Electrophilic aromatic substitution reactions are organic reactions wherein an electrophile replaces…

Q: b) c) d) е) Complete the reactions below. H3C H3CO Н3С но Но CH3 CH3 CH3 СН3 OCH3 H он NaOH / heat…

A: Questions is from basic Name Reactions in Organic.

Q: A solution contains 69.8 g of sodium chloride dissolved in sufficient water to give a total mass of…

A: Weight of NaCl = 69.8 gm Total mass = 126.1 gm -&gt; molality is number of moles of solute in 1 kg…

Q: A solution is prepared by diluting 105.0 mL of a physiological saline solution (0.920% NaCl by…

A: We are given that 105.0 mL of 0.920% NaCl (by weight) solution is added to 275.0 mL of water.…

Q: Consider the reversible dissolution of lead(II) chloride. PbCl₂ (s) Pb²+ (aq) + 2Cl- (aq) Suppose…

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Q: Calculate the density in grams per liter of the following gases at 25.0°C and 691 torr. (a) NO

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Q: Hi, I just need number 6 done please in the same type of table. Thank you so much.

A: As we know, No. of Moles = &amp; No. Of moles =

Q: epwise synthesis for the following conversion. Begin with starting material provided. Provide…

A: (i)

Q: 1. For the reactions below, Draw the major product with proper stereochemistry, where necessary Do…

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Q: Based on the VSEPR theory, which one of the following molecules is linear? BF3 HCN PCI5 NO₂ SO₂

A: According to the VSEPR theory, the geometry of the molecule depends on the number of bond pairs and…

Q: Complete the balanced chemical equation for the following reaction between a weak acid and a strong…

A: Balanced chemical equation is the equation in which number of atoms on both sides of equation are…

Q: Given the energy levels of electrons in a hydrogen atom, shown Electron Energy Levels in Hydrogen in…

A: The energy (E) of a photon is expressed as shown below:Where h, c and  represent the Plank's…

Q: The geometry of the BrF3 molecule is best described as: bent tetrahedral t-shaped trigonal pyramidal…

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Q: In the resonating structure of NO₂ the two N - O bonds have no bond dipoles are made up of one short…

A: The resonance structures are those in which the connectivity of atoms with each other remains the…

Q: ELO Ch 7 What is the product of the following reaction? a. C. C. ELOR Ch 7 What is the product of…

A: In the first reaction, the terminal alkyne is reduced into an alkene by sodium metal in liquid…

Q: Complete the following reaction with all possible products, and determine which one is the major…

A: This is a type of intramolecular SNAr reaction

Q: The correct formula for ammonium sulfate is _____ .

A: The correct formula for ammonium sulfate is  ?

Q: Which set of reagents are needed to carry out this transformation: OH OH Ph O 1) PCC 2) PrMgBr 3)…

A: The question is based on the concept of organic synthesis.  we need to synthesize the product using…

Q: 0.52 mol of argon gas is admitted to an evacuated 3.00 liter (3.00 × 10-3 m3) container at 20.0°C.…

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Q: Beaker directions: • Measure the liquid in the beaker. Look at what the lines stand for (these are…

A: The given beaker is marked 20, 40, 60, 80, and 100 units of the volume. The small line is also…

Q: B) Consider the following reaction with a AH° = +190 kJ CH4(g) + 2H₂O(g) CO2(g) + 4H2(g) What will…

A: Le Chaterlier's principle: It states that, if an equilibrium system is subjected to stress then…

Q: The names and chemical formulae of some chemical compounds are written in the first two columns of…

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Q: Balance the following redox reaction equation, which takes place in an acidic solution, using the…

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Q: 0. Which solution would you choose to suppress the dissolution of CaCO3? a. 0.200 M MaCl₂ b. 0.200…

A: Which solution would you choose to suppress the dissolution of CaCO3?option :a. 0.200 M MaCl2 b.…

Q: A relativistic electron has a de Broglie wavelength of 1.25 pm1.25 pm (1 pm=10−12 m).(1 pm=10−12 m).…

A: To determine the velocity of a relativistic electron, we can use the de Broglie wavelength and the…

Q: Predict reagents needed to complete this E2 elimination reaction. + Br 22°C Heavy rain a Problem 18…

A: The presence of Base and heating condition basically favours elimination reaction .

Q: 3. Predict the major organic product(s) of the following reactions. Indicate stereochemistry with…

A: Endo product is the kinetic and major product

Q: 1. For the reactions below, Draw the major product with proper stereochemistry, where necessary. Do…

A: At first in this reaction, presence of excess NaNH2 there occurs formation of alkyne . Then there…

Q: can treat ammonia NH3 is an ideal gas at temperatures above its boiling point of −33.°C. Suppose…

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Q: a. Propose a product and draw a full arrow-pushing mechanism for the following Williamson ether…

A: This reaction is the wiliiamson ether synthesis.At first in this reaction presence of strong base it…

Q: 15) Provide chemical structures for A-D shown below CH₂CH₂CHOH CH₂ PBrg Mg ether H₂C CH B HO D

A: Alkyl magnesium halide is known as a Grignard reagent. The general formula of the Grignard reagent…

Q: What is the predominant IMF in H2NCH2CH2CH3

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Q: A sample of PC15(g) is placed in a 0.500 L container and heated to 160° C. The PCL, is decomposed…

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Q: What if it's in period 3?

A: A lewis diagram of an element X

Q: Predict the expected product for each reaction and name the correct starting material to yield the…

A: A question based on reactions of alkenes. An epoxide is given whose alkene reactant and the ring…

Q: . A chemist ran an ozonolysis below are the only products of this reaction. ? on an unknown compound…

A: One of the important reactions of alkene is ozonolysis. In the ozonolysis reaction, the…

Q: Name of this chemical please.

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Q: Give answer all sub parts in detailed..I will give you upvote

A: In the first question it is said to find the structure of alcohols. Now, alcohols have function…