Given the parent compound, draw the mass spectrum fragment that is observed at m/z 91. Include any hydrogen ator the charge. Select Draw Rings More |||||| с H H₂ HC || HC. HU ΙΟ CH H CH3 CH3

Q: For each chiral carbon labeled in the structures below (see the numbers), assign R or S absolute…

A: Given structures are :

Q: Find the nuclear binding energy of potassium-40 (atomic mass= 39.9632591 amu) in units of joules per…

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Q: A bomb calorimeter was constructed so that the contribution of the reaction products to the heat…

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Q: 4. Consider the following reaction. 2SO2(g) + O2(g) = 2SO3(g) a. At 298 K, does an equilibrium…

A: Le Chatelier's principle states that when stress is applied to reaction mixture at equilibrium, the…

Q: Description: What is the IUPAC name for the following compound?img.…... Part A What is the 11BAC…

A: While giving IUPAC name to an organic compound, we follow the below rules:

Q: The angle between L and S for term ³D, is: 3 1 cos ¹ (1/√2) O cos-¹ (√2) -1 COS cos ¹(√3) cos…

A: Since you have asked multiple question as per our company guidelines we are supposed to answer the…

Q: Phosphoric acid solution is used to acidify jams to provide a tangy or sour taste. Calculate the…

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Q: The reaction between H2(g) + Br2(g)⇌2HBr(g) Kc = 2.00 x 104 At equilibrium there are 0.130 moles of…

A: Given,           H2(g) + Br2(g)⇌2HBr(g)     Kc = 2.00 x 104 At equilibrium, moles of H2 = 0.130…

Q: Predict the spin-spin splitting that you would expect to observe in the ¹H NMR spectra of the…

A: NMR is branch  of chemistry which is used to study physical, chemical and biological properties of…

Q: 3 N= H= d speaker notes Cu= 0= C= N₂+ H₂ Cu₂0+ C → |N= H= Cu = 0= C= NH3 Cu + CO₂

A: Balanced equation means number of each atom in both side are present in equal number. Thus,

Q: Avogadro's constant was not actually covered by Avogadro. Who actually calculated ogadro's constant…

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Q: 200 kj/mol O Kj/mol AG⁰ -200 kj/mol Hg+ 02 ↑ HgO Temperature

A: (a) There is a sudden change in the slope at a particular temperature for  HgO. This is due to the…

Q: 2. Given the following experimental data, calculate the molarity of the acid analyte (HA) in the…

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Q: A tank contains 80 kg of salt and 1000 L of water. A solution of a concentration 0.04 kg of salt per…

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Q: your choice. CH₂ NH CH₂ H₂C-Ö H H₂C-N H₂C-6: + H₂C-N: CH₂ CH₂ The forward reaction is favored…

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Q: Draw the final organic product of the reaction. HC OH CHỊCHINH, heat HC CH What is wrong with this?…

A: Carboxylic acid (Ph-COOH) when heated in presence of primary amine (CH3CH2NH2), a secondary amide is…

Q: Give the structure that corresponds to the following molecular formula and ¹H NMR spectrum::…

A: Secondary hydrogens are represented by the chemical shift (1.93); tertiary hydrogen carbon connected…

Q: For the homotopic protons labeled H₂ in the structure, predict the characteristics of their signal…

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Q: A sample of neon gas at 7.0 °C and a volume of 10.0 L is heated to 147 °C. What is the volume of the…

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Q: What are the absolute configurations of the two central carbon atoms in this compound? C6H5 CH3 SCH3…

A: Note! We can answer only first question (as you have not specified any) as per bartleby guidelines.…

Q: Question 4: The salinity of sea water is 10,000 ppm TDS (total dissolved salts) is to be desalinated…

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Q: In the laboratory, a general chemistry student measured the pH of a 0.423 M aqueous solution of…

A: The value of Kb for the given weak base is = 7.3x10-6 The concentration of the base solution is =…

Q: Write the Lewis structures for the following molecules, including all resonance forms, and show…

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Q: Consider these reactions, where M represents a generic metal. 1. 2 M(s) + 6HCl(aq) • 2 MCl, (aq) + 3…

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Q: A simple (i.e. single equilibrium stage) batch still is being used to separate benzene from…

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Q: Complete the following diagram for the carbon molecule (C2): 2p 2s 1s 30 1g 30 1 200 20 100⁰ 10g 2p…

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Q: The galvanic cell described below has potential (E) of 0.23 V at 298 K. The rate constant for the…

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Q: For a particular redox reaction, NO₂ is oxidized to NO3 and Cu²+ is reduced to Cut. Complete and…

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Q: Zinc metal reacts with hydrochloric acid by the following reaction: Zn(s) + 2HCl(aq) → ZnCl₂(aq) +…

A: Given, Zn(s) + 2HCl(aq) ➝ ZnCl2(aq) + H2(g) moles of Zn react = 0.32 moles moles of HCl react = 0.47…

Q: At a certain temperature, 0.363 mol CH4 and 0.637 mol H₂S are placed in a 1.50 L container. CH₂(g) +…

A: The correct answer is given below

Q: Consider the following two reactions: A →→ 2Β ΔΗ° rxn = 456.7 kJ/mol A → C ΔΗ° rxn -22.1 kJ/mol…

A: The reactions given are, A→2B (∆Horxn=456.7kJ/mol)----i)A→C (∆Horxn=-22.1kJ/mol)----ii) As enthalpy…

Q: Here is hydrocortisone. I have identified a definite chiral carbon (see the *). If hydrocortisone…

A: Here we are required to find the absolute configuration of the chiral centre.

Q: 1- To purify the mobile phase gas in GC we commonly use: a) IEC b) adsorption c) partition d) traps…

A: Chromatography is a method of separation of a mixture into it's component. There are various types…

Q: draw all Resonance structures Bei CEN:

A: In this question, we will draw all the resonance structures for this given compound.  You can see…

Q: Question 4 For the molecules shown below, which ones represent constitutional isomers of each other?…

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Q: Consider the equilibrium 2A + B⇌C At equilibrium the following concerntrations are measured…

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Q: Use the References to access important values if needed for this question. Consider the reaction:…

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Q: ***1.21 The density of a certain liquid is given an equation of the following form: P = (A + Bt) eCP…

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Q: For the molecule shown below, provide the names for all of the indicated functional groups: 2 1.…

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Q: For the molecule shown below, provide the names for all of the indicated functional groups: ger NH₂,…

A: We have find out the names of indicated functional groups in the given molecule.

Q: Suppose a current of 0.590 A flows through a copper wire for 154. seconds. Calculate how many moles…

A: Given, Current (I) = 0.590 A Time (t) = 154. second Moles of electron transfer through the wire = ?

Q: Chemistry 2a. Give the division of the d-orbitals in an octahedron and name the orbitals. Give the…

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Q: Which species served as the oxidizing agent? The reducing agent?

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Q: what is the NMR spectrum of benzylcyclohexan-1-ol. explain in detail how to expect to see the nmr…

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Q: vo; 1.000 →VO²+ 0337 √³+ 5 ) 172+ -0.255 -1.13 V acid solution

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Q: How many grams of I2   crystals are needed to prepare 300.0 mL of a 0.050N iodine solution? Atomic…

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Q: I had  having trouble understanding the TLC labs.  Could someone help explain how to tell which…

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Q: Use the chemical equation to find the answers.  H2CO3 → H2O + CO2 Identify how many oxygen atoms…

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Q: Consider the reaction. PCI, (g) PC13(g) + Cl₂(g) Kc = 0.0420 The concentrations of the products at…

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Q: An ion-selective electrode for fluoride was investigated. The following results were obtained. Plot…

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Mass Spectrometry

This process is an instrumental method in which a sample is changed to fast moving positive ions by electron bombardment. The charged particles vary due to their different mass to charge ratio and are estimated with the help of this difference. It is also called mass spectroscopy.