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Q: possible co ne which E rom 170-19 sulfur or h ethyl Knou

A: This question is related to organic chemistry.

Q: Astudent got the following replicate measurements: 7.81, 7.61, 6.46, 7.84, 7.80. Apply Qtest (at 90%...

A: The experimental Q-value is calculated by the formula, Qexp=x2-x1xN-x1 This obtained value of Qexp i...

Q: Br Mg H2S04, heat он OH 1) NaH 2) Ph" "Br

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Q: (a) d-aldopentose (b) D-aldopentose (c) l-aldopentose (d) L-aldopentose (e) R or S-aldopentose

A: The given monosaccharide can be best represented as follows:  

Q: Q- Explain how could prepare these compounds 1- Propane starting from propene 2- T- Butene starting ...

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Q: I II (a) Both compounds have the same number of carbons and the same melting point. (b) Structure I ...

A: Comparison of melting point between saturated and unsaturated fat 

Q: Briefly describe what it consists of and what information can be obtained in the characterization of...

A: Given : a) Infrared spectroscopy (IR)b) Mass spectrometry (MS)c) Proton nuclear magnetic resonance (...

Q: **ーく CHCH,OH 。 ちと。みぶ

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Q: Complete the table below, which lists information about some diatomic molecules or molecular ions. I...

A: The ions given are H2-, B2- and He2.  

Q: If the equilibrium constant for 3A+3B= 3C is 0.169, then what is the equilibrium constant for 2C= 2A...

A: Consider the information is as follows; 3 A   +    3B     ⇌     3C                 Keq=0.169        ...

Q: 1. What is one chemical test that can distinguish between 1-pentanol and 2-pentanol? Indicate the co...

A: 1. Lucas Test 2.  Schiff's Test 3. 2,4 DNP Test

Q: The following molecule is susceptible to nucleophilic attack at the carbonyl carbon as well as the B...

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Q: Consider the equilibrium 4A, + 1Bg5 1Cj. Which of these is the correct expression for Q? Q = ([1]+) ...

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Q: A student got the following replicate measurements: 7.81. 8.61, 7.46. 7.84, 7.80. Apply Qtest (at 90...

A: First, we will arrange the data in ascending order.  The order is-  7.46, 7.80, 7.81, 7.84,  8.61  

Q: which organic compound dissolves in water? 1. 2-pentanol 2. 1-hexanol 3. diethylether 4. 3-methyl-3-...

A: Since, you have asked multiple questions, we will solve the first question for you.  Question-1 : In...

Q: A mass of 3.3214 g of sodium bicarbonate was dissolved and diluted to 250.00 ml of aqueous solution....

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Q: (d) (e)

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Q: Which species is being oxidized in the following reaction? 2 Au(NO3)3(aq) + 3 Ca(s)3 Ca(NO3) (aq) + ...

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Q: hat mass of O, is required to react with 2.588 g of Fe according to e following equation? 4 Fe(s) +3...

A: 4 Fe + 3 O2 ---> 2 Fe2O3  Mass of Fe = 2.588 g  Mass of O2 = ? 

Q: Which of the fatty acids shown below has the lowest boiling point? Why?

A: Boiling point depends on strength of  intermolecular forces of attraction between two Molecules.  Sa...

Q: Is the carbohydrate shown a furanose or a pyranose? CH2OH OH H. OH H. OH OH H H

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Q: Decide whether a chemical reaction happens in either of the following situations. If a reaction does...

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Q: mild 2 R-SH oxidation Thiol A) R-OO-R B) R-OH C) R-S-OH D) R-S-R E) R-S-S-R

A: The reaction in which oxygen is added of hydrogen is removed is known as an oxidation reaction. The ...

Q: or ELOH, 55°C Br A B

A: In this reaction, EtONa reacts as strong base and it abstracts proton from the alpha carbon from the...

Q: Calculate the amount of heat needed to melt 28.8 g of solid benzene (C,Hs) and bring it to a tempera...

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Q: (Compositions of substances and solutions) Explain in your own words what is meant by the mole conc...

A:  Mole concept is measurement of numbers of atoms , numbers of molecules, numbers of ions in bulk sam...

Q: Introduction about rice husk ash

A: Rice husks are the hard protective coverings of rice grains which are separated from the grains duri...

Q: The gravimetric determination of Ni-*: Ni (58.7 g/mol) was precipitated as Ni(DMG) 2 (288.7 g/mol). ...

A: The question is based on the concept of quantitative analysis. we have to to use gravimetric analysi...

Q: Q-4- Explain in detail Two of the following. 1- Calculate the pH of 0.1 M ammonium chloride. pkb NH,...

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Q: Draw the Lewis structure for iodine tribromide, IBR3. What is the molecular geometry of this molecul...

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Q: Use an asterisk to identify the stereogenic center in the segment of phosphatidylethanolamine shown...

A: Given,  Structure = Phosphatidylethanolamine  Identification the stereogenic center = ?  

Q: CN OMe 2) 3) Br

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Q: 1- Benzene + HNO, ----- H;SO - 2- Iso-butane + CL,-- 250 - 400C - and 3- Propyne + Brz- + Brz 4- 2,3...

A: Given

Q: CH2-0 H30* CH-O + H20 CH2-0

A: The reaction taking place is given as,  

Q: compound that will have a positive result to the test, if there is. 8. What is one chemical test tha...

A: I have given two test for distinguished between maltose and sucrose

Q: How many moles of Fe(OH)2 (Ksp = 1.82 x 10-15) will dissolve in 1.5 liter of water buffered at pH = ...

A: Given that : Ksp for Fe(OH)2 = 1.82×10-15 We have to determine how many moles of this Fe(OH)2 will d...

Q: The secondary layer of the solution of the precipitate of the reaction between AGNO, and NaCl will c...

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Q: 2+ For an inorganic mixture containing Fe" and Co* radicals, write the complete group separation tab...

A: Cobalt and Ferric both two ions are basic radicals. By using the concept of group separation one can...

Q: Spectrum B 1H 1H 1H 1H 1H 10 PPM co

A: Key protons: -CHO  .............. Comes 9-10 ppm -COCH3 .........Comes 2.5 ppm

Q: What is the frequency in Hertz of a photon emitted after an electron transitions from n=6 to n=2?

A: Calculation of frequency of photon: According to the Rydberg formula; 1λ=R1n12-1n22R=Rydberg constan...

Q: Consider the completed Lewis Structure for caffeine:

A:   Hybridisation = no.of sigma bonds + no.of lone pairs  ( to the central atom)   1. if carbon has 4 ...

Q: (a) Re-draw the following molecule with the CH2CH3 group on the ladder 1. H. H2 C*F H3C H2 CH2 H;C I...

A: If we rote the molecule by keeping one bond as stationary then configuration of molecule does not ch...

Q: O Seive the product and mecanism of the followrng reactione CHO 50% NaOH CHO 50% NaOH H30+ CHO H30t ...

A: Organic reactions: 

Q: CH2OH CH2OH CH2OH CH2OH он Он он OH OH Он OH OH ÓH Он Он ÓH I II III IV (a) IV is a-D-altrose but II...

A: Given structures and options are : Structures of α-D-altrose and β-D-altrose = ?   

Q: Which of the following statements is incorrect regarding atomic and ionic radius? O Cations are sign...

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Q: Select the orbital diagram most appropriate for elemental sulfur. [Ne] 1 1 | 11 35 3p [Ne] 11 1 1 | ...

A: Sulfur is the element with atomic number 16. It belongs to 16th group and 3rd period and is a p bloc...

Q: Circle the most acidic position in each molecule that could be deprotonated to give an enolate.

A: Enolate is an organic anion generated by the deprotonation of carbonyl compounds. Enols are a compou...

Q: Determine whether each of the following if optically active or not. 67. CН:СH(NHг)СООН 68. CH3CH2CHC...

A: The compounds given are, 67) CH3CH(NH2)COOH 68) CH3CH2CHClCH3   

Q: Calculate the volumes of air and hydrogen gas at 17 C and 100 atm pressure that are necessary to pro...

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Q: Which of the following compounds is predicted to have the smallest (least negative) lattice energy? ...

A: Lattice energy is defined as energy needed to dissociate ionic compounds into its constituent ions i...