Explain why the chemical displacement value in 1H-NMR of 1. alkyn protons comes out between 2.5-3.1 ppm while in alkenes they come out between 4.6-5.0.

Q: Which of the following compounds is most acidic? OH II || II IV

A: Acid is the species which gives H+ ion in any solvent.

Q: Formulate the acid-base reactions with ions, mark conjugate acid-base pairs of the reaction of…

A: Note- The product formed is ethyne and not ethene. Chemical formula of calcium carbide- CaC2…

Q: QUESTIONS 1. Show how you can make the following compounds. Several Steps might be required in each…

A: Pyridine undergo electrophilic substitution reaction at C3 and C5 but nucleophilic substitution…

Q: 2Hed if 3.6 moled ०१ चmc र ग्वरक, रous mang ४षवत क ०े हुब० chloric mamy gramg वर्तव वढर mheedcd o

A: Given reaction is :  Zn + 2HCl ------------> ZnCl2 + H2  Moles of Zn = 3.6 mole  Mass of HCl…

Q: Derivation f schrodlinger Equation with fuep aingram Deriv ation wave Expainatiom and dan And its…

A: You have multiple questions so I will solved first question for you please post separately rest of…

Q: Calculate the percent yield for the given reaction: OH acid CH3 HO-CH3 + H20 12 mL used 3.0 g used…

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Q: How many gallons of octane, CaH18, having a density of 0.703 g/cm, would have to be burned to…

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Q: 20. Provide the product resulting from the following Williamson Ether synthesis reaction. Br Br- Na…

A: Organic compound can be defined as the compound containing carbon and hydrogen atoms in a compound.

Q: This is an example of a [1,3] sigmatropic rearrangement. Can someone explain how this is 1,3 (number…

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Q: Up late, a (tired) engineer calculated the molar mass of nitroglycerin (C3H5N3O9) to be 196.2 g/mol,…

A: Nitroglycerin = C3H5N3O9  Molar mass of nitrohlycerin = 196.2 g/mol  Percent error = ?

Q: What is the product? excess EtOH H. cat. H,SO,

A: In this question we have to tell the product of the reaction.

Q: The vaporisation of a certain element at 25.0 oC has the following enthalpy and entropy values:…

A: Given data- Hvap = 1.00 kJ mol-1  Svap = 156 J K-1 mol-1 Temperature: 250C

Q: How many grams of calcium hydroxide (Ca(OH) 2) are needed to prepare a solution of 0.0250 normal…

A: Given,  Normality of Ca(OH)2 = 0.0250 N  Volume of the solution in L = 1.5 L  Calculate the mass of…

Q: Ex: Consider the two half reachon E. 54V 12 Cuun + e → Cut cog) A) Write orerall (eachen + calulate…

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Q: Płots of AG" of vaporization vs the pressure(gas) for butane and benzene are shown below. At 1 atm,…

A: Energy required for vapourisation, increse the entropy of system.When ΔG=0, the reaction is in…

Q: A 1.80 m3 container holds a sample of O2 gas. At 299 K the pressure of the container is 1.06 x 105…

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Q: What is the maximum metallic concentration in 100.0 liters of water from a metallic hydroxide with a…

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Q: 6. Acetone (density = 0.792 ) rises to a height of 9.39 cm at 20 ° C in a capillary tube %3D ст-…

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Q: To prepare a solution with a total weight of 50 g that contains phenophthalene at a percentage of…

A: Here we are required  to find the weight of phenolphthalein

Q: The following fictitious unbalanced REDOX reaction is made of some teachers initials and some oxygen…

A: The given redox reaction is H3PjO3   + TsO4-  → H3PjO4  + Ts2+

Q: 2Hed znclzt H2 -우 3.6 molo 아 zimt Jicac+, tow many gramg of hydrochloric वतर्व वढर needcd o

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Q: 1. How many ATOMS of nitrogen are present in 8.94 grams of nitrogen monoxide ? atoms of nitrogen. 2.…

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Q: Chemistry Prepare the following compound using mechanism of Biginelli's reaction mechanism. Ar NH…

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Q: Br trace .CH.CH,CH; acid HCI, H2O Y ZI +

A: In this question we have to tell the product of the reaction and the reagent used.

Q: What is the percentage of ionization of 0.1 mo of formic acid (HCOOH)^5 . If you know that the value…

A: Given: Concentration of HCOOH = 0.10 M

Q: What thermodynamic quantity is used to determine whether a chemical reaction will proceed…

A: In the thermodynamic system we can determine which reaction is spontaneously or which reaction is…

Q: 3. Provide the product resulting from the following reaction. H3C- HO. EtgN CH3 CI

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Q: TC-98, पकवेठड्ुन्छ कीट हींव्ज्योक उबपजववा वेटवपू: वाहकेन वटल्वूप्र " यटलक एवामेपण, (०. ाकरषन…

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Q: How many 3d electrons does V4+ (Vanadium) cation have in the GROUND STATE? O 3 10

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Q: Absorbance Volume Concentration ug/mL (mL) of each standard 1 0.000 2 1 0.005 3 2.5 0.010 4 6.25…

A: The linear regression equation Y = 0.0036x + 0.0006

Q: A Lewis structure for the carbonate ion (CO-) is shown, but incomplete. Complete the structure by…

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Q: Three major contributing resonance structures are possible for the anion NO, . One resonance…

A: Given structure of NO3- ion is :  (a).  (b).  And  (c).

Q: 27) How many moles of ions are there in 20 g of magnesium phosphate, Mg3(PO4)2? a. 5.0 moles b.…

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Q: Draw a structure for 4-bromo-2-pentene where the double bond has a Z geometry and the chiral carbon…

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Q: (5) (1) Source (2) (4) 150 Wavelength selector Detector What type of spectroscopy is shown in the…

A: This question is based on spectroscopy .

Q: Highest S Lowest S° Answer Bank Ne(g) HF(g) F, (g) Question Source: McQuarrie, Rock, And Gallogly 4e…

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Q: Question 8: Identify all of the functional groups that are present in the final product shown methyl…

A: Given reaction is :  Identify all the functional groups that are present in the final product  a).…

Q: A balloon contains 2,758mL of helium gas at 75.2°C. What is the final volume, in liters(L), if the…

A: Since, you have multiple questions so I will solved first question for you please post separately…

Q: The change in Gibbs' free energy is also considered a measure of the additional work that a system…

A: Given statement is :  The change in Gibb's free energy is also considered a measure of the…

Q: 1. Lithium is bonded to a certain anion. If the bond is 89.5% ionic, what is the anion? 2. Determine…

A: 1. the anion is a Fluoride ion and the compound is LiF because the electronegativity of Fluorine is…

Q: For each resonance structure, use curved arrows to show the delocalization of electron pairs that…

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Q: Ho NO2 No2 intermilate NO2

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Q: Write the formula for diaquadibromoplatinum (II). C [Pt(H2O)2Br2]2 C [Pt(H2O)2]Br2*1 C [Pt(H2O)2]Br2…

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Q: Write the name for [MNCI(H2O)4(NH3)]NO3. C amminetetraaquachloronitratomanganese (II)…

A: Name of [MnCl(H2O)4NH3] NO3 = ?

Q: 2. The decomposition of N205 (2 N2O5 → 4 NO2 + O2) was carried out at several different…

A: Recall the given reaction,              2 N2O5  →  4 NO2  +  O2We have to calculate the activation…

Q: Match the correct statement to the half reaction that indicates whether it is oxidation or reduction…

A: Corrosion is a two step process involving 2 reactions i.e. oxidation reaction and reduction…

Q: Determine whether each of the carbohydrates is a monosaccharide, disaccharide, or polysaccharide.…

A: Carbohydrates are optically active polyhydroxy aldehydes or ketones or those Substances which gives…

Q: 7. Provide the product resulting from the following reaction. 1. II OCH2CH3 CH2CH3 pyridine 2.…

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Q: examples of gas law

A: Gas is one of the state of matter. The other three states of matter are liquid, solid and plasma.

Q: Draw the major product of this reaction. Ignore inorganic byproducts. CN + H. 1. NaOH, heat 2.…

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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.