what is the purpose of adding NaOH in xanthoproteic test

Q: please calculate Pka value

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Q: What quantity of heat (in kJ) is absorbed in the process of making 0.957 mol of CF from the followin...

A: Given :- C(s) + 2F2(g)→ CF4(g)  ∆H° = 141.3 kJ/mol  To calculate :-  amount of heat absorbed for the...

Q: Classify the following substituents according to whether they are electron donors or electron accept...

A: Inductive effect: Attraction of bond pair of electrons towards itself through sigma bond is called ...

Q: Need help labeling this IR spectrum chart for  Methyl m-nitrobenzoate! Please identify of any possi...

A: The structure of the following is:  

Q: Draw the structure of a compound with the molecular formula CşH;0Oz that produces the following 'H N...

A: Number of signals in 1H NMR  ----> Number of sets of protons in different electronic environment ...

Q: Select the compound that shows an IR absorption near but just above 3000 cm".

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Q: Using Le Chatelier's Principle to predict the result of changing Nerbs V Ammonia and oxygen react to...

A: The problem can be solved considering Le'chatelier principal into account. It States that" if a reac...

Q: Using the curved arrow formalism, draw out the mechanism for each reaction shown below. Be sure to s...

A: In the given reactions the role of lone pair of electrons on the hetero atoms in the organic transfo...

Q: Problem 9. Provide a detailed, reasonable, arrow-pushing mechanism for the reaction below. H2SO4 018...

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Q: Calculate the molality of chloride ions in an aqueous solution of magnesium chloride in which the mo...

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Q: 1-Propose a reasonable biosynthesis of B-eudesmol from Farnesylpyrophosphate B-Eudesmol

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Q: Chemists graph kinetic data to determine rate constants and the order of reactions. Analyze this dat...

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Q: A helium-filled weather balloon has a volume of 858 L at 15.9°C and 754 mmHg. It is released and ris...

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Q: • Part A Given the following reaction at 298 K: 2 H2S(9) + SO2(g) → S8 (s) + 2 H2O(9) Calculate A,G ...

A: For the given reaction, the value of Gibbs free energy under standard condition, ∆rGo = - 102 kJ/mol...

Q: CHS H.

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Q: Q.4: Draw the amorphous and crystalline phase in one microstructure. What is the effect of crystalli...

A: The structure of amorphous and crystalline phase is given below,

Q: Describe the sample properties that would be suitable for; i) Gas chromatography (GC) analysis ii) H...

A: i) Gas chromatography (GC) analysis = The properties of the sample that would be suitable for the gi...

Q: 25. Why is NAD+ a good oxidizing agent? a. It fits into the enzyme active site for isocitrate oxidat...

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Q: The concentration and absorbance data below were collected for compound X. A sample of compound X of...

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Q: The two compounds below are both neutral molecules, and there are no formal charges on any atoms. Wh...

A: Hybridization of an atom is calculated with the help of steric number.Here we have to calculate the ...

Q: Methane and chlorine react to form chloroform and hydrogen chloride, like this: CH,(9)+3Cl,(9) -→ CH...

A: Le Chatelier's principle: This principle is used to predict the effect of a change in conditions on ...

Q: 2. Would you predict more Zn or Al to dissolve in Cu? Justify your answer. Atomic Crystal Structure ...

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Q: radiation having a wavelength of 0.0711 nm was used. A) Determine whether this metal's crystal struc...

A: all details are shown below.  

Q: If the pKa of water is 15.7 and the pKa of HF is 3.2, which is the stronger base, OH or –F? -F -OH

A: Dissociation of a weak acid is given by: HA  ⇌  H+  +  A- The acid dissociation constant of this aci...

Q: What is the splitting for Hc in the following molecule? HE Hc CI H. о- H- HB НА нн HG HH HF H H O Si...

A: Splitting of Hc in the given molecule = ? 

Q: Jamel is to receive Cleocin 275 mg IV for 6.00 hr. The concentration of the solution is 5.00 mg/mL. ...

A: Given :-  Amount/mass of drug = 275 mg  Concentration of solution = 5.00 mg/mL  To calculate :-  Vol...

Q: Carbon disulfide and oxygen react to form carbon dioxide and sulfur dioxide, like this: cs,(e)+30,(2...

A: The given reaction:  CS2(g) + 3O2(g) --------> CO2(g) + SO2(g)    K = (Pco2)*(Pso2)/(Pcs2)*(Po2)3...

Q: What are reasons for the low reactivity and high stability of sulfur hexafluoride? (-multiple answer...

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Q: Choose the most accurate descriptions about quantitative analysis using atomic absorption spectropho...

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Q: Select the compound that would show a larger than usual M + 2 peak. O A. CH3CH2F O B. CH3CH2CH21 OC....

A: Concept: In mass spectrometry the there as a peak corresponding to molecular mass of the given compo...

Q: Below is a picture of the chemical structure for ceramide, an important molecule for the function of...

A: Ceramides are sphingolipids containing a sphingosine or a related base.   In Ceramides, fatty acid i...

Q: Given the Newman Projection, convert it to the skeletal form and provide the IUPAC name: H CH, CH, H...

A: 1. There are two carbons place one behind the other. 2. The circle represents the later (back) carbo...

Q: H3C -CH Molecule #2 (B thujene ): Center a: S Center b: R

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Q: A closed vessel of volume 2.1 L contains a mixture of neon and fluorine gas. The total pressure of t...

A: Given,  Volume of the closed vessel = 2.1 L  Total pressure = 3.8 atm at 0°C  The mixture is heated ...

Q: Based on Valence Bond Theory, what happens when two atomic orbitals overlap? * O A single molecular ...

A: The 4th option is correct that is : The two atomic orbitals share a common region in space. Reason :...

Q: Retention time can be used to identify a compound in a mixture using gas chromatography. Choose a pa...

A: We have to tall which parameter will not affect the retention time of a compound in a gas chromatogr...

Q: Write the IUPAC names of the following organic compounds if given the structure. Draw the organic co...

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Q: c) The following organic solvents were used in reversed phase HPLC analysis. Propose the elution ord...

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Q: The rate of a certain reaction is given by the following rate law: rate =k[H,NH, Use this informatio...

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Q: Mineral Groups Silicates: contain silicon (Si) and oxygen (O) metals plus CO3 metals plus SO4 metals...

A: Below attached file showing the details answer.  All the best.

Q: When an alcohol is oxidised what is the functional group of the product?

A: Alcohol can be defined as the functional group in which hydroxyl (OH) group is attached to the carbo...

Q: Describe why parameters such as pH, conductivity, sodium, chlorides, fluorides, sulfates, hardness, ...

A: Low pH facilitates corrosion rate by providing H+ ions. This H+ increases corrosion rate drastically...

Q: Write the IUPAC names of the following organic compounds if given the structure. Draw the organic co...

A: We select longest carbon chain first and if functional groups are present we try to have all of them...

Q: Calculate the mole fraction of benzene in solution containing 30% by mass in carbon tetrachteride.

A: Given :-  percent by mass of benzene in solution = 30%  To calculate :-  mole fraction of benzene 

Q: Select all that apply. When is D2O used in Nmr experiments?  1. It can be used anytime  2. When c...

A: Various solvents like chloroform, Carbon tetrachloride can be used in the nmr spectrosopy.  Also D2O...

Q: How do I solve?

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Q: Solve for the value of the rate constant, k. 00.78M/s=K[0.12] to the second order.

A: Rate constant,k= 54.17 L mol-1 s-1

Q: Suppose the reaction between nitric oxide and oxygen proceeds by the following mechanism: step eleme...

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Q: Fill in the missing information: atom or ion? number of number of protons symbol check all that appl...

A: atomic number = number of protons  for a neutral atom :-  no. of protons = no. of electrons  a cat...

Q: Select the answer that properly names all of the functional groups in the molecules below: B C O A: ...

A: Functional groups are groups of atoms that determines the characteristic properties of the moleculer...

Applications of Molecular Spectroscopy

When light sources pass through the diffraction grating then light splits into different wavelengths. The light source produces two types of patterns that are shown as destructive and non-destructive. The light source is in the form of quanta that is quantitation.