how molecular spectroscopy works? what are its advantage and disadvantages

Q: One or more of the monomers below are needed to make the polymer to (CH) -(CH) Choose which one(s). ...

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Q: Retention time Substance(s) Peak area (%) (min) Crude product Pure product 8.725 1,2-cyclohexanediol...

A: In the analysis of gas chromatography, the evaluation of peak area is one of the most important aspe...

Q: vessel of volume 24.4 dm3 contains 1.0 mol H2 and 2.5 mol N2 at 298.15 K. Calculate (a) the mole fra...

A: Given, Volume (V) = 24.4 L Temperature(T) = 298.15 K Moles of N2(n1) = 2.5 mol Moles of H2(n2)  = 1....

Q: How much concentrated 18 M sulfuric acid is needed to prepare 250ml of a 6.0 M solution?

A: Dilution of the solution: When we dilute a concentrated solution with pure water, the mole of solute...

Q: S,0g? (aq) + C20,?(aq) → 2SO,2 (ae) + 2CO2(g) ter reaction with 50.00 mL of 0.05006 M Na2C204, the e...

A: Molarity of sodium oxalate = 0.05006 M  Volume of sodium oxalate = 50.0 mL

Q: You were given a sample of virgin coconut oil and solutions of the following: A- Ethanol B- NaOH C- ...

A: Solution - According to the question - Given - Ethanol , chloroform ,octane  set of solutions will b...

Q: The list below provides common observe. Some are scientifically true while others are misconceptions...

A: Here we have to predict the change in property (boiling point, freezing point volatility)  in the gi...

Q: Complete hydrolysis of which of the following disaccharides yields a single monosaccharide? lactose...

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Q: These are practice questions. Please help! Thanks.

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Q: Show what is asked for the following alkanes. 1. Pentane a) combustion b) halogenation 2. Butane a...

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Q: Based on the given tablr, which of the sample/s are non polar?

A: Like dissolves like. Polar substances dissolve in the polar solvent while nonpolar solvents dissolve...

Q: Consider the reaction below. 2.7 mol of A and 5.9 mol of B are added to a 7 L container. At equilibr...

A: Chemical equilibrium is defined as the stage at which both reactant and product are in equilibrium.

Q: Based on the table, which of the samples contain double bonds?

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Q: Consider the reaction: AC(9) + 2B(9) AB2 (8) + C9) What is the equilibrium expression for this react...

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Q: 1. What type of precipitate is BaSO4? 2. Why is a filter paper preferred over a sintered glass filte...

A: 1) Barium sulphate is a white color precipitate , it is ionic in nature . when barium chloride is mi...

Q: Balance the reaction, do not leave any fractions, don't leave anything blank, then answer the questi...

A: Balanced reaction can be defined as the reaction in which equal number of atoms are present on both ...

Q: uawssassY Directions : In a long bond paper, answe 1. How will you classify phot 2. Calculate the AE...

A: In photosynthesis reaction CO2 and H2O reacts to form glucose.  2. q = 250 KJ  Work done = - 170 KJ ...

Q: write the equillibrium constant expression kc and kp

A: The given chemical reaction is a reversible reaction and the reaction is as follows: H2g + I2g ⇌  2H...

Q: [References] The reaction of a mixture of CO and H2 is predicted to produce 586 g of CH3OH. CO(g) + ...

A: Given: Theoretical yield of CH3OH = 586 g Actual yield of CH3OH = 469 g

Q: A perfect gas undergoes compression at constant temperature, which reduces its volume by 3.08 dm3. T...

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Q: 3. Calculate the mass of ethane, C2H6, which must be burned to produce 120.0 kJ of heat. C2H6(9) + O...

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Q: What is the correct expression for the equilibrium constant (K) for the reaction between carbon and ...

A: Equilibrium constant (Kc) in terms of concentration can be defined as the ratio of concentration of ...

Q: Calculate the molarity and the molality of an NH3 solution made up of 30.0 g of NH3 in 70.0 g of wat...

A: Given, Mass of ammonia (NH3) = 30.0 g Mass of water (H2O) = 70.0 g  Density of the solution = 0.982 ...

Q: Directions: True or False: Write the word "HEAT" if the statement is CORRECT or “COOL" if the statem...

A: Correct and incorrect statements are given in the following step.  

Q: CH2Br NaNH2 1. ( 2) CH;CH2C=CH =CH3 (3) Lindlar's catalyst

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Q: Select De 1 equiv. H,N

A: Because Nitrogen is less electronegative than Oxygen hence amine (NH2 ) has more nucleophilic charac...

Q: Classify the reaction below: КОН ... - CH2CH2NH2 CH=CH2 heat A) rearrangement (B elimination c) subs...

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Q: The following chemical reaction takes place in aqueous solution: SnCl,(aq)+K,S(aq) SnS(s)+2 KCl(aq) ...

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Q: Balance the reaction, do not leave any fractions, don't leave anything blank, then answer the questi...

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Q: A gas is heated from 213.0 K to 398.0 K and the volume is increased from 13.0 liters to 35.0 liters ...

A: Initial pressure = 3.15 atm Initial temperature = 213 K Initial Volume = 13 Litre Gas Constant, R = ...

Q: 2-Methylpropane have more than one kind of hydrogen and will generate 2 different products with brom...

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Q: isopentane 4-methylcyclopent-1-ene toluene

A: Here we have to determine the compounds that can reacts with I2/KI and that can reacts with Br2 wate...

Q: Measurements show that the enthalpy of a mixture of gaseous reactants decreases by 308. kJ during a ...

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Q: A 29.00 g sample of metal alloy is heated to 92.6 °C; then placed in 55.23 g of water in an insulate...

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Q: Direction: Complete the table by identifying the solute and solvent. Classify the types of solutions...

A: Please find your solution below : Solute is a solid, liquid or gaseous phase substance that can be d...

Q: Which of the following is a sugar alcohol? Mannitol   Xylulose   Trehalose

A: Sugars refer the carbohydrates.Carbohydrates can be defined as the organic compounds made up of carb...

Q: 7:38 What products do you expect from reaction of 1-bromopropane with the following reagents? (a) Na...

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Q: The next two questions pertain to the situation described below. Calcium atoms (mass = 6.66x10-26 kg...

A: Given, mass of calcium atom , m =6.66×10-26 kgvelocity = 4msseparation between the slits , d=50 nmdi...

Q: Complete the following equations. a. CH;CH,NH H,SO4 ? b. .N' + 2 CH,соон c. CH;CH,CH,NH3*Br ° + NaOH...

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Q: reaction. Use the Standard Enthalpies of Formation in your textbook to determine the AH° for the Naz...

A: From the standard enthalpy of formation data  ∆Hf for CO2 is -393.51 kJ  ∆Hf for NaCl is -407.25 kJ ...

Q: Balance the reaction, do not leave any fractions, don't leave anything blank, then answer the questi...

A: In a balanced chemical reaction atoms of each element is same on both sides that is reactant and pro...

Q: A 4.200 g sample containing impure CuCl2- 2 H20 was heated to constant mass. The sample mass after h...

A: Mass of impure hydrated sample = 4.200 g  Mass of sample after heating = 3.362 g   We need to find m...

Q: Boron and sulfur form two binary compounds. The first contains 0.2247 g B/1.000 g S, and the second ...

A: Atomic Mass of B - 10.811 u Atomic Mass of S - 32.065 u Given, For the second compound 0.1348 g B/1....

Q: 2. Circle all the compounds below that will racemize when treated with a weak acid or base. Explain ...

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Q: A 5.00 g sample of aluminum pellets (specific heat capacity = 0.89 J/°C•9) and a 10.00 g sample of i...

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Q: The following Rf values were computed from a normal phase chromatography experiment. Arrange them fr...

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Q: An Ag/AgCl electrode dipping into 1.00 M HCI has a standard reduction potential of +0.2223 V. The ha...

A: Answer: To find out the molar concentration of chloride ion in the solution we have to use the Nerns...

Q: 2. A solution that may contain Cu, Bi?", Sn*, or Sb* is treated with thioacetamide in an acidic medi...

A: 2. subjective examination Dark encourage halfway disintegrated in basic medium : could be Cu2+ Stayi...

Q: A chemist placed a 1.195 g sample of fuel in a bomb calorimeter which was immersed into 2.00 L of wa...

A: The mass of the fuel sample is = 1.195 g The increase in the temperature of the water is = 20.1oC to...

Q: For items 11-15, Draw the structures of the missing products in the given reactions. CH2Br NaNH2 CH,...

A: NaNH2 ==> Acidic proton abstraction Lindlar's catalyst ===> Alkyne to cis alkene HBr ===> M...

Spectroanalytical Methods

Spectroanalytical methods measure the wavelength and intensity of radiations that are either emitted or absorbed by a molecular or atomic species. These methods are useful for evaluating the electronic or atomic arrangement of the molecules of a given analyte.