Question 12 All of the following are TRUE about molecular fluorescence spectroscopy, except: O A. the sensitivity is one to three orders of magnitude better than absorption spectroscopy. O B. the absorption spectrum and the fluorescence spectrum for a compound often appears as approximate mirror images. O C. small linear concentration range. O D. the radiant power of fluorescence is proportional to the radiant power of the excitation beam absorbed.

Q: 2AgNO3(aq) +CaBr2(aq) --> 2AgBr(s) + Ca(NO3)2 (aq). Calculate the excess of the excess reagent, in m...

A:

Q: At a certain temperature this reaction follows first-order kinetics with a rate constant of 0.0033 s...

A:

Q: PART 3: Complete and balance the reaction below in basic solution: H2O2(aq) + Cl02(aq) cloz(aq) + Oz...

A:

Q: Acid/Base Ionization & pH & pOH 2. Calculating [H;O*]/[OH] from pH/pOH a) [OH] when pH = 5.30 b) [OH...

A:

Q: What is the color of a visible radiation having an energy of 3.60 x 10-19 Blue : 440 - 490 nm קנ Gre...

A: Given :- energy of radiation = 3.60 × 10-19 J  To identify :- color of radiation  

Q: Calculate the molality of a sulfuric acid solution containing acid is 98.09 g. Molality = Moles solu...

A:

Q: What process is involved in #1? Singlet excited states 2 Triplet excited state 3 4 5 Ground stateS V...

A:

Q: Which of the following statements are true for chemical interference? I. Releasing agents are added ...

A: Chemical Interference : It is occurs when the analyte is not totally decomposed in a flame. These ar...

Q: In which region of the electromagnetic spectrum does an absorption at 600 nm come? O A. Visible O B....

A: Electromagnetic spetrum is the arrangement of electromagnetic radiation according to wavelenght or f...

Q: Balance the following aqueous chemical reaction. Note: Review OpenStax Chemistry 2e 4.1 e if you nee...

A:

Q: Some measurements of the initial rate of a certain reaction are given in the table below. H2|2| init...

A: Answer: According to the law of mass action, rate of reaction is directly proportional to the concen...

Q: Which of the following mixtures would result in a buffered solution when 1.0 L of each of the two so...

A: A buffer is defined as the mixture of a weak acid with its conjugate base or a conjugate acid with i...

Q: Determine the isomeric form exhibited by structure provide. HO CH2NHCH3 H3CH2C CH,NCH2 A E double bo...

A:

Q: CH3 H2N,, НООС COCH3 A R configuration B S configuration

A:

Q: How many joules is a 2 cycle/sec photon of radiation of a beam of infrared radiation with a waveleng...

A:

Q: All of the following are TRUE about molecular fluorescence spectroscopy, except:   A. the radiant ...

A: In molecular fluorescence spectroscopy  a beam of light excites electrons present in molecules of a ...

Q: What type of emmision spectra occur when the radiating species are individual atoms or ions that are...

A: When white light falls on a prism placed on a spectrometer split into band of colours, as the compon...

Q: Question 31 All of the following are assumptions in Beer-Lambert's Law, EXCEPT: O A. Path length is ...

A: According to Beer Lambert law, absorption of a substance is directly proportional to path length  an...

Q: Which is TRUE for spectroscopy of a mixture? O A. The absorbance for a mixture at a particular wavel...

A: Absorbance is a Additive properties . that is if two compounds absorbance in a perticuler wavelength...

Q: estion 6 he equilibrium constant for a particular reaction is 3.9 x 10-10 at 25°C. What is ne standa...

A: Standard Gibbs free energy is related to equilibrium constant

Q: An electron-withdrawing inductive effect generally A Increases acidity of carboxylic acids B Decreas...

A:

Q: Given this reaction at equilibrium, C(s) + CO2(g) D 2CO(g) (∆H° = 119kJ), explain the changes that w...

A:

Q: Draw the correct product for the given Diels-Alder reaction. Select

A:

Q: Sydney Brenner isolated Salmonella typhimurium mutants that were implicated in the biosynthesis of t...

A:

Q: A solution is prepared by adding 2.0 g of solid CaBr2 and 1.55g of NaBr to 100.ml of 0.15 M AlBr3.  ...

A: Given, A solution is prepared by adding 2.0 g of solid CaBr2 and 1.55g of NaBr to 100.ml of 0.15 M A...

Q: In the deficiency referred to in question 40, a deficiency of the form of develops which makes the e...

A: Glutathione is used as antioxidant and helps in balancing of the free radicals in the cells and thus...

Q: What is the frequency of light having a wavelength of 4.50 x 10-6 cm?

A: Given :- wavelength of light = 4.50 × 10-6 cm  To calculate :- frequency of light

Q: A 500.0 ml adrenaline (Mw =183.2 g/ mol) solution in water with a concentration of 1,00 mg/ml must b...

A: Calculation of molarity from concentration given concentration(mg/ml)molecular weight(mg/mmol)

Q: What is the pH at the equivalence point of the above titration (50.0 mL of 0.10M acetic acid being t...

A: Since you have asked multiple question, we will solve the first question for you.If you want any spe...

Q: Three resonance structures of the given anion are possible. One is given, but it is incomplete. Comp...

A:

Q: A spectrophotometric method was developed to determine the Pb2+ in blood using Cu2+ as an internal s...

A:

Q: The solubility of Co(OH), in water at 25 °C is measured to be 6.4x 10 10. Use this information to ca...

A: We have to predict the Ksp.      

Q: Which reaction is expected to be accelerated by addition of a crown ether? H3C-OH 1. NaH, DMF 2. CH3...

A: We have to tell among the given reaction which one is accelerated by the addition of crown ether. He...

Q: Calculate the equilibrium concentrations of the gaseous products if a sample of solid NH,SH is place...

A:

Q: A certain organic compound O has a solublity in hexane of 0.191 ml. t 10. "C. Calcuiate the mass of ...

A: Given, 500 mL of hexane. Solubility of compound O in hexane is 0.191 g/mL at 10 oC. Thus, at saturat...

Q: What is the color of a visible radiation having an energy of 3.60 x 10-19 J? Blue : 440 - 490 nm Gre...

A:

Q: The pH of an aqueous acid solution is 6.15 at 25°C. Calculate the K, for the acid. The initial acid ...

A: Given :-  initial concentration of acid = 0.012/M  pH of solution = 6.15  To calculate :-  Ka of aci...

Q: What process is involved in #4? Singlet excited states 2 S Triplet excited state S, T, 4 bsorption 5...

A: In the diagram, 4 is the transition of singlet to triplet state.

Q: Which of the following statements DOES NOT describe the real limitation of Beer’s Law?     At the ...

A: According to Beer Lambert law, the absorbance of a substance is directly proportional to path length...

Q: A sample of air contains 78.08% nitrogen, 20.94% oxygen, 0.0500% carbon dioxide, and 0.930% argon by...

A:

Q: How many grams of phosphine (PH3) can form when 12.9 g of phosphorus and 75.3 L of hydrogen gas reac...

A: Reaction's stoichiometry plays an important role for determining the amount of product.

Q: A mole of a compound composed of nitrogen and oxygen (N xO y) has a molecular weight of 92.0 g/mol. ...

A: Given,  Empirical formula = NxOy  Molecular weight of NxOy = 92 g/mol   

Q: To purify a certain protein, you were required to prepare a 0.10 M glycine buffer at pH 9.4. Unfortu...

A: The one at pH 9.0 has a concentration of 10^-9 of H+, and the one at pH 10.0 has a concentration of ...

Q: The rate constant for this first-order reaction is 0.770 s- at 400 °C. A → products How long, in sec...

A:  

Q: Which of the following reaction scheme is expected to afford the following product? HO ОН O The foll...

A:

Q: Calculate the mass of one bromine atom. a. 6.022 x 1023 g O b.4 812 x 1025g O c. 1.327 × 10-22 g O d...

A: Atomic mass is defined as the quantity of matter that is present in an atom of element.

Q: In which region of the electromagnetic spectrum does an

A:   Electromagnetic spectrum :  It is a range of frequencies of electromagentic radiation and their wa...

Q: 7.

A: Cabonyl carbon is more electrophilic centre than alkene . For addition of nucleophile to alkene , we...

Q: what type of crystalline solid would form for Br2?

A: Answer: There are four type of crystalline solids: 1. Ionic solids 2. Metallic solids 3. Network sol...

Q: Provide the proper IUPAC or common name for the following compound. HO. OH cyclopentane-1,3-dicarbox...

A:

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.