Topic:Fluorescence spectroscopy An introduction explaining: what the technique is about, the basic principles/ theory of the technique, and how the instrument or spectrometer works.

Q: In an unknown sample, the amount of ascorbic acid (C6H8O6) is determined using coulometry. Analysis…

A: According to Faraday's first law of electrolysis, the amount of substance deposited at any electrode…

Q: 2. In the quantum mechanical model of the atom, a maximum of 10 electrons is predicted to occupy a…

A: The quantum numbers given are,

Q: H2 PUcharcoal H2 Lindlar's catalyst (1) OyCH-Cly-78°c (2) CH,COOH) H2 Pd/SrCO, (1) Oy/CH,C-78°c (2)…

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Q: A kinetics experiment is performed to determine the activation energy of a reaction. The following…

A: Given, the experimental data for the determination o0f activation energy of a reaction: We have to…

Q: 1. (CH,CH,),CuLi 2. руridine 3. Br2- NaOH 4. Н.О Answer Bank PBr, CH, Li Br,, hv CH, MGB. CH,CH,Cu…

A: R2CuLi is shoft so it will attack on shoft position

Q: 16. The combustion of cyclopropane is as follows: Known bond strengths (KJ/mole) C-H 413 C=0 799 O-H…

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Q: 4. The reaction 2NO(g) + Ozlg) - 2NO:lg) has the following rate law: Rate - kjO:||NO]2. If the…

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Q: How many states are contained in a (a). 2p' 3d' configuration? (b). "F, term? (c). 1s° 2s° 2p° 3s°…

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Q: The value of ΔE in kJ, for a system that does 213 kJ of work on its surroundings and loses 79 kJ of…

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Q: A chemist reacted 17.25 grams of sodium metal with an excess amount of chlorine gas. The chemical…

A: Sodium reacts with chlorine to form sodium chloride. The equation for the balanced chemical reaction…

Q: The compounds shown below is (1R,25,35)-3-chloro-2-methylcyclohexan-1-ol. Which is the following…

A: Detail solution is given below

Q: vapor pressure (in torr)

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Q: 3. A solution containing 10 g of NH3 at 90°C can be described as- ib e tuloa insoluble…

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Q: A solution was found to have a pH of 13.33 at 25 °C. What is the concentration of OH? O a. 0.21 M O…

A: To find the OH- concentration, first find out the pOH and using that pOH, find out concentration of…

Q: How you would prepare 950 mL of a 1X CuSO4•5H2O solution from a 25X CuSO4•5H2O stock

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Q: The density of gaseous ammonia in a 4.32-L container at 837 torr and 45.0°C in g/L will be: Select…

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Q: An aqueous solution of copper (II) nitrate was electrolyzed using a current of 1.5 A for 60 minutes…

A: Given that -  Current used for copper (II) nitrate Electrolysis = 1.5 A  Time = 60 minutes = 60×60…

Q: a. Determine the [OH−][OH−] , pH, and pOH of a solution with a [H+][H+] of 8.8×10−9 M8.8×10−9 M at…

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Q: An electric current of 26.30 A transports 350. µC of charge. Calculate the time this toc Be sure…

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Q: Which atom is smaller?

A: Given ; H and He

Q: (b) Barbituric acid, HC.HN.O. (aq), is a weak acid with a Ka of 9.8 x 10 Calculate the [H+], pH and…

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Q: Substance AHf (kJ/mol) KCIO3(s) -397.7 KCI(s) -436.5 What quantity of heat is released when 1.00 g…

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Q: 1Who was the first scientist to include electrons in the atomic model?   Dalton   Bohr   Thomson…

A: Here, we have to find: the first scientist to include electrons in the atomic model what control…

Q: Predict the product and include side product(s):

A: Carboxylic acids in the presence of acidic conditions reacts with alcohols to form esters.

Q: grams of iron are needed?

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Q: Substance AHf (kJ/mol) KCIO3(s) -397.7 KCI(s) -436.5 What quantity of heat is released when 1.00 g…

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Q: 30.00 g of lead (II) nitrate reacted with 40.00 g of sodium iodide according to the following…

A: The balanced reaction taking place is given as, => Pb(NO3)2 (aq) + 2 NaI (aq) → 2 NaNO3 (aq) +…

Q: n of cyclohexene with KMNO4 and NAOH at

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Q: What is the mass in grams of magnesium chloride that can be produced from 6.68 moles of chlorine gas…

A: Given, Mg(s)+Cl2(g) ➝ MgCl2 moles of chlorine (Cl2) gas reacts = 6.68 moles Excess reactant ➝…

Q: 13. Draw Frost circle (polygon-in-a-circle) diagrams for TI molecular orbital energy levels of the…

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Q: Which of the following is an acidic salt? O a. Na2SO4 O b. NaCI С. КС O d. NH4CI O e. CH3COONa

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Q: The root-mean-square speed of a gas at -83.62°C is 271.66 m s^-1. what is the molar mass of the…

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Q: How many unpaired electrons has the element Selenium (Z=34) in its ground state? * 3.

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Q: Predict the products for the following reactions. Draw the skeletal structure for the reactants and…

A: The reactants given are,

Q: What are the units of the retention factor (Rf)? Briefly explain your conclusion.

A: The correct answer about Retention factor is given below

Q: On the graph below, draw a potential energy diagram for the following reaction: Q + R -> S + T…

A: We have given the reaction Q + R → S + T PE of Q + R = 150 kJ PE of S + T = 250 kJ PE of the…

Q: C;H2 (g) +2 H2 (8) = CHs (g) The standard Gibb's free energy of formation values for CH2, H2, and…

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Q: mass, in pounds

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Q: 5. Another unit that is used quite frequently in microwave spectroscopy is GHz (Gigahertz, 1x 10°…

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Q: Which statement about fusion enthalpy and condensation enthalpy is correct? O a. There is no general…

A: Fusion and condensation enthalpies are of two different processes.

Q: If Vroluene :25ml and Voit 25ml Viwater 10oml mwt find wt :?

A: Total volume of the solution is given by = 100 + 25 + 25 Total volume = 150 mL Volume (L) = 150/1000…

Q: How much heat will be absorbed when 13.7 g of nitrogen reacts with excess O2 according to the…

A: The reaction given is, => N2 + O2 → 2 NO                        ∆H = +180 KJ. Given: Mass of N2…

Q: CH 0-CH What kind of molecule is this? Your answer should be one word or a two-word phrase. For…

A: Ans1. The above molecule is a sphingolipid Ans2. The common name for red coloured region A is…

Q: 9. I2 + CIO3 → I03 + CI (acidic) 10. MnO4 + NH3 MnO2 (s) + NO3 (basic) 2+ 11. Mg (s) + ReO4 → Mg* +…

A: In order to balance the reaction, we first need to determine the oxidation states of all the…

Q: Classify each aqueous solution as acidic, basic, or neutral at 25 °C. Acidic Basic Neutral Answer…

A: At 25°C ;  pH + pOH = 14.0 pH = -log[H+]  pOH = -log[OH-]

Q: b. For each pair State whetner theyare resonance, Enantiomer, diastereomers structural isonmers or…

A: Since you have posted a question with multiple sub-parts, we will solve the first three subparts for…

Q: A scientist does an experiment to collect a gas in a chamber that maintains standard pressure.…

A: Standard pressure = 1 atm = 760 mm Hg Also, for ideal gas- P1V1 = P2V2

Q: For each system listed in the first column of the table below, decide (if possible) whether the…

A: Given:

Q: Consider a 25.0 mL buffer solution containing 0.100 M sodium alderate and 0.126 M alderic acid.…

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Q: Suppose an archaeologist has recently unearthed a set of short-faced bear bone fragments and…

A: Given: Bone fragment have lost 87.1 % of their original carbon-14 content. half-life of C-14 =5730…