Which is NOT a variable in the Beer-Lambert law? the absorbance of the sample the path length through the sample the molar extinction coefficient the wavelength of light the concentration of the sample

Q: d Reduction (FADH₂) R' + FADH ₂

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Q: 5. Write a flow chart to show how you could separate the following pairs of compounds by using…

A: We have to separate the given compounds using acid-base extraction.

Q: Calculate the degree of unsaturation (DU) for the molecule shown below. HO Hill... |||| OH

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Q: The concentration of hydroxide ion in an aqueous solution at 25°C is 1.3 × 10⁻⁴ M. What is the…

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Q: xperiment 2: The dissolution of NaOH(s) 1 point 1 The temperature of 96.954 g of an aqueous solution…

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Q: In Einstein's photoelectric experiment, the kinetic energy of an electron displaced from a metal by…

A: Kinetic energy of electron can be calculated by calculating the energy of UV wavelength.

Q: Solid-state electrodes that respond to anions create potential difference across the solid-state…

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Q: What is the concentration of H2SO4 (in mol/L) based on the data from their second titration? Report…

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Q: if the Ksp of AgCl is 1.5 x 10 -8, calculate the molar concentration (M) of AgCl in a saturated…

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Q: Which of these structures represent the same compound? CH₂ CH3 CH₂ CH₂ CH3 H3C CH (B) CH₂ CH2 CH3…

A: Isomers are the species having same moleculer formula but different structures ,i.e. atoms or groups…

Q: What material is the sample cell commonly made of in each type of spectroscopy? Ultraviolet (UV)…

A: The sample cell is the container in which the analyte(sample) is placed for the spectral analysis.…

Q: Give the systematic names of these compounds. Spelling counts. Cul(s): Fe₂O₂ (s): CoF₂ (s): FeO(s):

A: In these given compounds transition metals are involved, so first we have to determine the oxidation…

Q: Calculate the frequency in hertz of electromagnetic radiation that has a wavelength of 548.0 nm. (c…

A: Given :- wavelength of radiation = 548.0 nm  c = 3.00 × 108 m/s  To calculate :- frequency of…

Q: An analgesic drug, acetaminophen (MM = 151.16), was synthesized in the laboratory by reacting 3.25 g…

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Q: In the kinetic molecular theory of gas behavior, the assumption is made that gas molecules…

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Q: In the following reaction, when the equation is correctly balanced, what is the correct coefficient…

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Q: The equilibrium constant, Kp, for the following reaction is 55.6at 698 K: H2(g) + I2(g) 2HI(g)…

A: Given is, Kp= 55.6  Initial pressure= 1.33 atm  H2 + I2 -----> 2HI  Calculate pH2 =?…

Q: Simpliest form of substance

A: An element is the simplest form of substance, consisting exclusively of one type of atom.

Q: الد 88 CO {} 0₂. H₂ H₂ NO- H₂ 100 MHz COSY of 1,3-dinitrobenzene. At the left-hand edge and at the…

A: Given  To be assigned = peak and coupling partner

Q: can you also do the other 3 equations

A: In this question, we have to solve the remaining 3 parts in question no. 3.

Q: The OH⁻ concentration in an aqueous solution at 25 °C is 8.9 × 10⁻³. What is [H⁺]?

A: Product of hydrogen ion concentration and hydroxide ion concentration is equal to the ionic product…

Q: What would be the major product with the Pd/c and H2?

A: In both the case product are different. As shown below:

Q: 8.40 g of hydrated nickel (II) sulfate is heated to produce 4.60 g of anhydrous compound NiSO4.…

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Q: Onverting liquid water to solid ice releases 1.44 kcal/mol (6.02 J/mol). Type here to search C 0…

A: Conversion of liquid water to solid ice release 1.44 kcal/mol or 6.022 KJ/mol.  c) kilocalories…

Q: When a solution is titrated with an base, an indicator (HIn) changes from yellow to blue (In). The…

A: Answer: An indicator is a chemical substance that indicates about the completion of titration by…

Q: If benzophenone is your limiting reagent and you utilize 0.321 grams, how many grams of…

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Q: 2. Lead (II) sulfide is the principle source of lead metal. To obtain the metal, the sulfide is…

A: This is based on Hess law.

Q: Potassium nitrate, KNO,, has a molar mass of 101.1 g/mol. In a constant-pressure calorimeter, 47.3 g…

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Q: What is the molar mass of MgSO4 ● 7 H2O ? H=1.01 O = 16.00 Mg = 24.31 S=32.07

A: Given, molar mass of MgSO4 ● 7 H2O  = ? Note: The molar mass of different atoms are, H = 1.01 g/mol…

Q: A researcher studying the nutritional value of a new candy places a 3.20 g sample of the candy…

A: we need to calculate Calories per gram of candy

Q: Which of the following statements is false? O Radionuclides with high neutron-proton ratios will…

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Q: A chemist prepares a solution of sodium bromide   NaBr    by measuring out  0.25g  of  NaBr  into…

A: Given :-  Mass of NaBr = 0.25 g  Volume of solution = 50. mL  To calculate :-  Molarity of Br- ions

Q: CH4 (9) +20₂(g) → CO₂(g) + 2H₂O(l) H-891 kJ a. Calculate the enthalpy change if 2.01 g methane is…

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Q: НО to OH -OH CH,OH H2SO4 75% H2SO4 100°С

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Q: 2. A 2.500 gram sample of NaOH is titrated in the lab with 0.750 M H₂SO4 sulfuric acid. How many mL…

A: Mass of NaOH = 2.500 g Molarity of H2SO4 = 0.750 M

Q: Benzoic acid is used to determine the heat capacity of bomb calorimeters because it can be obtained…

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Q: A 50.0 mL sample containing Cd²+ and Mn²+ was treated with 57.3 mL of 0.0700 M EDTA. Titration of…

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Q: The temperature of a sample of aluminum increased by 22.4 °C when 275 J of heat was applied. What is…

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Q: The dissociation of lactic acid to lactate is shown in the reaction. Lactic acid has a pKa of 3.86.…

A: We would use Henderson Hasselbalch equation to calculate the ratio.

Q: Write the electron configuration for Cu.

A: Electrons are filled in  sublevels in increasing order of their energies.

Q: What is the [OH⁻] of a 2.60 M solution of pyridine (C₅H₅N, Kb = 1.70 × 10⁻⁹)?

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Q: A 1.00-L flask was filled with 2.00 moles of gaseous SO₂ and 2.00 moles of gaseous NO2 and heated.…

A: Given that -  Volume of the flask = 1.00 L  Initial moles of SO2 gas = 2.00 moles  Initial moles of…

Q: ? A H₂ & Pd/C B Zn/Hg & HCI C H₂NNH₂ & KOH & A D LAH

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Q: A sample of an unknown hydrate weighs 0.500 g and after heating it weighs 0.100 g. What is the…

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Q: Calculate the number of oxygen atoms in a 90.0g sample of diphosphorus pentoxide P2O5 .…

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Q: Which of the following is not amphoteric? HCO3 NH4+ H₂O H₂PO4 HS

A: Amphoteric : These are those substances which acts as both acid and base. According to Bronsted…

Q: Write an equation for the reaction (if any) of benzaldehyde with each of the following reagents: -…

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Q: The pH of a 0.0062 M solution of Ca(OH)₂ is

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Q: Write the full electronic configuration for lead (Pb).

A: The subshell with lowest (n + l) value is filled up first when two are more subshell have same (n+l)…

Q: How many moles of Na+ are present in 343 mL of a 1.27 M solution of Na2SO4?

A: Moles = molarity × volume (L) Number of moles of Na2SO4 = 1.27 M × 0.343 L = 0.43561 mole