Choose the molecule(s) that will only show two signals, with an integration ratio of 2:3, in their 1H NMR spectum. Choosé one or more: O molecule A O molecule B O molecule C O molecule D O molecule E O molecule F O molecule G O molecule H

Q: number of the terminal B-H streching vibrations which are active infrared and Raman spectra of…

A: The technique which is used to determine the interactions between various electromagnetic radiations…

Q: What is the charge of an ionized peptide in the mass spectrometer if its isotopic peaks are 0.20 m/z…

A: Hi! since you haven't mentioned which question to be answered, we will answer one of the question…

Q: The enzyme phenylalanine deaminase removes a _________  from phenylalanine to produce phenylpyruvic…

A: Enzymes are proteinaceous catalysts that are genetically encoded by the cell often present with…

Q: Which of the following materials will have the greatest effect on colligative properties of a…

A: Pure water and solutions of ionic or covalent compounds behave differently in their physical…

Q: The Bohr effect refers to:     a. the decrease in affinity of Hb for O2 when the pH goes down b.…

A: The hemoglobin has an affinity towards oxygen which makes it capable to carry oxygen throughout the…

Q: If the enthalpy of standard formation enthalpies of CO and CO, are-110 kJ mol and -393.5 kJ mol,…

A: the enthalpy is the sum, of the total internal energy and product of pressure and volume and the…

Q: Which of the following is not true about electromagnetic radiation? O frequency is directly…

A: In electromagnetic radiations Energy of waves is directly proportional to its frequency and…

Q: Given the chromatogram below in a normal phase, which samples would be the most polar? A O Samples C…

A: The process of separation of molecules in normal phase depends on the distribution of particles…

Q: The table below provides kinetic information when ADH is reacted with ethanol alone, NAD+ alone, and…

A: Enzyme kinetics is the study of an enzyme catalyzed biochemical reactions. Usually it is studied by…

Q: In a two-stage biological system reaction which goes through an intermediate: (select all that…

A: In biological system reaction the reactant is converted into product through intermediates.

Q: Why do you think that noble gases are very close to ideal behavior.

A: For a gas to be ideal, the interactive forces between the gas particles must be negligible and the…

Q: Why is it important to select a good stationary phase? a) To retain the desired molecules and…

A: Chromatography is a separation technique often used to separate and purify molecules such as…

Q: You must make a choice between two chromatographic systems for the analysis of a specific compound.…

A: Partition coefficient can be determined as the ratio of the two-phase that is the stationary and…

Q: Guanosine (C10H13N5O5) in solution has a maximum absorbance at a wavelength of 275 nm. The molar…

A: The Absorbance of a molecule/substance is related to its concentration and the path length of the…

Q: A chemistry student at GGC synthesized a new sulfonamide (S7) drug to help treat malaria. Using a…

A: In chemistry, the half-life of a species is generally the time it makes for the concentration of…

Q: Heliox is a helium‑oxygen mixture that may be used in scuba tanks for divers working at great…

A: Boyles law states that at a constant temperature, the pressure of a gas is inversely proportional to…

Q: Which of the following is NOT a REDOX reaction?   2Al(s) + 3CuSO4(aq) → Al2(SO4)3(aq) + 3Cu(s)…

A: Given,  2Al(s) + 3CuSO4(aq) → Al2(SO4)3(aq) + 3Cu(s)   Cl2(aq) + 2KBr(aq) → Br2(aq)…

Q: Which of the following correctly identifies the products and reactants labeled in the image above?

A: Photosynthesis is the process found in the chloroplast.  Citric acid cycle and electron transport…

Q: Given: 2KI +Pb(NO3)2 --> PbI2 + 2KNO3.  How many grams of lead (II) iodide are produced if 0.250…

A: 2KI +Pb(NO3)2 --> PbI2 + 2KNO3 Thus, 2moles of KI with 1mole of Pb(NO3)2 gives 1 mole of PbI2…

Q: For this question, use the following reaction and Kc value: 2NH3 (9) * N2(9) + H2(9) Kc = 3.4 x 10-4…

A: The forward and reverse reactions have the same rate when a reaction is in equilibrium. The amounts…

Q: After performing an FTIR analysis on CO, you plot transition frequency (cm¯1) vs. m and fit your…

A: Frequency is 4259cm-1

Q: a. What is the optimum pH of wild type β-galactosidase?         _________ b. What is the optimum…

A: An enzyme is  shows its maximal activity at its optimal condition like pH, temperature, substrate.

Q: Enter the correct color for the visible light for each wavelength. 380-450 450-495 495-570…

A: Visible spectrum is that part of electromagnetic spectrum which is visible to human eye.

Q: Which of the followings statements is false considering the properties of alkaloids:

A: Alkaloids are naturally occurring organic compounds. They have at least  one nitrogen atom in their…

Q: If the equation produces from data is y = 0.300x - 0.857 and the absorbance for the unknown is…

A: Note: Since you have posted multiple independent questions in the same request, we will solve the…

Q: hich compound is more likely to absorb at 200-

A: Amino acids Proteins are the polymers of nitrogenous compounds called amino acids. Each amino acid…

Q: • Using receptor theory, explain why only one of these isomers reacts vin the enzyme to form a…

A: The receptor theory is used to describe the interaction of drug molecule binding to biological…

Q: What wavelength is most suitable for quantitative analyses for an analyte exhibiting the UV-Vis…

A: Quantitative analysis is the method of determination of concentration of an analyte where teh amount…

Q: The inverse logarithm, or -log, of [H3O*l][OH*l] = 10*14 is pH + pOH = 14 1. What happens to the…

A: Water has many unique properties that make it very special and important for life on earth. The…

Q: Explain why when non-polar molecules are placed in water, they cause the entropy of the system to…

A: Hydrophobes are nonpolar molecules and usually have a long chain of carbons that do not interact…

Q: The components of poison ivy and poison oak that produce the characteristic itchy rash are catechols…

A: Poison ivy is an allergic Asian and eastern north American plant that causes urushiol-induced…

Q: The wavelength for cobalt (II) chloride is set to 549 nm. Why is this wavelength being used?

A: In uv visible spectroscopy , we measure the absorption of radiation by the sample at a particular…

Q: What wavelengths of electromagnetic radiation possess sufficient energy to be antimicrobicidal?…

A: Electromagnetic radiation travels as waves at maximum speed (speed of light). X-rays, gamma rays,…

Q: Write shortly about the instrumentation of ATR spectroscopy.

A: The tool of spectroscopy is used to study the structures of atoms and molecules. The large number of…

Q: if the reaction given below occurs and pure A and B were mixed, which of the following would take…

A: In a chemical reaction, chemical equilibrium is the state in which both the reactants and products…

Q: Atomic absorption spectroscopy is usually more sensitive than atomic emission spectroscopy because…

A: In case of Atomic Emission Spectroscopy (AES), when energy is absorbed by electrons, the electrons…

Q: If a bottle of aspirin tablets has the aroma of vinegar, it is time to discard those tablets.…

A: Aspirin belongs to a class of organic molecules called esters i.e. good smell compounds. These…

Q: `N*

A: The plasma membrane is a lipid bilayer structure that encloses the content of the cell of the…

Q: ou resuspend 1 ml of of a purified chlorophyll sample in 10 ml of 80% acetone, and determine that…

A: The Beer-Lambert Law (also called Beer’s Law) is used to determine the concentration of unknown…

Q: Which of the following structure/structures will go through a combustion reaction (is flammable).…

A: The reaction involving the release of energy (in light, flame, or heat form) when a substance…

Q: 1. Explain the X-ray spectrum given in the figure below. Kaz liigu 80 90 Relative output 0 10 20 30…

A: Introduction An X-ray, also known as X-radiation, is a type of high-energy electromagnetic radiation…

Q: Why does one see bromocresol green as indigo in color? You may need to do some online research as to…

A: Every molecule absorbs light at a specific wavelength.

Q: What are the applications of the Henderson Hasselbalch equation in pharmaceutical analysis? use your…

A: Henderson Hasselbalch equation is a mathematical expression that relates or links the pH of a…

Q: Given the balanced equation with an unknown compound represented by X, which compound is represented…

A: Sugars such as glucose, sucrose, fructose, etc., can be converted to alcohol (ethanol) by a…

Q: Which one of the following statements is completely TRUE? O When AG > 0, the reaction is BOTH…

A: According to thermodynamics, every component of a system possesses free energy. Free energy of…

Q: which of the following are true regarding chemical equilibrium (choose all that are true)  a.…

A: When the concentration of both reactant and product is the same in the chemical reaction, it is…