What is the molar extinction coefficient (e) for o-nitrophenol at max? Explain how you arrived at this value.

Q: Use the observations about each chemical reaction in the table below to decide the sign (positive or…

A: Conditions :  A reaction with negative free energy change (∆G is negative) is spontaneous. The…

Q: ночно княгом + "H Hexanal

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Q: Write out two sets of quantum numbers that define the location of the last two electrons placed…

A: Molybdenum (Mo)   Atomic number = 42   Electronic configuration =  1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6…

Q: When compound CH3-C(CH3)=CH-CH2-CH(CH3)2 is the SUBSTRATE (reactant) in a HALOGENATION reaction with…

A: The halogenation of an alkene is an anti addition reaction.

Q: At 400 K oxalic acid decomposes according to the reaction: H.CO,(9)CO (g)+HCOOH(9) In three separate…

A: The given chemical reaction is H2C2O4(g) →CO2(g) + HCOOH(g)

Q: Please, help me to do question 5 (What purpose does the acetic acid serve in this oxidation reaction…

A: Solution: The oxidation of help the cyclohexanol is achieved by the treatment of sodium hypochlorite…

Q: your coon он OH COCH он

A: Given starting compound is shikimic acid

Q: (a) Calculate the Carnot efficiency of a primitive steam engine operating on a steam at 100 °C and…

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Q: Would this function be an eigenstate of the momentum operator? Show why or why not

A: Given that, a function is φ±kx = A±k·eikx + e-ikx2 = A±kcoskx. We have to identify whether this…

Q: 96. For the reaction of hydrazine (N₂H4) in water, H₂NNH₂(aq) + H₂O(1) —H₂NNH; (aq) + OH(aq) K is…

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Q: Explosive exnon trioxide, XeO3, is prepared as in the below unbalanced equation. In one expriment,…

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Q: Suppose you mix 100.0 g of water at 23.6 °C with 75.0 g of water at 78.5 °C. What will be the final…

A: Answer: This question is based on energy conservation where energy lost by hot water will be equal…

Q: blank] is the correct IUPAC name for the compound with the following condensed structural formula:…

A: Rule of IUPAC- 1) Choose the longest carbon chain as parent chain. 2) Numbering start from those…

Q: Each value represents a different aqueous solution at 25 °C. Classify each solution as acidic,…

A: Given, Based on pH scale we can classify type of solution as acidic, basic or neutral. If pH of a…

Q: At 20 °C, a 1.73 M aqueous solution of ammonium chloride has a density of 1.0257 g/mL. What is the…

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Q: What volume of a 0.205 M potassium hydroxide solution is required to react with 12.3 mL of a 0.333 M…

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Q: SHOW YOUR WORK! Use conversion factors to determine the answers to the Following questions. Do not…

A: To solve this problem we will use the law of dilution .  Here, we will use the formula  M1V1 = M2V2…

Q: A sample of an ideal gas has a volume of 3.75 L3.75 L at 11.80 ∘C11.80⁢ ∘C and 1.40 atm.1.40 atm.…

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Q: 10) The quantum ID particle in a box can undertake transitions to its states with higher or lower…

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Q: Silver chromate is sparingly soluble in aqueous solutions. The ?sp of Ag2CrO4 is 1.12×10−12 .…

A: The solubility product constant, Ksp, for silver chromate (Ag2CrO4) is given as 1.12×10−12. The…

Q: (a) Write the balanced chemical equation that represents the standard heat of formation of HNO3(I)…

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Q: 1. KMnO4, HO™ 2. LiAlH4 in Ether 3. H₂O, H₂SO4 4. KOBu, tBuOH 5. NaH, Mel OMe OMe

A: We have given the organic reaction and we have to Draw the full mechanism with curved arrows.

Q: At 25 °C, the reaction 2NH3(8) = N₂(g) + 3H₂(g) has Kc = 2.3x 10⁹. If 0.043 mol NH3 is placed in a…

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Q: A 250.0 mL buffer solution initially contains 2.0x10-2 M of HCHO₂ and 2.0x10-² M of NaCHO₂. Part A…

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Q: Which of the following molecular geometries exhibits the smallest bond angles? planar triangular…

A: The objective of the question is to find out which molecular geometry exhibits smallest bond angle :…

Q: What concentration would a 100X stock of atrazine be if you will use it at 3 ppb?

A: 3 ppb atrazine represents 3 μg/L solution. The molar mass of atrazine is 215.68 g/mol. To determine:…

Q: SHOW YOUR WORK! Use conversion factors to determine the answers to the Following questions. Do not…

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Q: Draw the structure of only one of the two compounds named below. R-2-bromopentane Name either of the…

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Q: 1a) Calculate q. 1b) Calculate w. 1c)Calculate delta E 1d) Calculate delta H

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Q: Which of the following elements are diamagnetic in the ground state (for a free atom)? Select one or…

A: To decide whether an atom is paramagnetic or diamagnetic based on its electronic configuration by…

Q: A gas mixture containing only O2 and N2. If the mole fraction of O2 is 0.37, and the total pressure…

A: 1) Given data is A gas mixture containing only O2 and N2 The mole fraction of O2 = 0.37 The total…

Q: Download Pinacolone IR.jpg (51.6 KB) %Transmittance 100 95 90 80 75 70 85 65 60 45 35 30 55 40 50…

A: The question is based on the concept of IR spectroscopy. we need to analyse and interpret the given…

Q: 2. Define chain initiating, chain propagating, and chain terminating reactions. Give one example of…

A: This question belong to reaction mechanism of organic compounds that is Radical reaction. Either…

Q: Provide the major organic product of the reaction shown below. Please provide reasoning and steps.…

A: Given reaction:-

Q: The value of Kw increases as temperature increases. Is the autoionization of water exothermic or…

A: The ionic product of water , Kw increases with increase in temperature. This is obviously because of…

Q: 6. Vanillin contains carbon, hydrogen and oxygen. Combustion of 30.4 mg of vanillin yielded 70.4 mg…

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Q: Oxalic acid, H₂C₂O4, reacts with sodium hydroxide in a neutralization reaction. What is the balanced…

A: Since, Balanced reaction means that both side number of atom present in equal number. Thus,  For…

Q: Consider the reaction below: A(aq) B(aq) 2.79 kJ A 1.000 M solution of A was heated at 62.0 °C for…

A: The relationship between the change in free energy (∆G) and the energy change at the standard state…

Q: Which one of the following gas has the highest density at the same T and P? Hint: at the same T and…

A: Please find your solution below : Density of a substance is defined as the mass of the substance per…

Q: Make a network using the following concepts: substance, compound substance, simple substance,…

A: To make a network using: substance, compound substance, simple substance, decomposition, chemical…

Q: 92. What are the major species present in the following mixtures of bases? a. 0.050 M NaOH and 0.050…

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Q: Which of the following is a property of molecular crystals? malleability sheen ductility

A: molecular crystals are a type of crystalline solid that are composed of individual molecules held…

Q: Why are the solutions all performed in the presence of HNO3 rather than pure water? Hint: consider…

A: The question is based on the concepts of solutions and salt hydrolysis.   we need to explain the…

Q: A sample containing calcium was analyzed by gravimetry, converting all calcium to calcium oxalate…

A: Given that the precipitate is calcium oxalate monohydrate.

Q: Draw the product of the reaction shown below. Ignore inorganic byproducts. I PBr3 ether OH

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Q: Draw the mechanisms for all products resulting from SN1 and SN2 reactions and indicate which one…

A: This question is based on Sn1 and Sn2 mechanism.

Q: buffer consists of 0.44 M NH3 and 0.25 M NH4CL (pKb of NH3 = 4.74). Calculate the pH after the…

A: Molarity is defined as number of mole of substance divide by volume of solution in liter

Q: (4) Radioactive decay follows first order kinetics. How manyμgof a3.42μgsample ofCo−60remain after…

A: The question is based on the concept of chemical kinetics.   we need to calculate quantity of sample…

Q: The number of nonbonding domains in the CO₂ molecule is: 01 2 3 4 5

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Q: A beaker with 130x10 mL of an acetic acid butter with a pH of 5.000 is sitting on a benchtop. The…

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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.