Calculate the water activity aW of a solution of 10 mass% of sucrose in 100g of water (Molecular mass = Molecular weight MW: MW water H2O = 18; MW saccharose C12H22O11 = 342)

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Q: The arrangement of ions, atoms or molecules in crystals are best determined by which instrumental…

A: The arrangement of ions, atoms or molecules in crystals are best determined by x-ray diffraction…

Q: Benzoic acid has a pKa = 4.20 at a pH of 6.20 the ratio [A-]/[HA] is what? O 1:100 1:50 1:10 1:1

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Q: Which of the molecules shown below would be expected to have the highest water solubility A CH3CH₂OH…

A: Water is a polar solvent and it can dissolve an ionic or polar covalent compound.

Q: i need help to rank each 5 compunds by relative basicity use 1 for the strongest base all the way 5…

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Q: How would you classify the structure below: A. strong base/strong nucleophile (SB/SN), B. strong…

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Q: The most suitable method of separation of 1:1 mixture of ortho and para-nitrophenols is (a)…

A: 1. (c): The o- and p-nitrophenols are separated by steam distillation since o-isomer is steam…

Q: Chemistry An unknown radioactive substance has a half-life of 3.20 hourshours . If 34.7 gg of the…

A: All natural and artificial radioactive decays follows first order kinetics The integrated rate…

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Q: Draw the structure of the compound whose spectroscopy data is provided. C6H12O 2.6 ppm, 1H, sextet…

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Q: An environmental chemist obtained a 200. mL sample of lake water believed to be contaminated with a…

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Q: if I were to separate Bi3+ and Co2+, can I do that by adding H2S? So that Bi3+ would precipitate?…

A: Bi3+ is the second group basic radical whereas Co2+ belong to the fourth group.  For the sepration…

Q: Draw the product of the following reaction: I. LIAIH s CH₂CH₂ Draw the steps required to accomplish…

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Q: QUESTION 7 Which one of the following statements is NOT true?   a. Electrons behave like both…

A: GIVEN:-   Which one of the following statements is NOT true?   a. Electrons behave like…

Q: 2. [A] = day of birth [B] = month of birth I was born December 8th, so for me [A] = 8 [B] = 12 Use…

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Q: List all possible values of the magnetic quantum number m, for a 1s electron. = 0,0.... X Ś ?

A: We are to write possible values of magnetic quantum number for 1s electron.

Q: 5) pH Calculations of Polyprotic Systems d. What is the pH of 0.1000 M Na3PO4? (Ka3=4.8x10-13)

A: Below attached file showing the details answer. All the best.

Q: (D) (E) СІ. CN ОН

A: D. Fridel craft acylation. Here electrophile is ethyl cation. N,N-dimethyl amino is electron…

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A: In the given question we have to do the elimination reaction in presence of base NaOMe to form more…

Q: What is the major product of the following reaction? CI NaOMe/MeOH A. B. C. D. NaCl + MeOH + ??????

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Q: Consider the following reaction at 25 °C: 3 Ni(s) + N₂(g) + 3 H₂O(g) → 3 NiO(s) + 2 NH3(g) If AG° =…

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Q: O al SN1

A: Answer: the mechanism is represented in the diagram is the SN2 reaction.becuase there is no…

Q: Study the following phase diagram of Substance X. 32- solid liquid 200 400 temperature (K) Use this…

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Q: A mixture is made by adding 20.42 g of substance A, 1.322 g of substance B, and 83.1 g of substance…

A: • The values provided in the question are:-       i) Mass of substance A = 20.42 g    ii) Mass of…

Q: In comparing these two reactions, which one would occur faster via the SÃ2 mechanism and why?…

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Q: Twenty sodium salicylate tablets labeled 325 mg were dispersed in sufficient water to make 200.0 ml.…

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Q: CI ar 1) xs NaNH,/NH3 2) H₂O ? CI Draw the major organic product(s) of the reaction. CI Edit Drawing

A: Here we are required to predict the product of the reaction

Q: A solution is prepared by adding 0.13 mole of Ni(NH3), Cl₂ to 0.50 L of 3.6 M NH3. Calculate [Ni…

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Q: The IUPAC name of the compound H- is (a) 5-formylhex-2-en-3-one (b) 5-methyl-4-oxohex-2-en-5-al (c)…

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Q: 3. Sketch a titration curve for the titration of 0.100 M NH3 (weak base) with 0.100 M HCI. Label the…

A: We have sketch the titration curve for titration of 0.100 M NH3 with 0.100M HCl.

Q: One fission reaction that takes place in nuclear reactors is Isotope or particle 235U 139 235U + n →…

A: The explanation is given below-

Q: 46) Answer the questions below about the compound pictured to the right: What is the IUPAC name? a)…

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Q: Classify the following alkyl halide as methyl, primary, secondary, or tertiary. Br OA methyl alkyl…

A: The type of halide is determined on the basis of carbon to which it is attached. The number of…

Q: Each week CapeChem, a manufacturer of fine chemicals, uses up 400. kg of Compound A and 1000. kg of…

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Q: Predict the products for the following reactions, indicate major and minor where applicable MgBr 1)…

A: Here we have to write the major products formed in the following sequence of reactions.

Q: Chemistry explain in detail the correct answer and why not the other ones. will rate :) 14. Which of…

A: 14. Limonene react with following reagents and produces the achiral compounds. Achiral compounds can…

Q: If the concentration of Cu 0.5-80 ppm What are the ranges for kg of Cu present per metric ton?

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Q: What structural feature is required to have an isotactic or syndiotactic carbon-based polymer?…

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Q: Draw the product (assign stereochemistry if applicable) in the box. Meo LINIP zj Bn

A: Note : Here we are generating enolate using LDA. Enolate is added to aldehyde gives syn…

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Q: Which among the given molecules can exhibit tautomerism? Ph Ph I II III (a) III only (c) Both I and…

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Q: 3. When the following redox equation is balanced with smallest whole number coefficients, the…

A: Balanced the redox reaction and determine the coefficient of I- under acidic condition ?

Q: Cu+ (aq) + Cu(s) K = 6.2 × 108 2+ Pb²+ (aq) + 2e¯ = Pb(s) K = 4.0 × 10-5 Fe³+ (aq) + 3e = Fe(s) K =…

A: Higher the value of reduction potential or equilibrium constant, higher is the tendency of the…

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A: Secondary alcohols undergo sn2 reaction with HI. 2-Iodopentane reacts with NaNO2 gives…

Q: t.cengagenow.com/ilrn/takeAssignment/takeCovalentActivity.do?locator assignment-take ★ [Review…

A: The pH of an aqueous solution at 25 °C was found to be 12.00We have to calculate - The pOH of the…

Q: DURING THE DETERMINATION OF THE CORRECTION COEFFICIENT OF THE TITRATED 0.1 M (c theoretical)…

A: From the given data we have  Theoretical concentration of the nitrite solution=0.1M Actual…

Q: What mass % of calcium is in calcium carbonate?

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Q: Prove that the statement is correct, give the solution and formula of the problem In a lab, a…

A: Given,  Theoretical yield = 12.3 grams  Experimental yield = 10.1 grams

Q: t M₂(SO4)3. Suppose the left half cell of a galvanic cell apparatus is filled with a 50.0 mM…

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Q: Complete its Octet. HH TI H-C-C-0- H-C-C-H H HA H B H H H C-H H-C-0-C-H ннс Н HD Which of these…

A: Compound A could function as both a hydrogen bond donor and acceptor.

Photochemistry

Photochemistry is the part of chemistry that studies the various mechanisms of reactions that are triggered by the presence of light energy. It also helps to study the changes involved in a molecule that can undergo the absorption of radiation.