How many grams of salicylic acid should be added to 75 g of polyethylene glycol ointment to prepare an ointment containing 6% w/w of salicylic acid?

Q: CI CI OH Ag₂O

A: Given reaction is an example of an oxidation reaction.In this reaction Ag2O acts as an oxidising…

Q: A mixture of solid calcium oxide, CaO, and solid barium oxide, BaO, weighing 5.107 g is added to…

A: The objective of the question is to-a) Calculate the moles of carbon dioxide consumed by the…

Q: 210pb has a half-life of 22.3 years and decays to produce 206Hg. If you start with 7.52g of 210Pb,…

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Q: Consider the following SN 2 reaction: Part 1 of 3 If the substrate was changed to: The rate would…

A: SN2 reactions are bimolecular substitution reactions. It is single step reaction which occurs by…

Q: 5. How many orbitals are in the n=3 electron shell of an atom?

A: Shell is n=3We have to calculate the number of orbitals present.

Q: 19. For a particle in a box, show that the solutions satisfy the Heisenberg Uncertainty Principle…

A: The question concerns a particle in a box, specifically focusing on the n=1 solution, which…

Q: 20. The density of LPG gas under standard conditions is 2.34 kg/m³. What percentage of propane and…

A: The objective of this question is to determine the percentage composition of these components in the…

Q: 7. When a monomer M was polymerized in solution with peroxide initiator P at two temperatures, using…

A: The objective of the question is to calculate  the activation energy for the decomposition of the…

Q: a. How many grams of NiSO4 6H₂O are needed to prepare 2.00x10² mL of a 3.5x10² M NISO solution? b.…

A: The volume of the NiSO4.6H2O solution, V = The molarity of the NiSO4.6H2O solution,M = The mass of…

Q: stion 7 The compound undergoes E1 reaction with a base (CH3OH). Draw the major product and provide…

A: The given reaction takes place through E1-elimination in which the first step is the formation of a…

Q: a. b. Br Br I + OH- + Br OH + Br

A: An arrow always depicts from a region of high electron density to low electron density ; that is…

Q: Summary Answer the following questions. 5. (a) If the current CO₂ budget is 51 ppm, when does this…

A: The objective of this question is to analyze how changes in these parameters affect the time needed…

Q: Foos (1997) determined a first-order rate constant for the removal of Fe2+ from a stream (Case Study…

A: The objective of this question is to determine the first-order rate constant for the removal of Fe2+…

Q: your h How many vers. How many molecules are in 2.00 moles of H₂O? linde H₂0 2.00x.

A: moles of H2O = 2.00 moles1 mol = 6.0221023 moleculesA molecule is a group of two or more than two…

Q: 5.) Which of the analine "units" in the Structure below would have the lowest pka which would have…

A: There seems to be a slight confusion in your statement. Let me clarify:Basicity is indeed related to…

Q: Question Enough of a monoprotic acid is dissolved in water to produce a 0.0100 M solution. The pH of…

A: We have to calculate the acid dissociation constant, Ka for the given monoprotic…

Q: Salt bridge A concentration cell similar to the one shown is composed of two Cu electrodes and…

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Q: Question 1 For the following acids, rank them from most to least acidic and give the reasons to…

A: Answer:-This question is answered by using the simple concept of determination of acidic strength of…

Q: Consider the galvanic cell based on the following half-reactions: Mn²+ + 2e → Mn €° = -1.18 V Cd²+ +…

A: Given :Reaction 1 : Recation 2 : Objective :(a) Calculate overall cell reaction and standard cell…

Q: What would be the molarity of a solution prepared by adding 36.3 grams of CaC12 (MM = 110.98 g/mol)…

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Q: Cr³+ concentration? 3Ag+ (aq) + Cr(s) → 3Ag(s) + Cr³+ (aq) red Ag+ (aq) + e → Ag(s) = 0.799 V Cr3+…

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Q: Q3. Q4. :S: CI Br H₂O dilute OH-

A: Question 3:The given question is an example of neighbouring group participation reaction. The sulfur…

Q: 0.4 OSM 0.3 OSM True or false about the diagram where a cell is placed into the 0.4 osM solution:…

A: The objective of the question is to identify whether the given statement is true or false.

Q: What is the buffer capacity of a 206.4mL solution made from 0.484M nitrous acid when titrated with…

A: In the given question we have to calculate the buffer capacity.The buffer capacity is the number of…

Q: 19. Which of the following reactions produces a new stereocenter with unequal amounts of R and S…

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Q: The combustion of both ammonia, NH3, and hydrazine, N₂H4, in oxygen gives nitrogen and water only.…

A: Nitrogen, the next nonmetal, has 5 electrons in the valence shell, so it needs to combine with 3…

Q: Draw the complete mechanism for the reaction between the alkyl halide and LiAIH, below. AIH + Add…

A: The given compound carries an alkane and halide group, so it is called alkyl halide.The reagent…

Q: (b) This carbon-carbon cross coupling is working effectively if R₂ is aryl group (Ph-X), but this…

A: The success of carbon-carbon cross-coupling reactions, particularly those involving C(sp^3)-C(sp^2)…

Q: Now imagine a straight chain of 2000 carbon atoms. Assume that the orbital extends over the entire…

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Q: Which answer below correctly identifies the expected major products of HCI addition to the alkene…

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Q: Describe the structures of the following borate glasses. How many NBO are present for each glass?…

A: The objective of this question is to show the boronated glasses and their structures. Borate glasses…

Q: Write the systematic name of each organic molecule: structure K CI name 0 0 0 X

A: Identify the parent ring based on the carbon attached continuously which is maximum in…

Q: pH Titration Curve for titrating 64.4 mL of Nitric Acid with 0.798 mol/L Aqueous Potassium Hydroxide…

A: Step 1: To calculate the number of moles of potassium hydroxide used, we can use the equation:moles…

Q: Question 25 Using the given data above, determine the following information: What is the…

A: As per Beer-Lambert's law:

Q: In the neutralization reaction, if 30 ml of 1.5M HCI reacted with 25 ml of 2M NaOH, the final…

A: Given,The volume of 1.5 M HCl= 30 mLThe volume of 2 M NaOH= 25 mLThe increase in temperature= 7.8…

Q: 16. Explain why, when an iron nail is placed in hydrochloric acid, a reaction occurs, but when a…

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Q: Assume, in this context, that the methoxy group is sterically smaller than the methyl group, an…

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Q: C NMR Spectrum (CDCI, 25MHz, ¹ H decoupled, solvent signals removed for clarity) Not sure how to…

A: 13C-NMR spectroscopy is mainly used for the identification of type and nature of carbon present in…

Q: 1. Write the mechanism for this reaction and draw the most probable product for the Williamson ether…

A: We have given the organic reaction and we have to find out the major product and identify the most…

Q: A student determines the value of the equilibrium constant to be 3.65x10-18 for the following…

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Q: H2. In what type of reaction is water always a product? O decomposition O oxidation O synthesis O…

A: Any chemical reaction takes place based on certain parameters. Based on these parameters, the type…

Q: 3. In the school laboratory, oxygen can be collected by water displacement from the thermal and…

A: The mass of potassium chlorate = 150 gThe moles of oxygen obtained= ?

Q: Which of the following species can be characterized as amphiprotic? O HPO 2 O H₂O O HCO3 O all of…

A: A species that has the potential to act both as an acid and as a base according to Brønsted-Lowry…

Q: -45. Calculate the number of sets of magnetic quantum numbers (m) and spin quantum numbers (m) for…

A: In atomic Chemsitry, term symbols are used to represent the electronic states of atoms. These…

Q: The rate of a certain reaction is given by the following rate law: rate=k[N₂][H₂] Use this…

A: Rate law expression for the following reaction,rate = k[N2][H2]2rate = 6.0 × 103 M/s[N2] = 0.92…

Q: Outline a synthesis for the following compound from the indicated starting material and any other…

A: In the given question we have to write the synthesis of the given molecule from the given starting…

Q: Draw the complete mechanism for this reaction. Include the stereochemistry at the two chirality…

A: An arrow always depicts from a region of high electron density to low electron density ; that is…

Q: You are studying a biochemical reaction in which an enzyme catalyzes the conversion of reactant A…

A: The equilibrium constant of a reaction is the ratio of concentration of products raised to their…

Q: 18. Draw a reasonable mechanism and product(s) of the following E1 reaction. CH3NH₂ El

A: The reaction in which the loss of two atoms forms a double bond is an elimination reaction. In this…

Q: a) c) -OH - ? ? b) d) OH

A: Tautomerism is a process where a single chemical compound exists in two or more interconvertible…

Types of Polymers on the basis of Method of Preparation