Select the app tic construction method is used to compensate for yearly variations in temper H

Q: Based on the molecular orbital model, choose all of the following molecules or ions that are stable…

A: Choose all of the following molecules or ions that are stable ?

Q: 2) Increasing yield in cross Aldol condensation p-methyl benzaldehyde, p-methoxy benzaldehyde,…

A: Aldol condensation is the condensation of two distinct aldehydes or ketones, at least one of which…

Q: Which of the following is a strong base? 1) NaBr 2) NaCN 3) NaOH 4) H2O

A: Acid can be defined as a species that give hydrogen ions in an aqueous solution.

Q: Multiple Choice Each of the numbered items or incomplete statements is followed by answers or by…

A: #24: A USP (United State Pharmacopeia) grade is accepted in case of food, drug, and medicinal…

Q: At a certain temperature the rate of this reaction is second order in SO3 with a rate constant of…

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Q: Which compound would undergo carbocation rearrangement during an Syl reaction? Br Br A B Br C H Br D

A: Which compound would undergo carbocation rearrangement during an SN1 reaction? = B would undergo…

Q: How many chiral centers are in this compound? A) 3 B) 4 C) 5 D) 6

A: Chiral carbon centers Carbon atoms that are attached to four different substituents.

Q: 125 g of water are mixed with 10.5 g of KBr. The initial temperature was 24.2 °C and the final…

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Q: %. The percent by mass of chlorine in PNC12 is (Enter your answer to four significant figures.)…

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Q: NaOH, ethanol heat

A: Organic reactions are those in which organic reactant react to form organic products.

Q: Write the concentration equilibrium constant expression for this reaction. 3+ 3 1₂(s)+2 Cr³+…

A: The expression of concentration equilibrium constant is given below

Q: 54.Primary standard used in the standardization of sulfuric acid a. Benzoic acid C. Sodium carbonate…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: a dosage requires a patient to recieve 64.8mg of medicine for every 8kg of body weight for every 4…

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Q: Q2) Determine if each of the reactions shown are oxidations, reductions or neither. Ja ly-ly

A: Oxidation means gain of oxygen and removal of hydrogen.

Q: Q2) Determine if each of the reactions shown are oxidations, reductions or neither. OH OH NH ·ly

A: In organic chemistry oxidation is the process in which number of C and electronegative atom…

Q: A chemist prepares a solution of potassium iodide (KI) by measuring out 149. µmol of potassium…

A: Given, moles of potassium iodide (KI) = 149. µmol Note: 1000 mL = 1 L Volume of the volumetric flask…

Q: synonyms for phosphoric acid

A: synonyms for a compound are the different name which are commonly used by chemist.

Q: On a 0.109-mm-diameter column with a 0.813-μm-thick stationary phase, an unretained solute passes…

A: Phase ratio is ratio between volume of the column and thickness of the film coated inside wall of…

Q: Can anyone show me the solution? 0.45 l =    dl 1dl =    l 740 cc =  l 33kg =     g 1000 ul =…

A: Note:  1 l = 10 dl = 1000 cc 1 kg = 1000 g 1 ml = 1000 ul 1 cc = 1 ml 100 cc = 1 dl

Q: ltiple Choice ch of the numbered items or incomplete statements is followed by answers or by…

A: Indicators on addition to acidic or basic solution result in change in color of that solution.

Q: Identification Complete each statement. Write your answer at the end of each question. 92. To…

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Q: 98. It is the determination of the normality or molarity of a solution accomplished by the use of…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: 4. Answer the following questions based in the scheme below: (i) Determine the principle involved in…

A: Here we have to synthesize the following given compound from the given starting material through…

Q: U 18 X-3. :0:

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Q: Each of the following sets of quantum numbers is supposed to specify an orbital. Which of the…

A: Which of the following set of quantum number contain error ?

Q: A group of students performed a series of titrations in the laboratory and found that their unknown…

A: 1. Given that, the exact value of concentration is Cexact = 15.47 M. The calculated value of…

Q: What is the configuration of the following chiral center? ОН

A: What is the configuration of the following chiral center?

Q: 45. The process of removing an appropriate number of items from a population in order to make…

A: Please check picture for solution

Q: What is the product? OH TSCI, pyridine NaBr SN2 A. R-2-bromobutane B. S-2-bromobutane C. Racemic…

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Q: For the reaction N₂O4 (g) 2 NO₂ (g), determine the equilibrium constant when only an initial amount…

A: N2O4(g)↔2NO2(g) for the given equilibrium reaction K = [NO2]2/[ N2O4] where K =…

Q: Under certain conditions the rate of this reaction is zero order in ammonia with a rate constant of…

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Q: A solution has a hydroxide-ion concentration of 0.043 M. What is its pH?

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Q: 106. The following procedure calls for the assay of Sodium bicarbonate tablets 1) Triturate 10 pics…

A: In acid base titrations neutralization reaction occurs. Here sodium bicarbonate and sulphuric acid…

Q: Use Bronted-Lowry acid base theory to write balanced net ionic equation for the following reaction.…

A:

Q: Multiple Choice Each of the numbered items or incomplete statements is followed by answers or by…

A: Titration is a analytical technique in which we find out the concentration of unknown from the…

Q: Predict the most likely mode of decay for mercury-192. Write the balanced nuclear equation for the…

A: Radioactivity is a nuclear process where a heavy nucleus undergoes spontaneous disintegration and…

Q: please skip this if you have already answered. I will only upvote if it is complete and correct.…

A: We have asked to complete each of the given statements correctly, And the correct statements are…

Q: Which is an energy diagram for a concerted reaction (SN2 and E2)? A B C D

A: Elimination reactions can be defined as the chemical reaction that involve release of group of atoms…

Q: Multiple Choice Each of the numbered items or incomplete statements is followed by answers or by…

A: Answers for questions number 90 and 91 given below with explanation.

Q: (iv) 1,5-diCO disconnection on: B

A:

Q: Below you will find five reaction products (labeled product 1, product 2, etc.), but you will only…

A: Markonikov addition is addition of OH at more substituted carbon and antimarkonikov is addition of…

Q: Identification Complete each statement. Write your answer at the end of each question. 92. To…

A: #92: Molecular weight is the mass of 1 mole of a substance.

Q: combustion of octane (in gasoline) occurs according to the reaction 2 CgH₁8 + 25 0₂ 16 CO₂ +18 H₂O.…

A: Given-> ∆Hf(octane) = -268.8 KJ/mole ∆Hf(CO2) = -394KJ/mole ∆Hf(H2O) = -286 KJ/mole

Q: Multiple Choice Each of the numbered items or incomplete statements is followed by answers or by…

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Q: will

A: Question 63: The Quality coordinating officer is responsible for maintaining and storing records…

Q: 20 grams of ice initially at -15◦C is placed on top of 100 grams of 350◦C solid gold in a thermally…

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Q: 48.A substance that has a high degree of purity and is used in direct standardization purposes: a.…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Consider the following chemical equilibrium: CaCO3 (s) CaO (s) + CO₂ (g) Now write an equation below…

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Q: 1. HO- 0 CH3OH H₂SO4 HỌ, H2O2, HO 2. BH3/THE 3.

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Multiple Choice Each of the numbered items or incomplete statements is followed by answers or by…

A: The correct answers are given below