Explain the similarities and differences between physical and chemical reactions with regards to their enthalpy.   I need answer expert solution Need answer step by step

Q: The first step in HNO3 production is the catalyzed oxidation of NH3. Without a catalyst, a different…

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Q: why is it wrong?

A: Step 1: Step 2:Mechanism Step 3: Step 4:

Q: 4th attempt See Periodic Table See Hint How much lead(II) chloride will precipitate if 185 mL of…

A: The objective of this question is to calculate the amount of lead(II) chloride that will precipitate…

Q: Starting from cyclohexanone, show how to make the two given products, include conditions to use in…

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Q: is radical halogenation reactions the same as SN2's?

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Q: hello, can you solve this question with using chemical kinetics ?

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Q: Question 2 A radioactive sample at a lab contains a mixture of 223 Ra and 47 Ca. There are initially…

A: Step 1:Radium-223 (223Ra) has a half-life of 11.4 days. Calcium-47 (47Ca) does not decay…

Q: When the Pb2+ concentration is 5.00\times 10-4 M, the observed cell potential at 298K for an…

A: Step 1:Introduction to data :Given ,Concentration of Pb2+= 5.00 X 10-4Objective :Determine the…

Q: Draw the mechanism of the transformation from 3 to 4 .

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Q: I need help with part b

A: 2. After adding 15 mL of KOH:  At this point, 15 mL of 0.100 M KOH reacts with the barbituric acid.…

Q: I need answer expert solutions and step by step

A: To prove the relation ∣ψ(t)⟩I​=UI​(t,ti​)∣ψ(ti​)⟩I​, we must understand the context of the symbols…

Q: Complete the following reactions by drawing the major product(s) for each of the following…

A: The objective of the question is to predict the major product of the given chemical reaction. The…

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Q: Please correct answer and don't use hend raiting

A: Here's a breakdown of the reaction between a primary alcohol and potassium permanganate to form a…

Q: Based on the following structure, answer the following questions: S=Se=S (a) Draw the molecular…

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Q: A student performed titration to determine the concentration of citric acid with potassium…

A: The objective of this question is to determine the moles of citric acid in the lemon juice sample…

Q: 12. Which bonding pattern is NOT typical of carbon atoms in organic compounds? A. B. C. D. E. 13.…

A: Step 1: Step 2: Step 3: Step 4:

Q: Starting with diethyl malonate, and using any other reagents of your choice, show how you would…

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Q: An analytical chemist is titrating 173.3 mL of a 0.1600M solution of diethylamine ((C₂H)2NH) with a…

A: The objective of this question is to calculate the pH of the base solution after a certain volume of…

Q: For the questions of Exp. 13, calculate how many volume (mL) of 1.00 x 10-2 M, Ba(OH) 2 (aq) would…

A: Given:Concentration of Ba(OH)2  in molarity = 1.00 x 10-2 M =1.00 x 10-2 mol/L        ( 3…

Q: Give the major organic product(s) of the following reaction. NaOCH2CH3 NaOH, H₂O H+ ? CH₂CH₂OH heat…

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Q: i need help filling out the following SN2 reactions with appopiate reactants, products, or reagents,

A: Step 1:(a)  SN2 (Bimolecular substitution reaction):In this type of reaction mechanism, the…

Q: 6. Propose a reaction mechanism for the following reaction cat. TBADT cat. PhSH D₂O

A: Deuteration of aldehyde is useful in optimizing various properties of drugs.Labeling using deuterium…

Q: 5. Identify C=O overtone in acetone spectrum which corresponds to the transition from ground level,…

A: The overtone band observed in the IR spectrum is one such transition with ∆v=2, from v=0 to v=2…

Q: H3Cm Br cyclohexane I CH3

A: The objective of the question is to find out the both conformer of the given cyclohexane molecule…

Q: Cp = 2.07+ T-673 1480 kJ kgK T-673 kJ Cy=1.6085+ 1480 kgK The specific heat of superheated water…

A: Given Data:The specific heat of water vapor at constant pressure is, .The specific heat of water at…

Q: 4. Write the Lewis Dot formulas for Halon 1211 and chlorine gas. List a used for each material

A: Step 1:Halon 1211 us also called Bromochlorodifluoromethane (CBrClF2). We make its lewis structure…

Q: Does resolution of the paper chromatography method can be great enough for complete separation of…

A: Step 1: Paper chromatography is a widely used analytical method for separating and identifying…

Q: How many sites of diversity are there in this combinatorial library? NH 2 6 4 3 HN NH2

A: Step 1To determine number site of diversity , we would check the positions on which different atoms…

Q: None

A: The reaction needed to know for this problem is the Wittig reactionIn this chemical reaction, an…

Q: Please help with the last boxes of "identity of metal ion"

A: After running through TLC, two spots were observed. Therefore, the unknown sample is composed of 2…

Q: Please give the answer fast

A: The objective of the question is to identify the high energy molecule produced and the enzyme that…

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A: Reaction: Answer:

Q: Draw all secondary resonance structures for benzaldehyde. a. Is the aldehyde group electron donating…

A: Approach to solving the question: Detailed explanation:Since -CHO is an EWG, it decreases the…

Q: 19.73 Propose an efficient synthesis for each of the following transformations: (a) 0-0 (b) (c) Br -

A: Step 1:a) The product is synthesized from the starting material by using the two-step reaction…

Q: I need your solution...

A: The objective of the question is to calculate the equilibrium molarity of aqueous Al3+ ion when…

Q: 4. Using the Woodward-Fieser rules estimate the expected max for the following compound: 5. By…

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Q: Undecanal is commercially available, but 6-methyl-1-bromoheptane is not. Propose two methods for the…

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Q: I need expert Drow the mechanism answer solutions

A: Step 1: Explanation: Carbonyl compounds react with primary amines to give us imines.Carbonyl…

Q: What is shown below is an interesting way of making lactone B from lactone A. The reaction takes…

A: Step 1: Step 2: Step 3: Step 4:

Q: The structure of the amino acid tyrosine is shown below in its completely protonated form. PK 16 OH…

A: The question is asking about the structure of the amino acid tyrosine in its completely protonated…

Q: The structure of the amino acid tyrosine is shown below in its completely protonated form. PK 16 OH…

A: The question is asking for the structure of the amino acid tyrosine in its completely protonated…

Q: None

A: a) This molecule has two functional groups, the C=O i.e. ketone and the methyl CH3 group.b) This…

Q: The equilibrium constant, Kp, for the following reaction is 9.52x102 at 350 K: CH4(g) +…

A: The objective of the question is to calculate the equilibrium partial pressures of all species…

Q: What resonance structure of the intermediate of an EAS reaction directs the incoming electrophile…

A: Resonance is a concept that mainly describes the delocalization of electrons within molecules that…

Q: Give the major organic product(s) 4. CH3 HBr CH3

A: The objective of the question is to determine the major organic product(s) when CH3 (Methane) is…

Q: Predict the products of the following reactions. CH3 CH3 CH CH2 -NH2 -CH2 + H₂O CH3 + H₂O CH2 N CH3…

A: Items 1 and 2: Amines have a lone electron pair on their nitrogen atoms and can accept a proton from…

Q: G Decide whether each of the molecules in the table below is stable, in the exact form in which it…

A: Step 1: Step 2: Step 3: Step 4:

Q: At a particular temperature, K = 7.3 x 10-6 for the following balanced reaction: 2N2O3 (9) + O2(g) →…

A: The objective of the question is to find the equilibrium concentrations of all gases in the given…

Q: I need answer expert solutions please

A: Step 1:This can be solved using the Graham's law of effusion. rate of effusion A/rate of effusion B=…