1. Is the sign of AHxn for an exothermic reaction positive or negative? Why?

Q: Be sure to answer all parts. Enter your answer in scientific notation. Calculate Ke for the…

A: Step 1:-Given the equilibrium equation: 2SO₂(g) + O₂(g) ⇌ 2SO₃(g)We have Kp = 2.5 × 1010 at T = 4.5…

Q: Don't use hand raiting answer please and step by step answer please

A: Step 1: Step 2: Step 3: Step 4:

Q: involve titrating a 100.0 mL sample of 0.18 M HClO4 is titrated with 0.27 M NaOH 49) Determine…

A: We can determine the pH of the solution after adding 66.67 mL of NaOH by following these steps:1.…

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A: Diphenylamine is an organic molecule with the chemical formula (C6H5)2NH. Here's a breakdown of its…

Q: Be sure to answer all parts. Determine Angas for each of the following reactions: (a) MgCO3(s) →…

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Q: Select the major product of the elimination reaction. ΟΙ 5- III IV O no rxn water ? = OH IV

A: Step 1: Step 2: Step 3: Step 4:

Q: A 0.075 M solution of a base has a pH of 11.40.  The base is very weak ( Kb<1 x10^-8 ). The base…

A: Step 1: Step 2: Step 3: Step 4:

Q: Please solve and show all work.

A: The reaction will be like -

Q: Predict the major product of the following reaction and draw the resonance structure(s) responsible…

A: The objective of the question is to predict the major product when nitric acid (HNO3) reacts with…

Q: Enter your answer in the provided box. Kp = 6.5 × 104 at 308 K for the following reaction: 2 NO (g)…

A: To solve for kp, refer to this equation: aA + aB ⇌ cC  Kp​=(Pa​)a(Pb​)b(Pc​)c​…

Q: Propose an efficient synthesis for the following transformations using ONLY malonic ester synthesis.

A: Step 1: Step 2: Step 3: Step 4:

Q: H+ (aq) + HCO2 (aq) -- H2CO (aq) + H2O(l) What is the equilibrium expression.

A: Step 1: The equilibrium expression represents the ratio of the concentrations of the products to the…

Q: Curved arrows are used to illustrate the flow of electrons. Using the provided starting and product…

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Q: 0.5 eq. LDA 1) 0.5 eq. LDA 2) H₂O (Mild acid) 1) 1.0 eq. NaOEt 2) H₂O(Mild acid)

A: The objective of this question is to draw the product obtained when ester reacts with LDA and NaOEt.

Q: Draw the possible products of this epoxide ring-opening reaction. Use a dash or wedge bond to…

A: Step 1: Step 2:

Q: Topics] [References] Use the References to access important values if needed for this question. A…

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Q: ← Uber Eats 11 Min Problem 13 of 27 Submit Draw the major product of this reaction. Ignore inorganic…

A: the major product formed will be given below:

Q: Which of the compounds shown below can undergo an SN2 reaction? A OTS Br 1) Compound C 2) Compounds…

A: SN2 substitution reaction involves attack of nucleophile on carbon atom bearing leaving group from…

Q: OH H H Na2Cr2O7, H, H₂O NaBH4, CH3OH + LiAlH4, H3O

A: Step 1: Step 2: Step 3: Step 4:

Q: Draw the major product of this reaction. Ignore inorganic byproducts. 'N' 1. CH2=CHCH2Br THF, reflux…

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Q: A compound has a strong absorption at 8.37x1015 Hz. What is the Amax( in Å (angstroms)) for this…

A: In the given question, we have to convert the given frequency (8.37 x 1015 Hz) into wavelength in…

Q: write a mechanism for the following ееее ΟΗ HO он оно H3O+, H₂O H3O+, H₂O Он ὋΗ ὋΗ OH H3O+, H₂O Δ

A: Step 1: Step 2: Step 3: Step 4:

Q: Identify and provide an explanation distinguishing a qualitative and quantitative chemical analysis.…

A: Step 1:Qualitative :- Qualitative chemical analysis focuses on identifying the presence or absence…

Q: Identify ALL products formed in this reaction. Bonus: How you classify this reaction mechanism?…

A: Step 1: Step 2: Step 3: Step 4:

Q: 2

A: a)   Br elimination of 2-bromo-2-methyl butane with sodium ethoxide follows Zaitsev's rule giving…

Q: Steam reforming of methane (CH4) produces "synthesis gas," a mixture of carbon monoxide gas and…

A:

Q: 3. Spheres are packed more efficiently in Box B, because the spheres of different layers fit into…

A: The objective of the question is to determine the number of spheres that can be placed in the second…

Q: -OH + O о OH NaH NaH gives H: which is a base only (not an Nu)

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Q: please answer in text form and in proper format answer with must explanation , calculation for each…

A: Using the Slater's rule for the effective nuclear charge (Zeff) of the electrons of Nitrogen, we…

Q: 2. Predict the products of the following reactions: a) AICI 3 AICI 3 b) CI AICI 3 c) AICI 3 3. Show…

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A: In case of any query please feel free to ask.

Q: Calculate Boyle Temperature for hydrogen sulfide Select one: a. 125.9°C b. 1259°C C. 125.9K d. 1259…

A: Boyle Temperature is the temperature at which a real gas start to exhibit ideality (behaving as…

Q: Name this with the IUPAC

A: In case of any doubt please feel free to ask.

Q: None

A: Answer;A. B.

Q: Select the best answer for the product of the reaction below. a.) d.) of CO₂E! H₂SO, H₂O, A CO,E1 of…

A: Step 1: Step 2: Step 3: Step 4:

Q: Upp solve all

A: 1. To determine the relative uncertainty of the solution, we need to calculate the relative…

Q: The three standards have different retention times on the Mini-GC. What physical characteristics of…

A: The different standards will have varying retention times on the Mini-GC. There are two key…

Q: Predict the major product of the following reaction below. ام HNO3 H₂SO4

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

Q: give me a synthetic route for the following

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Q: Shown below are six normal mode vibrations of the formaldehyde molecule. The arrowsshow the…

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Q: 3

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Q: Tc-99m sulfur colloid is to be reconstituted with 75 mCi Tc-99m pertechnetate, to be drawn from an…

A: The objective of the question is to find the volume of eluate and normal saline that should be added…

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A: The pentapeptide in question is MGHFD, which stands for:- M: Methionine- G: Glycine- H: Histidine-…

Q: Explain the methods of preparations of the following paints supported with video film from the…

A: The objective of the question is to find the method of preparation of decorative paints with…

Q: None

A: Shown below is an estimation of the 1H NMR of the given compound.In 1H NMR, deshielded protons are…

Q: please compare and contrast the hybridization of ethylene and butadiene: butadiene ethylene SP…

A: In summary,Both ethylene and butadiene have sp² hybridization, unhybridized p orbitals, and pi bonds…

Q: please answer in text form and in proper format answer with must explanation , calculation for each…

A: According to the question: The concentration of HCl = 0.0100MThe initial concentration of H2SO4 =…

Q: 2. Propose and draw a reasonable mechanism for the following chemical transformation: O CH3OH, HCI,…

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Q: dont provide handwriting solution ...

A: The objective of the question is to estimate the pH value for the given form of Arginine amino acid.…