(b) The standard enthalpy change for the following reaction is -697 kJ at 298 K.2 Zn(s) + O2(g)2 ZnO(s)What is the standard heat of formation of ZnO(s)

Q: Does this alkene exist as pairs of cis-trans isomers? (BrCH₂)CH=CHCH3 Yes No If yes, draw the cis…

A: Given that, the structure of the alkene is:

Q: H Cl₂, CH3CH₂OH

A: We have to draw the major product of the given reaction.

Q: Question 5 Write a complete set of resonance forms for each of the following:

A: When the Lewis structure is not able to describe the bonding, resonance structures are used.…

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A: -> Carbonyl compounds (aldehydes and ketones) have electrophilic character where it can give…

Q: 4. What product is expected from this reaction? (A) (C) میں N. OH NH₂ NHNH2 NHANH (B) (D) NH NH₂ NH₂…

A:

Q: An aqueous solution is prepared to be 0.408 M in sodium formate and 0.291 M in acetic acid. (1) Is…

A: The objective of the question is to determine whether the given solution is a buffer solution, to…

Q: PQ-20. This type of reaction, typical of carboxylic acids, esters, acid halides, anhydrides and…

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

Q: Which of the followings is the volume of a metal cylinder with 40 mm for diameter, 3.0 cm for…

A: The objective of the question is to calculate the volume of a metal cylinder with a given diameter…

Q: Question 5 The equilibrium constant (K) of the reaction is 9.10: If at equilibrium, [H₂] = 0.300 M…

A: 5)a.(N2)=0.1628Mb.(NH3)=0.0845M1)option c.2)option A3) all are correct except dExplanation:

Q: How would you use IR and ¹H-NMR spectroscopy to distinguish between these two isomeric compounds?…

A: In the given question we have to differentiate between two isomers using IR and NMR spectrum. The IR…

Q: 1. Compound 1 is one isomer of 1,3-dicholoro-2,4,6-triisopropylcyclohexane. a) Draw both chair…

A: Groups at axial position due to 1,3-diaxial interaction decrease the stability of cyclohexane…

Q: Please don't provide handwritten solution ....

A: Therefore, the condensed structure of an isomer of the molecule is (CH=CHOH)2Explanation:

Q: Question 2. The reduction of 5-dehydroshikimate to shikimate is achieved by a dehydrogenase enzyme…

A: The objective of the question is to understand the reduction process of 5-dehydroshikimate to…

Q: Which series of reactions would carry out the following transformation? OTS ? View Available Hint(s)…

A: Find out suitable reagent for conversion of Amine

Q: 1) CH ₂ H₂C Mg Br 2) Acid workup I THF HO CH, CH,

A: We have given the organic reaction and we have to find out the mechanism of the reaction.

Q: Draw the products of each step of this reaction sequence. Ignore inorganic byproducts. HN Draw Final…

A: Amine reacts with carbonyl compounds like cyclohexanone in acidic medium and forms enamine as a…

Q: QUESTION 8 A student prepared benzoic acid using the method described in the procedure using 4.05 g…

A: The objective of the question is to calculate the molar equivalence of hydrogen ions added to the…

Q: 2. Which of the structures is the intermediate for the following reaction? CI O 1) NaNH2, NH3 (1) 2)…

A: We have to choose the correct option.

Q: For each pair of esters below specify which undergoes basic hydrolysis faster. CO₂CH3 Ester a: CI…

A:

Q: CO₂ and 42.52 g of H₂O. The molar mass of the compound is 120.104 g/mol. *Each part of this problem…

A: We are givenMass of sample= 70.86g Mass of carbon dioxide: 103.9 g Mass of water: 42.52 g We have to…

Q: Calculate the temperature change (in \deg C) when 100J of heat energy is added to 20 grams of iron,…

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Q: H3C О ОН LiALH4 H₂O

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

Q: In a 15-cm. evaporating dish is placed 15.4 g. (0.10 mole) of finely powdered biphenyl (Note 1). The…

A: Let me know in comments section if you want to ask any specific question regarding this. I will…

Q: The compound 3,6-diethyl-6-methyl-3-decanethiol is a chiral molecule with more than one chirality…

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Q: Which of the following would indicate the strongest intermolecular forces in a solic a low melting…

A: To solve this problem we have to know about effect of intermolecular forces in solids.

Q: mw-149.89 g/mol 2.52g 35ml Naz Naoc Salicylamide MW=137.136 g/mol Used: 2.001g I 0 41 WH₂ Lott…

A: The objective is to determine the limiting reagent and theoretical yield.Given:Salicylamide…

Q: From the table of available reagents select the one(s) you would use to convert butanoic acid to…

A: The question is based on the concept of organic synthesis.We need to synthesize the product using…

Q: The rate constant of a reaction is 2.80 × 10 -5 J mol answer to 2 significant figures. Note:…

A: The activation energy is:  1.75×105J/mol Or it can be written as :  174635.80J/molExplanation:

Q: Question: Using any additional reagent or carbon source, propose an efficient synthesis for the…

A: Friedel-crafts acylation followed by bromination.

Q: Provide the major organic product of the following reaction. CH3 + CN A

A: This is an example of Diels-alder reaction. In this a a conjugated diene undergoes…

Q: OH a. Will this compound be more soluble in water or an organic solvent (hexanes)? Explain your…

A: The objective of the question is to predict the solubility of given compound.

Q: Draw the product of the reaction. 2 equiv. H* OH Select Draw Templates More

A:

Q: 0 OH де Et3N

A:

Q: Consider the reaction when aqueous solutions of ammonium sulfate and barium iodide are combined. The…

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Q: H₂C=CH-CH3 + Br₂ H₂C=CH-CH₂Br + HBr

A: There are initiation, propagation, termination steps present. Initiation step involves the homolytic…

Q: Can you explain the concept? And the steps to take to find the answer

A: Answer: Equilibrium concentration of H2  = 0.408 M  (rounded off to three significant figures)…

Q: H CI prs OH Et3N H Draw the molecule on the canvas by choosing buttons from the Tools (for bonds and…

A: The objective is to determine the product formed by the given reaction. Acetyl chloride on reaction…

Q: HI H2O

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

Q: Write a net ionic equation for the overall reaction that occurs when aqueous solutions of potassium…

A: The objective of this question is to write the net ionic equation for the reaction between potassium…

Q: Identify the expected major products of the following intramolecular Diels-Alder reaction. CH₂O CH3O…

A: Given that, the reaction is:

Q: A sample of gas has a volume of 2.50 L at 781 kPa and 75.0 °C. What is the pressure (in atm) of the…

A: The objective of this question is to find the pressure of a gas sample after it expands and cools,…

Q: sodium carbonate (aq) + hydrochloric acid (aq) Balanced Formula Equation:   Complete Ionic…

A: The objective of the question is to write the balanced formula equation, complete ionic equation,…

Q: Give answer to all parts otherwise i will give you downward

A: All parts are solved.Explanation:

Q: Consider the reaction. A(aq) 2 B(aq) Kc = 9.27 x 10-6 at 500 K If a 5.30 M sample of A is heated to…

A: Consider the reaction.A(aq) 2B(aq)Kc =9.27×10-6 at 500 KIf a 5.30 M sample of A is heated to 500 K,…

Q: C. d. e. H H H H The amine group is considered to be electron donating toward the ring by resonance,…

A: 1H-NMR is a technique used to determine the complete structure of an unknown compound. It provides…

Q: 14) Draw the peptide R-A-V-E (Each letter stands for a specific amino acid. Use your textbook or the…

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Q: An acid-base indicator, HIn, dissociates according to the reaction shown in an aqueous solution. K₁.…

A: Given:The equation is: Let the concentration of HIn = xLet the concentration of In- = yGiven that…

Q: 2. Oxalic acid (a diprotic acid HOOCCOOH; pKal 1.25 and pKa2 = 4.28 at 25°C) is added to pure water…

A: The objective of the question is to determine the final pH of a solution of oxalic acid in water and…

Q: Predict if the precipitate will form when strontium hydroxide reacts (aq) with  lithium phosphate…

A: The objective of the question is to predict whether a precipitate will form when strontium hydroxide…

Q: Gaseous ammonia chemically reacts with oxygen (O₂) gas to produce nitrogen monoxide gas and water…

A: We are given that gaseous ammonia reacts with oxygen to produce nitrogen monoxide and water, we are…