Q1:- Find the external work done by the system in kcal, when 10 kcal of heat is supplied to the system the increase in the internal energy is 3200 J? Q2:- If the amount of heat given to a system be 25 joules and the amount of work done by the system be-70 joules, what is the changes in the internal energy of the system?

Q: 1. Write the chemical reaction of amino acid when it can act as amphoteric molecule. + HO- H₂N COOH…

A: Amino acid act as amphoteric molecule as it contain both acidic carboxyl group and basic amino…

Q: Use the molecular structures below to answer the next 4 items. OH OH HO OH OH u h r r ? A B с D E…

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Q: create a self-made concept map about reaction coupling.

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Q: Identify the compound in the picture and draw the product of letter E when reacted with hydrazine

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Q: Question 2 The molar heat capacity of a sample of gas at constant-pressure varies with temperature…

A: #Q.2: We can find enthalpy change at different temperatures using Kirchoff's equation which is:…

Q: 24. The acid dissociation constant at 25.0°C for hypochlorous acid (HClO) is 3.0x10-8. At…

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Q: What is the correct name for the following compound? H.C. Select one: O a. m-ethylacetophenone O b.…

A: The correct name for the given compound is needed to find out.

Q: IR Spectrum (KBr disc) 4000 100 80 3000 44 40 13C NMR Spectrum (100 0 MHz. D₂0 solution) 74 M 89 80…

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Q: 6. For a first-order reaction, a graph of __________ versus __________ is linear. Select one: a.…

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Q: Write the condensed structural formula of the organic product obtained through each of the following…

A: Here we are required to predict the product of the reaction

Q: Compound A is more polar than compound B.  In RPLC, which column will compound A be more retained…

A: Given: Compound A is more polar than compound B.  To tell: In RPLC, which column will compound A be…

Q: Consider the Latimer diagram below for a metal M and its oxidized states of M+ and M+3. • What is…

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Q: 1. Give a mechanism for the below reaction Na CO₂Me Me3SICI CO₂Me OSiMe3 OSiMe3

A: Since, this question have multiple questions. So, I will solved first question ( 1 ) for you.  You…

Q: 9. Based on the illustration, what is the classification of the given structure? Answer: CH3…

A: We can classifie given compound on bases of their functional group.

Q: Br2 H₂O

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Q: 26. What type of bond promotes the solubility of alcohols in water? A. Hydrogen bonds B.…

A: 26. Option (a)   Alcohols are soluble in water. This is due to the hydroxyl group in the…

Q: How many liters of oxygen gas at 153°C and 0.820 atm can be produced by the reaction of 22.4 g of…

A: Given, 2KClO3 → 2KCl + 3O2 mass of KClO3 react = 22.4 g Note: molar mass of KClO3 = 122.55 g/mol…

Q: The hybridization of carbon - 12 .atom in alkyne is A-30+1 π. O B - 40 O C-10+2π. O

A: When two or more atomic orbitals overlap ( mixing) they form two or more new orbitals. The newly…

Q: Identify whether each structure, shown below, can participate in resonance and draw the associated…

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Q: 4. If rate law for the reaction  2A + 3B → products It is first order with respect to A and second…

A: The rate law for a chemical reaction is an expression that provides a relationship between the rate…

Q: 3. Which of the ollowing statements is true about ether molecules? A. Ethers are classified based on…

A: The question and the options given are to be matched. The ethers are organic molecules in which…

Q: In bromine water test Procedure: -Add 3 ml of phenol and ethanol in separate test tube -Add 10 ml…

A: The solution is given below -

Q: 9. Which of the following arrows is pointing to a peptide bond?

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Q: 4. A solution containing Z grams of polystyrene per 1.5 L has an osmotic pressure of 9 torr at 25…

A: Given: Weight of polystyrene = Z gram Volume = 1.5L osmotic pressure, π = 9 torr Molecular weight =…

Q: 42. Assign the trivial name of the structure below. A. B. Benzyl phenyl ketone Benzyl phenyl aldehyd…

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Q: Q2. The scientist who used the term "nanotechnology" is: O Sumio lijima O Eric Drexler O Richard…

A: Nanotechnology is used to study and explore the application of nanoparticles.

Q: Give me handwritten answer

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Q: The following results were obtained from an analysis of copper content in four representative…

A: True value = 5.10 ppb Cu content in different observations ( xi ) : 5.34 ppb, 5.37 ppb. 5.44 ppb.…

Q: 27. The dehydration of ethyl alcohol primarily yields A. Ethylene B. Ethanal C. Ethanoic acid D.…

A: Note- Since it is a mutipart questions , hence I solved first three questions according rules of…

Q: The molecule Cl2BBCl2 is nonpolar. True or false?

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Q: Which of the following complexes is the most easily reduced? (i.e. most likely has a positive…

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Q: 1. What order of elution do you expect for the 4 parabens, keeping in mind that the stationary phase…

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Q: Identify the compound in the picture and draw the product of letter E when reacted with hydrazine

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Q: Q1:- what is the solubility (s) for Ag3PO4, if you know that Ksp for Ag3PO4 = 1.4 x 10-8 ? Q2:- what…

A: #Q.1: Given the Ksp of Ag3PO4(s) = 1.4*10-8  Ag3PO4(s) when dissociated in water forms 3 Ag+(aq) and…

Q: A forensic investigation was carried out to determine the amount of gun-shot residue on a small…

A: Concentration of solution is the amount of solute present per unit volume or mass of solution.  In…

Q: Which one of the following substances should exhibit hydrogen bonding in the liquid state?     PH3…

A: Which one of the following substances should exhibit hydrogen bonding in the liquid state?

Q: The concentration of a solution is a microscopic property O False O True *

A: Given, Concentration of a solution is a microscopic property-

Q: Q1:- what is the solubility (s) for Ag3PO4, if you know that Ksp for Ag3PO4 = 1.4 x 10-8 ? Q2:- what…

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Q: D. Cyclopropene structure 39. Why is ethanal incapable of forming a hydrogen bond with another…

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Q: Describe the preparation of I L of 5moll-2 HCL colution from concentrated acid/d=1019 g/m²: 37.500)

A: **As you have asked multiple questions, I am solving first question. Either resubmit other questions…

Q: CH3 H.C OH KMnO4 H₂C CH3 H ->>

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Q: 47. The boiling point of alcohols is A. Higher than B. Lower than C. Equal to the boiling point of…

A: Alcohols have -OH functional group. Ethers have R-O-R group.

Q: Which of the following structures contains a hemiacetal group? * OH H₂C, OCH3 O Option B Option A…

A: Here we are required to find the hemiacetal group.

Q: oue:- Nitrogen (N₂) gas and hydrogen (th) gas react to form ammonia (NH₂) ges- Suppose you have.…

A: Limiting reactant or limiting reagent is that reactant that is totally consumed when the chemical…

Q: 1. Draw and write all the symmetry operations (C.. a. S.. E and i) for each molecule or object. 2.…

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Q: I. Indicate reagents that would accomplish each of following transformations. More than one reaction…

A: Given,  Conversation reaction :

Q: Q1:- Find the external work done by the system in kcal, when 10 kcal of heat is supplied to the…

A: First law of thermodynamics would be used to calculate work done by system.    Note : As you have…

Q: Substance Substance A Substance B Substance C Molecular Component OH OH Substance Substance D…

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Q: Q2 // For the reaction bellow, find the mole fractions of all spices. If KP=0.3 A 2B + C

A: Given in following question a reaction A=2B+C calculate mole fraction of each species and also give…

Q: 4) Adsorption Isotherms Explain the adsorption isotherms by their equations and graphics?

A: ✓Adsorption isotherm is a curve that expresses the variation in the amount of gas adsorbed by the…