What is the heat change when 60.1 g of water cools from 92.°C to 27.5°C? (The specific heat of water is 4.184 J/g·°C.) answer in scientific notation

Q: Determine the equilibrium concentration of D when 6.0 moles of C + 6.0 moles of D in a 2.0L flask…

A: we'll use the stoichiometry and the equilibrium constant (Kc) of the reaction.Given the…

Q: Explain why benzene carbaldehyde is slightly less susceptible   to nucleophic attack than ethanol

A: Nucleophiles are the species that are electron rich. These may be negatively charged or neutral…

Q: Η Η ii. Η Η Classify the following as a branched, cyclic, straight chain or ring organic compound. Η…

A: Cyclic compounds: Cyclic compounds are organic molecules in which the carbon atoms form a closed…

Q: I asked for the answer to be in lewis structure or condensed structure can you fix it.

A: A system for writing organic compounds in a single line is known as Condensed Structural Formula.

Q: o Mono addition of HBr to conjugated dienes leads to multiple products, and a given addition product…

A: Conjugative dienes undergoes two type of addition reactions1,2- Addition and 1,4 - addition both…

Q: Predict the major product for the following sequence. 1. BH3-THF 2. H₂O2, NaOH CH3CH₂C(CH3)2CH=CH2 ?

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Q: Will the addition of 0.10M sodium chloride and 0.10M ammonia to a 0.10M silver nitrate solution…

A: The above question is based on analytical chemistry. We have to see the changes which will occur…

Q: A student was synthesizing aspirin in the laboratory. Using the amount of limiting reactant, she…

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Q: (a) Write expressions for (i) the rate of generation of B in the first reaction and (ii) the rate of…

A: the general expression of 1st order reaction is where A and A0 are concentration of A at t= t and t=…

Q: In the reaction Pb(NO3)2 + 2Nal → PbI₂ + 2NaNO3 if 1 mol of PbI2 is to be formed, then: O 1 mol NaI…

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Q: ©Macm Select the correct name for the compound, including the correct (E) or (Z) designation if…

A: Since,Rule of IUPAC-1) Longest chain as parent chain.2) Numbering start from those side where more…

Q: Which compounds have nonpolar covalent bonds, which have polar covalent bonds, and which have ionic…

A: Electronegativity is the tendency of an atom gives chemical element to attract shared electrons to…

Q: Consider the following data on some weak acids and weak bases: Ka acetic acid HCH₂ CO₂ 1.8 x 10-5…

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Q: What is the equilibrium constant of the following reaction at 25°C? BaF2(s)= Ba²+ (aq) + 2F-(aq)…

A: In the given question we have to calculate the equilibrium constant of the reaction, First of all,…

Q: Chlorine monoxide accumulates in the stratosphere above Antarctica each winter and plays a key role…

A: 2ClO(g) ----> Cl2(g) + O2(g)Reaction follows second order kinetics.Rate constant (k) = 6.48 × 109…

Q: Identify the product of the reaction of an alkyne with hydrogen and a metal catalyst. trans alkene…

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Q: Chemical reactions occur as a result of combining two chemicals. Olike atoms interacting. the motion…

A: As per the policy, we will answer only the first question. Please repost the second question again…

Q: Draw a Lewis structure for dihydrogen phosphate ion, H₂PO4, adding charges and lone electron pairs…

A: The conjugate base of dihydrogen phosphate is Hydrogen phosphate . It can also act as Brønsted-Lowry…

Q: A chemistry graduate student is given 100. mL of a 0.90M trimethylamine ((CH3)₂N) S solution.…

A: Volume of trimethylamine, solution = 100 mLConcentration of trimethylamine solution = 0.90 MThe…

Q: Specify the formal charge at each of the labeled atoms, a - c, in each of the following structures.…

A: In calculating the formal charge of an atom in a compound, all the constituent atoms are considered…

Q: 35. Which species will NOT be able to reduce PbO (s) to PbSO (s)? O Cr O None of the given. O CI, O…

A: The  oxidation potential for Pb is +0.13 VOxidation potential of Cu is - 0.34 V

Q: Devise a 2-step synthesis of the product from the starting material shown. НО. Select reagent 1: 1.…

A: Before solving this question we must know the use of following reagents -a) O3, b) (CH3)2S  => is…

Q: und using pr b) State what class of compound the molecule is in (eg. alcohols, ethers, etc... CH3 i)…

A: The rules for IUPAC nomenclature of organic compounds are listed below:The…

Q: Determine the alkyne precursor and reagents needed to synthesize CH₂C(1₂)CH₂CH₂CH₂CH₂. A. Deduce the…

A: Addition of first equivalent of HI to alkyne proceeds through more stable carbocation. In case of…

Q: i. Which among the following is not an example of alicyclic compound? a) Cyclohexane b) Cyclohexene…

A: Hydrocarbons contain a ring chain of three or more carbon atoms are called alicyclic…

Q: Specify the hybridization at the atoms labelled a-d. For each atom enter one of the following: sp3,…

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Q: 26. Which species is the weakest reducing agent? Or Fe³ Br₂ Mg None of the given.

A: According to the electrochemical series,greater the reduction potential…

Q: Draw structural formulas for the major organic product of the reagents shown. CI ● OH + HNO3 H₂SO4…

A: The structural formula of the major organic product is to be drawn.

Q: 38. What is Eºcell? O-1.38 V O -1.94 V O +1.94 V O +1.38 V O None of the given.

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Q: Use the data below to construct a calibration curve showing the mole fraction of ethyl acetate vs…

A: IntroductionCalibration curves are widely used in analytical chemistry to establish a relationship…

Q: A chemist designs a galvanic cell that uses these two half-reactions: MnO₂(aq) +8 H (aq)+5e¯ →Mn(aq)…

A: Greater the value of standard reduction potential of a redox couple, stronger be the oxidizing agent…

Q: Determine if your molecule contains any chiral carbons. If there are chiral carbons in your…

A: For a sp3 hybridized carbon atoms contains four different substituents attached to it or more…

Q: Calculate the solubility at 25 °C of BaCrO4 in pure water and in a 0.0060M BaCl₂ solution. You'll…

A: Concentration of BaCl2= 0.006M. We are going to determine the solubility of BaCrO4 in pure water and…

Q: S. t. 1. NaNH2 2. CH3Br Cl₂ (excess) 1. NaNH2 2. Br

A: In case first and third reaction, as the terminal triple bonded carbon is SP^3 hybridized,so the…

Q: • Draw the two chair conformations (with correct stereochemistry) of the following compounds: OH…

A: By considering stereochemistry in chair configuration we can write the two chair conformation of…

Q: Identify the major product(s) for the following reaction. Select all that apply. If the reaction…

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Q: Identify the relationship between the following two compounds. H₂N "|||| H A) identical "OH OH C)…

A: Specifically, diastereomers are stereoisomers that are not mirror images of each other, meaning they…

Q: Use the References to access important values if needed for this question. The equilibrium constant,…

A: Using relationship between temperature and Kp at given ∆H° we can figure out the Kp

Q: Pyridine (a weak base) has the formula C5H5N. It is dissolved in water and found to have a pH of…

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Q: What is the expected major product(s) of HCI addition to the alkene below? I and II I and IV II and…

A: Halo-hydrogenation of alkene gives the addition product according to Markovnikov rule,which stated…

Q: When determining the identity of your unknown neutral product, you analysed it by IR. What…

A: The correct answer is: more than one of the above.Both piperonal and stilbene have distinct features…

Q: Consider the structure. :0 H3C xt :O: H H3C Determine the oxidation number of the highlighted atom…

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Q: The following is a temperature-composition phase diagram for a binary system (A-B). The upper…

A: This problem is based on Phase diagram. The detailed solution is given below.

Q: In the context of chemical equilibrium, explain how the Le Chatelier's principle applies to the…

A: The application of Le Chatelier's principle to pressure changes on the equilibrium position is…

Q: A Hydrogen atom has an electron in n = 3. It absorbs a photon with a wavelength of 1.282 x 106…

A: given electron present in the 3rd level = n1=3n2 = ? by absorbing the wavelength, the electron goes…

Q: Consider the following data on some weak acids and weak bases: name acetic acid hydrocyanic acid HCN…

A: As we know that salt of strong acid and strong base are neutral in nature.salt of weak acid and…

Q: 44. How many moles of electrons are transferred overall? 3 O None of the given. 8 6 2

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Q: Which of the following visible colors of light has the highest frequency? O yellow O red O green O…

A: A visible light in the electromagnetic spectrum splits into seven colors. The colors are:Violet,…

Q: For the reaction A(aq) + B(aq) C(aq) + D(aq), the equilibrium constant is 24.4 at 25oC and 35.7 at…

A: Given reaction,                         A(aq) + B(aq) <---> C(aq) + D(aq)equilibrium constant…

Q: 46. If [Mg²+] = 0.10 M and both [Co²+] and [Co³+] = 0.50 M, what is Ecell? O +2.12 V O +4.22 V O…

A: Since the concentration of species involved in electrode reaction is not unity always, the Nernst…