Determine ∆S for the phase change of 2.25 moles of water from liquid to solid at 0.0 °C. (∆H = -6.01 kJ/mol)

Q: Which of the following experiments would be consistent with this mechanism? slow Step 1: 2NO2(g) →…

A: The rate of a reaction is always determined using the slow step.

Q: LOH H,C O=ら=0

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Q: A 0.25 g sample of an unknown solid is dissolved in 8.85 g of cyclohexane. The change in the…

A: Given :  Mass of solute = 0.25 g  Mass of solvent = 8.85 g  Change in freezing point = 2.8°C  Kf of…

Q: Determine the mass in grams of cycloheptane that must be added to 84.2 g of benzene to make a 2.33 m…

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Q: draw what oxycodone structure would look like at a ph of 1 and clearly identify the overall charge.…

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Q: What is the concentration of nitrate ions when 35.00 ml of 0.75 MMg(N02)z are diluted to 100.0 ml?

A: (1) Given that -  Volume of magnesium nitrate solution = 35.00 mL  Molarity of solution = 0.75 M…

Q: Question 18 In GC experiment, a standard solution containing 0.147 grams ethanol gave a peak area of…

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Q: 1. Name the following alkyl halides: (a) H3C Br Br CH3 (b) çI CH3 (c) Br CH3CHCHCHCH,CHCH3…

A: Name of compound is written with the substituents in alphabetical order followed by the base name.…

Q: 6. Draw the structure for compound A and for compound B in the following synthetic sequence. 1) Mg.…

A: In this question we have to tell the product of the reaction.

Q: hen 2.00 grams of KMnO4 (MW = 158.0 g/mol) is dissolved into 100.0 mL of solution, what normality…

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Q: Consider the reaction: 2SO2(g) = 2SO3(g) for which AH°=-200. kJ and AS°=-186.8 J/K at 25°C. Assuming…

A: The questions can be solved by using the concept of variation of free energy depending on the change…

Q: 2. Draw the scheme of procaine hydrochloride synthesis (name all the products).

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Q: Which element has the electron configuration 1s*2s*2p*3s*3p°4s*3d"4p²?

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Q: Question 49 In 1-2 sentences, explain what the Arrhenius equation tells us. Use the diagram to help…

A: The solution is given below -

Q: What is the correct cell notation for the reaction below? Cu 2*(aq) + Pb(s) ® Cu(s) + Pb 2*(aq) a.…

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Q: How many degrees of unsaturation are present in the following molecules: ii i iv HO C10H22 C,H;CI

A: Degrees of unsaturation (D.U) :-  The total number of pi bonds and cyclic rings present in a…

Q: Two students, Ryeo and Wookie, performed the solubility equilibrium experiment. In preparing the…

A: Solubility decreases with decrease in temperature. So in second trial Ryeo will get less solubility…

Q: What is the molality of a solution that contains 48 grams of sodium chloride and 250 mL of water?

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Q: Predict the Direction of a Reaction Predict the direction toward which the reaction will proceed to…

A: The direction of reversible reaction can be predicted by comparing reaction quotient (Qc) value with…

Q: 10-1 Samma X rays Ultra violet Infrared Microwaves rays 020 1018 1016 1014 1012 1010 Visible Light…

A: According to Planck's Quantum theory,  energy of photon is directly proportional to frequency.  So,…

Q: What is the relationship between calculating the amount of iron in a vitamin pill and physical…

A: The analysis of present iron in a supplement tablet can be done by a redox titration reaction. Iron…

Q: PROBLEM 2: Find the percent of each component in a 0.4740g of propanediiodic acid and aniline…

A: Suppose the mass of propanedioic acid, H2C3H2O4 in the mixture = "X" g,  and the mass of aniline…

Q: Given the following spectrophotometric data, what is the most appropriate linear equation to use?…

A: It is an application of Lambert Beer law

Q: Problems i i-13: Write down the Complete the molecular equation and balance, the total ionic…

A: To write molecular equation , we would use solubility rules to check the solid product that would…

Q: Question 4 What major organic product results when 2-octyne is treated with Na/NH3? octane no…

A: Given that, 2-octyne treated with Na/NH3.major product?

Q: Label the stereocenter in the following molecule as Ror S. ОН

A: Assign priorities to the groups attached to the chiral centre as per CIP rule(Cahn-Ingold-Prelog) If…

Q: to 50.0°C. If the pressu gas? a.) 38.6 mL b.) 87.5 mL c.) 31.8 mL d.) 35.0 mL e.) 52.5 mL

A: Given,  V1 = 35.0 mL T1 = 20 °c = 293 K T2 = 50 °C = 323 K V2 =

Q: For methylcyclohexane, shown below, the total number of 1°, 2° and 3° hydrogens, respectively is O…

A: The correct answer is given below

Q: Question 23 Which of the following reactions can be used to synthesize alcohols? You may assume a…

A: Which of the following reaction can be used to synthesize alcohols ? You may assume a seperate…

Q: Zn(s)+CulBe(og)- single displacement combination decomposition KCKag)+AgNO,(ag) double displacemen

A: According to the Law of conservation of mass " all atoms of different elements must be equal on both…

Q: A 0.290-gram sample of impure sodium carbonate required 36.60 mL of 0.1055 M HCI in a titration…

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Q: Calculate the K for this reaction: 2Fe*3 + Pd 22FE*2(ag) + Pd*2 (aq) (aq) (aq) + Pd+2

A: For a reaction at equilibrium- K = [Product]/[Reactant]

Q: . You are an athlete weighing 78 kg. If you are required to lose 9 kg, what would your final weight…

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Q: 2. Arrange the following atoms in an increasing order on atomic radii, ionization energy, electron…

A: Solutions                                         Given that  2a) Atomic radii Li B Cs Al Pt Cs

Q: Question 26 If a reaction is endothermic, then O AH° 0 O AS° > 0

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Q: Consider the combustion of 0.5 kg H2 as represented by the following equation: 2H2 + O2 = 2H2O…

A: Given data mass of H2 gas  = 0.5 kg Reaction : 2 H2 + O2 → 2 H2O Molar mass of H2 = 2 g/mole

Q: plete the following reactions ( . H2SO3 + Ba(OH)2 > . CAH9OH + 02 > Br2 + YF3 >

A: In the balanced chemical reaction number of atoms of each element in product side is equal to number…

Q: A carboxylic acid has a pKa of 6.00. Which of the following statements is true? O A. There is an…

A: pKa for a weak acid is related to pH and concentration as per Henderson Hasselbalch equation.

Q: Two possible Lewis drawings for SCN are shown below, labelled structure A and structure B. Calculate…

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Q: What is a matrix used in cyclic voltammetry? Define and give example of such

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Q: 2) Calculate the K for this reaction: 2Fe** (aq) + Pd 2Fe*(aq) + Pd* (aq)

A: Given reaction: 2Fe+3(aq) + Pd ⇄ 2Fe+2(aq) + Pd+2(aq) We have to calculate the value of K for this…

Q: NUCLEAR REACTIONS Nickel-56 decays with a half-life of 6.075 days. 1. Write the balanced nuclear…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: 3. Why is the measured mass different than calculated mass deposited? 4. What affects the rate of…

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Q: A Predict the main product of the reaction of CH;CH,NH, at pH 5 with compound A.

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Q: You are asked to determine the alkali present and the percentage of each in a component of a sample…

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Q: Explain the purpose of Baeyer’s Test?

A: As per our guidelines we can only solve first question. Please resubmit the other questions as next…

Q: The following are line-angle drawings for neutral organic compounds. How many TOTAL hydrogen atoms…

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Q: what are the different between the M_L in octahedral and M_L in tetrahedral?

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Q: Prepare 250 mL of 5.20 buffer from 1.00 M NaOAc and 1.00 M HUAC Ka-4.15 a. Volume of NaOAC: b.…

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