From this reaction 2NO(g) + 2H₂(g) à N₂(g) + 2H₂O(1), NO H2 N2 Sᵒ (J/mol K) 75.10 191.5 192.3 AH°f -283.74 0 0 (kJ/mol) What is the net entropy change (in J/K) of the universe? H20 189.0 -373.57

Q: Write the equation for the alpha decay of Uranium-238 (U-238). b) What is the element that is formed…

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Q: Consider these reactions: AH = -184.6 kJ Reaction 1: H₂(g) + Cl₂ (g) → 2HCl(g) Reaction 2:20F2 (g)…

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Q: НО. НО OH A ОН D OH OH HO НО. OH OH OH + OH OH H* (Catalyst) H2O B Өон E НО НО НО НО. НО OH OH C F…

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Q: What is the mass of 2.068 moles of H2O    (H2O =18.02 g/mol) Your answer should have 4 sig figs

A: Given that, No. Of moles of H2O = 2.068 moles  Molar mass of H2O = 18.02g/mol

Q: (a) pyridine + CH3COOH acetic acid N H pyrrole + CH3COOH acetic acid

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Q: Which acid would be the best to combine with its sodium salt to make a solution buffered at pH 5.25?…

A: This question is from the concept of Buffer Solution. First question ask about which acid would be…

Q: Write a balanced half-reaction for the reduction of nitrate ion NO−3 to gaseous nitric oxide

A: NO3- -----> NO (Oxidation number of N decreased from +5 to +2 (by 3 units)

Q: HO3S NH₂ NH₂ НО OCH3

A: Here we have to write the structure of azo dye formed by the coupling of the above given two…

Q: Which carbocation is the most stabilized? OMe OMe OMe MeO, Me Me Me Me Me &&&& CO₂Me Me Me MeO Me D…

A: Displacement of Sigma electron with pi orbital is called hyperconjugation.  In the mesomeric effect,…

Q: What factors would result in the following equation favoring the reactants? Cd(NO3)2 4H₂O(s)…

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Q: What percent of the ThOD of glycine (C2H5NO2) is used for its carbonaceous oxygen demand?

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Q: Between the cis and trans configuration of 1-chloro-3-methylcyclohexane, which is the most stable…

A: Groups which are axial in the chair form of cyclohexane derivatives cause instability in the…

Q: Determine AS for the reaction N₂O, (g) 2 NO₂(g) given the following information. Substance S°…

A: Given,  N2O4(g) <--------> 2NO2(g)  S°N2O4 = 304.3 J/mol.k  S°NO2 = 240.45 J/mol.k

Q: H3C NH₂ + CH3Br 3

A: In this reaction Propan-1-amine reacts with Methyl bromide to give N-methylpropan-1-amine. as shown,

Q: Select the correct term (higher than, lower than, or the same as) to describe each of the following…

A: Here we are required to compare acidity of two acid .

Q: (f) the molarity (M) of the Ca(NO3)2 solution when 61.3 mL react with 46.2 mL of 5.2 M Na3PO4

A: Given volume of Ca(NO3)2 solution = 61.3 ml = 0.0613 L Molarity of Ca(NO3)2 solution = ?     Given…

Q: The boiling point of a substance is 35.0 degrees C and its heat of vaporization is 27.5 kJ/mol.…

A: Given-> Boiling point = 35°C = 35 + 273 = 308 K Heat of vaporization (∆Hv) = 27.5 KJ/mole  ∆Hv =…

Q: For this item 5, refer to the table below. The initial rates for the reaction: 2CaO + 2H₂O à…

A: Given reaction is :  CaO + H2O ----------> Ca(OH)2  Experimental table is :

Q: Predict the product of the following reaction: CH3 HBr H ?

A: The given amine reacting with the acid HBr produces the following salt

Q: pling learning Draw the structure that corresponds to the following information: Molecular formula:…

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Q: 4. At what temperature will 40 grams of sodium chloride (NaCl) dissolve in 100 grams of water? 5.…

A: We are given the solubility curve at different temperatures for the solubility of the salt per 100 g…

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Q: Micelles are characteristic of what kinds of molecules? A) nonpolar molecules B) charged molecules…

A: To solve this problem we have to know about micelles.

Q: 1. Give IUPAC names for the following carboxylic acids: (a) (b) Br (c) CH3 O || CH3CHCH₂COH…

A: Dear student since it is a multiple type questions with multiple subparts, according to guidelines…

Q: Nitrous acid, HNO₂, can be made by reacting N₂O3 with water as depicted below in a balanced chemical…

A: Given that , Molar mass of N2O3 = 76.01 g/mol  Molar mass  of HNO2 = 47.013 g/mol Weight of N2O3…

Q: Explain the Le Chatelier’s Principle in 10 to 15 sentences. Cite examples if you can.

A: This principle is used to predict the effect of a change in conditions on chemical equilibrium. This…

Q: Which of the following is true about hydrogen bonds? A. Hydrogen bonds are longer and stronger than…

A: Hydrogen bond :-  A weak electrostatic force of attraction established between partially positively…

Q: Synthesize 2-hydroxypropanoic acid from ethanol.

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Q: Draw the structure of the compound identified by the simulated 'H NMR and ¹3C NMR spectra. The…

A: Draw the structure of  molecule C10H12O by 1HNMR or 13CNMR

Q: Calculate the heat capacity of Al in J/mol °C.

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Q: Show the process for synthesizing 2-hydroxypropanoic acid from ethanol (C2H5OH)

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Q: Lead (II) carbonate decomposes to give lead (II) oxide and carbon dioxide: PbCO3 (s)-> PbO (s) + CO2…

A: The percentage ratio of actual yield to the theoretical yield is known as reaction yield.

Q: A) Br₂ Pd/C B) Br₂ C) H₂ reaction. Heat Pd/C Ο.Α. Α OB. B OC.C OD.D OE.E A Moving to another…

A: In presence of heat or sunlight there occur free radical bromination . ->Because free radical…

Q: Convert the volumes from liters to the indicated derived units. 18.4 L to milliliters: 2.67 L to…

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Q: For the chemical reaction shown, 2H₂O₂(1) + N₂H₁ (1) →→→ 4H₂O(g) + N₂(g) determine how many grams of…

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Q: 5. How many grams of NHs can be produced (theoretically) from the reaction of 8.12 g of nitrogen…

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Q: Predict the chemical formula for the ionic compound formed by the elements Al and I

A: Ionic compounds are formed by a positively charged ion (cation) and a negetively charged ion(anion).…

Q: Provide the IUPAC name of the compound shown below

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Q: Procedure: 1. Add one drop of methanoic acid, ethanoic acid, propanoic acid, lactic acid and oxalic…

A: The structures of the compounds are as follows: If you look closely at their structures, you will…

Q: H3C H3C 1 mole ОН CH3 H+ D

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Q: Choose the major product of the following reaction sequence. OEt Br₂/H₂O major product Br t OEt OH…

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Q: Sort the following molecules from most basic to least basic. Hint: does resonance or hybridization…

A: Here we will arrange the given compounds from most basic to least basic. The concept that we apply…

Q: Give the proper IUPAC name for the following alkanes. Use correct punctuation and spelling for full…

A: We have to give the IUPAC name for the given alkane.

Q: From this reaction H₂(g) + I2(s) à 2HI(g), H2(g) 12(s) HI(g) Sᵒ (J/mol K) 87.4 5.7 27.3 AH'f…

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Q: a) Write the isotope of the element that is formed in the beta-minus decay of carbon-14. b) Which…

A: The beta-minus decay of 14C is as given below .

Q: 1 - What product would be obtained from hydroboration-oxidation of the following alkynes? CHS…

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Q: Under what conditions is a carbon atom a chiral center? A. if it has no stereoisomers B. if the…

A: conditions for carbon atom a chiral center  it has stereoisomers  it is asymmetric  it has four…

Q: Chemistry Write down the equation describing the mole fraction of x-mer (xn) present in a…

A: Given that the equation describing the mole fraction of x-mer present in a polycondensation…

Q: Nuclear fission and chain reaction are concepts behind . . . Nuclear bombs only. Nuclear power…

A: The answer is as follows:

Q: Predict the sign of ASº, +, -, or 0, for each of the following reactions and drag it into the boxes:…

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