Calculate the change in the entropies of the system and the surroundings, and the total change in entropy, when the volume of a sample of argon gas of mass 31.5 g at 298 K and 1.50 bar increases from 1.20 L to 4.60 L in an adiabatic reversible expansion.

Q: Name the following alkenes, including the cis or trans designation: (a) 업 cr₂ H₂CHCHICH=CH CH3 beine…

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Q: When calcium carbonate is added to hydrochloric acid, calcium chloride, carbon dioxide, and water…

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A: Given,The reaction:carbon (s) + oxygen (g)  carbon dioxide (g)mass of carbon = 6.92 gmass of oxygen…

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Q: 23 of 25 Draw the major product of this reaction. Ignore inorganic byproducts. 1. LIAIH4 2. H3O+ NO2…

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Q: Problem #3: Unknown molecule with molecular formula C,H,O. 14 Which of these molecules best…

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Q: Choose the two Newman chair conformations of ethylcyclohexane: Н Н Et- 5 S □ H Н I Н. T Et Et H EtH…

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Q: A 9.00 L tank at 26.5 °C is filled with 3.97 g of carbon monoxide gas and 7.00 g of sulfur…

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Q: You are standardizing a solution of KOH which is approximately 0.4 M.  You fill a 50 mL buret with…

A: An acid-base titration is illustrated in the preceding example. It is a titration used to…

Q: Which dienophile would be the most reactive in the Diels Alder reaction? e A В C 0 0 о В C A

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A: The Rydberg equation is a mathematical expression that can be used to determine the values of…

Q: ect Question 23 Which of the following rate laws is consistent with the following mechanism? A₂(g) +…

A: Given,The reaction mechanism :A2 (g) + C(g)  AC(g) + A (g)   fast equilibrium ( Kc1 )AC (g)   AB2…

Q: 1. Propose structures for the following products. s a) b) c) BrMg. Me BrMg. Me 0 Et₂0, 0 °C then H*…

A: Since you have posted a question with multiple sub parts, we will provide the solution only to the…

Q: HCI major minor

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Q: The highlighted O atom. Hybridization: CH3 Molecular geometry: (Choose one) tetrahedral octahedral…

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Q: A student performed the Beilstein test within a chemical fume hood by inserting a looped end of a…

A: Here a sample of organic compound undergoes Beilstein test and finally burns with green flame. It is…

Q: ΔΕ = EA₁ O + e --> O²- AE = = EA₂ The successive electron affinities for the above reaction are…

A: Electron affinity (EA) refers to the energy change that occurs when an electron is added to an…

Q: If 7.66 g of CuNO3 is dissolved in water to make a 0.140 M solution, what is the volume of the…

A: Given that,Mass of  = 7.66 gMolar mass of Molarity of solution= 0.140 MVolume of solution in mL= ?

Q: Suppose a 500. mL flask is filled with 1.9 mol of H₂S, 0.30 mol of CS₂ and 2.0 mol of H₂. This…

A: Answer:ICE table gives us the presence of initial quantities in the system along with the changes…

Q: Which of the following nuclides would be most likely to undergo beta decay? 135 s 130 125 120 115…

A: In beta-positive decay, a proton within the nucleus of an atom is converted into a neutron…

Q: What would be the expected major product of the following reaction? O O af que qua ayl

A: The unsaturated hydrocarbons that have double bonds are known as alkene. They are reactive due to…

Q: 5. Determine if the following molecules are chiral or achiral. If chiral, indicate the chiral…

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Q: Which side chain of the following amino acids side chain is the least likely to act as a nucleophile…

A: Given are amino acids .Nucleophiles are either negatively charged species or neutral spectrum having…

Q: Determine the total number of stereoisomers that exist for 3,6-dimethoxyoctane. A) 4 B) 3 C) 2 D) 1

A: Given compound is 3,6-dimethoxyoctane.Stereoisomers are isomers which have same molecular formula…

Q: A 50.0 g block of copper at 90.0 0C is placed in a beaker containing 200.0 g of water at 20.0 0C.…

A: Given,mass of copper = 50.0 gspecific heat of copper = 0.38 J/ (g.K )Initial temperature of copper =…

Q: Which of the following is the strongest acid? A. CH3CH₂OH B. CH3OCH3 С. D. E. CH3CH O CH3COCH3 || O…

A: The strength of an acid depends on the stability of its conjugate base.The stronger an acid, the…

Q: Provide the reagents necessary to convert 4-ethylheptanoyl chloride into 5-ethyl-2-octanone. CH3Li…

A: Given is organic reaction. 4-ethylheptanoylchloride ---------> 5-ethyl-2-octanoneHere, Acid…

Q: 2. Because a qualitative analysis may often consist of a rather long series of manipulations,…

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Q: The transmutation reaction 28.Si + 4He 14 ○ 24 Mg 14N 7 28,Si 14 O 32.S 16 --> X X forms what…

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Q: Assign H HO CH 3 Br absolute L Brz u CH₂CH3 H configurations to U CH₂CH₂|||| HO H the OH molewkes…

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Q: The amino acid shown below would be classified as.. H Н. I оооо H I N-C-с CH но nonpolar polar…

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Q: The equilibrium constant, Kp. for the following reaction is 0.110 at 298 K: NH₂HS(s) 12 NH₂(g) +…

A: Kp for the reaction= 0.110 T = 298K Moles of NH4HS = 0.510 mol Volume= 1.00L Temperature,T = 298K…

Q: ५ ܓܙ ܘ 44 • 13 + nci CI

A: In a reaction mechanism, arrows are drawn to show the movement of electrons. So, an arrow begins…

Q: More energy is required to break a bond with an order of3/2than is required to break a bond of order…

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Q: The equilibrium constant for the chemical equation N₂(g) + 3 H₂(g) — 2 NH₂ (g) is Kp = 0.557 at 277…

A: The reaction given is N2 (g) + 3 H2 (g) ------> 2 NH3 (g)Since the relationship between Kp and Kc…

Q: What is the minimum amount of 5.6 M H2SO4 necessary to produce 26.5 g of H2 (g) according to the…

A: Consider the reaction:The given mass of  = 26.5 gThe molarity of  solution = 5.6 MThe minimum amount…

Q: Write the rate law for the following elementary reaction: ICI(g) + H₂(g) →→ HI(g) + HCl(g) Use k₁ to…

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Q: A gaseous compound was found to contain 30.4% N and 69.6 % O by mass. At 300 K, 1.10 g of the…

A: Given,mass percent of N = 30.4 % and O = 69.6 %mass of gaseous compound = 1.10 gVolume = 0.376…

Q: Nitrogen and oxygen form an extensive series of oxides with the general formula NxOy. What is the…

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Q: Design a synthesis to prepare the following alcohol.

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Q: For the structure and ¹H NMR spectrum shown below, match the labeled hydrogen atom groups on the…

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Q: 1. 3 Sr(s) + N₂(g) → Sr3 N₂(s) 2. CH4 (g) +202(g) → CO2(g) +2H₂O(g) + energy 3. 2 Ag(s) + H₂S(aq) →…

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Q: Is 5-hydroxymethylcytosine aromatic? Draw at least one resonance structure to prove your reasoning.

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Q: For the oxidation-reduction reaction below: Mn2+ +BiO3- + H+ → MnO₂(s) + Bi³+ + H₂O(1) Which…

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Q: You can standardize a solution of KMnO4 by using the solution to titrate oxalic acid in an acidic…

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Q: What is the maximum kinetic energy of an ejected electron if vanadium metal is irradiated with 256…

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