Predict how the entropy of the substance is affected in each of the processes. Ar(1) → Ar(g) entropy increases CO,(1, -57 °C) → CO,(g, 57 °C) entropy decreases v entropy decreases entropy remains the same entropy increases entropy increases

Q: When [Pb2+] = 1.49 M, the observed cell potential at 298 K for an electrochemical cell with the…

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Q: Joan's experiment involves precipitation of AgCI (143.32 g/mol) from using the available reagents in…

A: Given: Concentration of MgCl2 = 0.105 M Volume of MgCl2 solution = 34.5 mL = 0.0345 L…

Q: A 15.0 mL 0.500 M NANO3 solution is mixed with 50.0 mL 0.200 M Fe(NO3)3 solution. What is the molar…

A: Given data A 15.0 mL 0.500 M NaNO3 solution is mixed with 50.0 mL 0.200 M Fe(NO3)2 solution. The…

Q: If the value of the blank solution is equal to 7.0 g/cm3 while the salt concentration is 9.7 g/cm3.…

A: The Seta Salt in Crude Analyzer is a robust and portable instrument for determining the chloride…

Q: In which change does reduction occur? I. NO3 NO 2- II. co2→ C,04 2+ II. vo, - vo vo* 02 - H,02 IV.…

A: The common oxidation state of oxygen in most of its compound is -2. The common oxidation state of…

Q: 4 What are the possibilities if the pressure in the triple point of a given substance is higher than…

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Q: What is the pH of the solution when 20.0 mL of 0.155 M of NH3(aq) is titrated with 15.0 mL of 0.225…

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Q: Write the miller indices of the crsytallographic plane shown: 8.

A: For the given plane in the question, there are three steps for determination of the millers indices.…

Q: NaOCH, in CH,OH CI high temperature

A: Given data : Substrate: 3° alkyl halide  Reagent: NaOCH3 in CH3OH                 high temperature…

Q: A transition metal chloride (MCI;) combines with pyridine and DMSO to give a metal complex with a…

A: To which atom does the DMSO ligand bond to central M2+ ion.

Q: Determine the mole fraction of NaF in a 11.7343 wt % aqueous solution of NaF.

A: Weight percent or mass percent :- The mass of solute in grams present in 100 grams of solution is…

Q: Calculate the molality of a solution that contains 70g naphthalene C10H8 in 100 g of water. The…

A: Given :-  Mass of naphthalene = 70 g  Mass of water = 100 g  To calculate :-  Molality of solution

Q: ОН HNO3 Experiment 32B

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Q: Aluminum metal reacts with chlorine with a display of sparks: 2 Al(s) + 3 C12(g) → 2 AICI3(s) AH =…

A: Given- Weight of Al=5.000g Molar mass =26.982g/mol  2Al(s)+3Cl2(g) -> 2AlCl3(s)

Q: The value of Ksp for AgBr is 5.4 x 10-13. For the Ag/AgBr electrode, AgBr(s) + e = Ag(s) + Br°(aq)…

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Q: What is the potential after the addition of 25.00 mL of 0.05000 M Sn^ in 50.00 mL of 0.1000 M Fe".…

A: Given: Concentration of Sn2+ = 0.0500 M Volume of Sn2+ solution = 25.00 mL  Concentration of Fe3+ =…

Q: ow many equivalent orbitals are involved in each of the following sets of hybrid orbitals? a. sp…

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Q: 1) What species is oxidized in the reaction: CuSO4 (aq) + Fe(s) - FESO4(aq) + Cu(s)? B) Cu (s) A) Fe…

A: The addition of electrons or decreases in the oxidation state is known as a reduction reaction and…

Q: Solid aluminum hydroxide (Ksp = 1.3 x 1033) is added to 3.50 mM Al(NO3)3 solution until the solid no…

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Q: drops of ethanol and 1 drop of each oil: 1 drop of cotton seed oil --- >  1 drop of linseed oil…

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Q: A reaction has a positive entropy change. What would the sign of AHrxn need to be to make the…

A: Let us consider the equation for gibbs free energy  ΔG=ΔH−TΔS Where,δH is enthalpy change (KJmol −1)…

Q: Write the Lewis dot structure for the following atoms or ions:  Mg ___________________________…

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Q: Thiols or thiol (-SH) group is a better base than hydroxide (-OH) group in elimination reactions.

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Q: From the following AH and AS values, predict whether the reaction would be spontaneous. If not, at…

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Q: alkyne aromatic alkene alkyne aromatic alkene alkane alkane CH, CH,СССH, CH; (CH, ),CH, aromatic…

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Q: Name the alkane C7H16 Express your answer as the IUPAC name.

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Q: ommercially by the electrolysis of Al2 O3 in the presen h?

A: Given,  Time(t) = 3.00 ×3600 s Current(i) = 1.49 ×106 A Faraday's constant = 96500 C/mol M = molar…

Q: Calculate the moles HCl used and Na2CO3 in 5ml of water that has been titrated with 2.17ml of…

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Q: The phenomenon whereby an atom may transform from one lattice structure to another is know as what?

A: The answer to the following question is-

Q: e identity of the gas?

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Q: B. Complete table 1. Write down your observations Substance/Sample References for Solubility in…

A: To fill in the observations in the table:

Q: 6) What is the shorthand notation that represents the following galvanic cell reaction? Fe(s) +…

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Q: What is the pH of the solution when 20.0 mL of 0.155 M of NH3(ag) is titrated with 15.0 mL of 0.225…

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Q: Based on the reaction chart above, which of the following structures labelled 1-14 represent…

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Q: Give the name for the structure in the image shown: CH,CH, CH,CH, CH3CCH,CH CH3 CH3 O…

A: The numbering of the carbon chain can be done based on the position of the methyl group. It should…

Q: What quantity of heat (in kJ) will be released if 1.20 mol of SrO is mixed with 0.911 mol of CO2 in…

A: Given: The number of moles of SrO (Strontium oxide) is 1.20 mol The number of moles of CO2 (carbon…

Q: 405−mL solution of NaCl was electrolyzed for 5.80 min. If the pH of the final solution was 12.23,…

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Q: Give two examples of an electrochemical cell.

A: The examples of electrochemical cell is given below

Q: A solution is prepared by adding 25 g of C6H12O6 of glucose to 100 g of water. The resulting…

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Q: H;CH,C CH, H CH, CH, H CH3 HtCH,CH3 -- -CH,CH, H H. ČH;CH, H H H. H,CH,C CAB СЕВ CIB COB CL 1. a…

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Q: PLEASE help

A: The correct name of the structure shown below is

Q: if there is 0.00198g of CaCO3 in 5ml of water, what is the number of grams present in 106ml?

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Q: decomposition of solid potassium chlorate as shown. When he used 4.75 g KClO3 (122.55 g/mol) for…

A: Given , Mass of KClO3 = 4.75 g Molar mass = 122.55 Mole = mass/molar mass      = 4.75/122.55 =…

Q: Noke Lew has a different unknown salt containing one of the nine anions used in this lab. She tries…

A: The three classification reactions for the analysis of anions are: 1. Formation of insoluble barium…

Q: WE GE T THERE? many moles of electrons are required mol e-

A: As we know,   Charge of 1 mol electrons = 96500 C Mol of Ni = 8.3×10-2 mol Balanced chemical…

Q: about heat conduction Task 1: . What happens to the temperature of a well-insulated room, if a…

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Q: What are the main components of an electrochemical cell?

A: An electrochemical cell is an apparatus or tool that produces electric current from chemical change…

Q: Would you want to use a material with a high or low specific heat to make a lunch box that will keep…

A: The questions given are,

Q: Identify the concept that best fits each of the following reactions. + OH (ag) (aq) 1. 2H,O H,O* (6)…

A: Since you have posted question with multiple sub-parts, as per guidelines we will solve only the…

Q: is the free energy change for the reaction below, if the reaction quotient, Q, at 25.0oC is equal to…

A: Given-> Reaction quotient (Q) = 4.56 × 10-6 ∆G° = -216.790 KJ = -216.790 × 1000 J = -216790 J (1…