A temperature change affects K: higher T K for an endothermic reaction (positive AHrxn) and, K for an exothermic reaction (negative AHrxn). decreases; decreases decreases; increases increases; increases increases; decreases

Q: 3. A sample of perfect gas expanded adiabatically and reversibly from V, to V2, which kind of…

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Q: Propose a synthesis for each of the compounds below from benzene. It will take 4 or 5 steps, be sure…

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Q: I can determine mathematically how much energy will be produced or absorbed for a given chemical…

A: Energy produced or released ( or enthalpy change ) for a reaction can be determined using standard…

Q: If a chemical reaction has AH°298 = -67.1 kJ and AS° = - .0908 kJ/K, what %3D is AG°298 (in kJ)? O…

A: In this a multiple questions, so I will solved first question for you in details solution and…

Q: The solubility of CaF, in water at 25 C is measured to be 0.017 Use this information to calculate K,…

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Q: In self-contained breathing devices used by first responders, potassium superoxide KO2 reacts with…

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

Q: Suppose you prepared a sample of nitrogen and collected it over water at 20 °C at a total pressure…

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Q: 2. A 0.696 mol sample of Cu is added to 136 mL of 6.0 M HNO,. Assuming the following reaction is the…

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Q: Give a clear handwritten answer with explanation...give the mechanism of given bleow reaction.

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Q: Propose a synthesis for each of the compounds below from benzene. It will take 4 or 5 steps, be sure…

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Q: Consider an electron confined to a 2-D ring of radius 0.8771 A. What wavelength of light is absorbed…

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Q: For the following electrochemical cell, which of the following statements is true when the cell…

A: 1.) From given cell , firat we would write possible half reactions as per given compounds and…

Q: What are the empirical formulas of the following chemical compounds 1. Hexane 2. 3-ethylhexane 3.…

A: We have to predict the empirical formula.

Q: At 16°C and 794 mmHg. 2.30 L of oxygen gas reacts with an excess of phosphorus. How many grams of…

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Q: A buffer solution is prepared by combining equal volumes of solutions of 0.2 M NaH2PO4 and 0.2 M…

A: Given that, Buffer solution of 0.2M NaH2PO4 and 0.2M K2HPO4 and the pH is 6.87  Small amount of NaOH…

Q: At 25°C, the Ka for a certain monoprotic base B is 2.5x10-5. What will be the Kb value for the given…

A: Given :- Ka = 2.5 × 10-5  To determine :- Kb at 25°C

Q: eri to eron 3 HO Seidete HS

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Q: 3) N Br ->

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Q: Consider the following titration curve for a diprotic acid H2A: pH 1st value on the graph given 5.0…

A: A diprotic acid contains two proton that can produce two H+ ions.

Q: Determine E° for the half-reaction Fe3 (aq) + e Fe2 (aq). Fe3+(aq) + H2(g) → 2H*(aq) + Fe2+(aq) E° =…

A: E° for the following net cell reaction = +0.77 V  Fe3+(aq) + H2(g) ---> 2H+(aq) + Fe2+(aq)  E°…

Q: Consider the following equation in aqueous solution: Cr.0, (aq) + S,0,(aq)→ Cr* (aq) + S,0,²(aq) >…

A: In this question we have to write balance half reaction for reduction in acidic solution.

Q: 12. The depression of freezing point equation is

A: ★ Answer : The depression of freezing point equation is : ∆Tf = Kf × m   Where, ∆Tf → depression of…

Q: Give a clear explanation handwritten answer...give the mechanism for Friedel acylation with curved…

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Q: Consider three 1-L flasks at STP. Flask A contains NH3 gas, flask B contains NO2 gas, and flask C…

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Q: Calculate the amount of material remaining for each of the following substances. 5.25 g Rn-222 (t ½…

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Q: I–(aq) + ClO–(aq) → I3–(aq) + Cl–(aq)       HOW DO WE GET THERE? Question Content Area For the…

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Q: Determine the pOH of a solution that is 0.110 M in CO3?-. For carbonic acid (H2CO3), Kal = 4.3 x…

A: B.) CO32- is a second conjugate base of H2CO3. So to calculate it's pOH , we would need its  Kb1 ,…

Q: storage

A: The stability is mainly affected by storage time and also by other factors that increase the…

Q: If E°cell for a redox reaction is negative, which of the following statements must be true? 1. AG°…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: SOlution Is pb (NO3caq) with so ml 0.10M SO.omi of KCI (aq). Ksp pbcl,= 1.7x10 prepared by nixing…

A: Total volume of the solution after mixing, Vt = 50.0+50.0 = 100.0 mL

Q: Show how to prepare each compound from 2-methyl-1-propanol. (a) 2-Methylpropene (b)…

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Q: For a gas, which two variables are directly proportional to each other (if all other conditions…

A: Ideal gas equation is as follows - PV = nRT If volume of the gas is constant and gas constant is…

Q: A mixture consisting of 0.2000 mol CO2, 0.1000 mol Hz and 0.1600 mol H20 is placed in a 2.00- L…

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Q: Balance the following oxidation-reduction reaction that occurs in an acidic solution using the…

A: First we determine reduction half reaction from given cell reaction.  Reduction is the lose of…

Q: 2. A 25.00mL sample of 0.360M NAOH is being titrated with 0.425M HNO3. a.) What is the pH of the…

A: pOH=  -log[OH-] pOH+ pH= 14

Q: 5. Predict the geometries of NF, using the VSSPR method with the following steps Step 1) Draw the…

A: The ammonium cation is a positively charged polyatomic ion with the chemical formula NH4+. It is…

Q: Complete the following statement: Resulting from the electron capture of (A)-168 is a daughter…

A: Given,  Resulting from the electron capture of (A)-168 is a daughter nuclide with (B) neutrons and…

Q: Given reaction 2NH3(g) + 3C12(g) → N2(g) + 6HC1(g), you react 2.0 L of NH3 with 5.0 L of Cl2…

A: Given :  Volume of NH3 = 2.0 L  Volume of Cl2 = 5.0 L  Question is based on Gay-Lussac's law of…

Q: A catalyst causes the system to reach equilibrium more quickly by speeding forward and reverse…

A: Answer: A catalyst is a substance that doesn't get consumed in the chemical reaction but due to its…

Q: Draw the major product of the following reaction and enter its InChl code in the space provided.…

A: This is a nitration reaction, in this reaction nitronium ion generated from the nitrating mixture…

Q: 5. True or False?" The rate of an SN1 reaction of a secondary halide stays the same when you triple…

A: Given statements are :  a). The rate of an SN1 reaction of s secondary halide stays the same when…

Q: Sodium bicarbonate can be used to neutralize stomach acid, HCl(aq) and costs approximately 50 cents…

A: NaHCO3(s) + HCl(aq) --> NaCl(aq) +CO2(g) + H2O(l) At equivalence point Number of moles of NaHCO3…

Q: Calculate AG° for the electrochemical cell Fe(s) I Fe²*(aq) |I Snª*(aq) | Sn²"(aq) I Pt(s). 4+…

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Q: Consider the following half reaction: Na*(aq) + e -→ Na(s). For this reaction, E°(red) = -2.7 V. If…

A: Given data: Na+(aq) + 1e- ---------> Na(s) E°red = -2.7V

Q: For the reaction 2IB1(g) I2(g) + Brz(g), K = 8.50 x 10-3 at 150 °C. If 0.300 mol of IBr is…

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Q: At what Celsius temperature will 2.7 mol of a gas occupy a 30.0 L container at 2.6 atm. (Remember to…

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Q: The reaction of NO- NO2(g) + O3(g) The reaction is first-c What is the rate of re

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Q: Draw the major organic product of the following reaction. CH;CH2CHCH2CH3 SOC2 OH • You do not have…

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

Q: Suppose the O, gas evolved by a certain chemical reaction taking place at 50.0 Cis collected over…

A: Given: Temperature = 50oC Volume of gas collected in the collection tube = 118 mL To determine: Mass…

Q: 13) A particle is orbiting about a central location with an orbit radius of 0.69 nm. The m = 2 state…

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