A chemical reaction is always spontaneous if it is accompanied by Oa. endothermic and increasing entropy Ob. exothermic and increasing entropy Oc. endothermic and decreasing entropy Od. exothermic and decreasing entropy e. none of these (A-D)

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Q: To determine the Ksp of barium oxalate at 12°C, a 100.0 mL saturated solution was prepared by adding…

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Q: (iv) Re-draw the amino acid below in a Fischer projection. H2N но, Me

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A: Detail description is given below

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A: Volume of Hydroxyacetic acid (HA) = 50.0 mL Molarity of Hydroxyacetic acid (HA) = 0.07500 M Ka of HA…

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A: Given data 2NaCl(s) + H2O(l) → 2HCI(g) + Na2O(s); ∆H ° =-507.1 kJ/mol NO(g) + NO2(g) + Na2O(s)→…

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A: Given,  Thermodynamic equations are :  1. C6H12O6(s) + 6O2(g) → 6CO2(g) + 6H2O(l) ΔrH1° = −2803…

Q: Why does the concept of colligative properties apply only to dilute solutions?

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Q: Complete the table & show complete solutions, round answers to 4th decimal places. concentration…

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Q: The combustion of 4.00 grams of milk in a bomb calorimeter resulted in a temperature increase of 3.4…

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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: Identify the oxidation numbers to all the elements in each of the compound or ions KMN04 O a. K=+1;…

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Q: ) The above synthesis was designed using the Organic Chemistry Roadmaps in the appendix of your…

A: Here we are required to find the compound c after several reaction.

Q: 8. For the reaction 2 Ag) + Bg) =2 C) Keg = 0.18 at 200°C %3D calculate (a) Ke for the reaction 2 C…

A: The value of equilibrium constant (Keq)  depends on Stoichiometry of reaction. *If a chemical…

Q: Calculate the milliequivalent weight of sodium carbonate decahydrate. Type only the numerical value…

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Q: 33. What is the concentration of an analyte given that the percent transmittance is 70.3%, the path-…

A: Answer: According to Beer-Lambert law A=εbC Here: A=absorbanceb=path lengthC=concentrationε=molar…

Q: Prepare 20 mL of~1 M CaCl2. Because the CaClz solution will be used as an excess reagent to prepare…

A: Density= Mass / Volume So, Mass = Density * Volume Mass of water = 1 g/mL * 20 mL = 20 g Mass of…

Q: A reaction has a rate constant, k = 0.0379 M/min. What is the half-life (minutes) when the initial…

A: Rate constant, k = 0.0379 M/min.  Initial concentration = 1.38 M  Half life time (in minutes) = ?

Q: All of the following may get oxidized EXCEPT O a. Fe2+ O b. NO2- O c. Na O d. Mn04-

A: When central atom have highest oxidation number then can't further oxidized.

Q: A Sample Containing 6.00 x10-2 mmol af vesay acd 2.00x102 a cation _excharyge volume of o.02.00 M…

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Q: Draw the structure of b-D-galactose molecule using  4C1 chair conformation

A: Structure of b-D -galactose is given in chair and ficher projection

Q: (c) Arrange the following compounds in order of increasing acidity, and explain the reasons for your…

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Q: What is the cell voltage for the electrochemical cell reaction? 3Ni(s) + 2Au3+(aq) 3Ni2+ + 2Au(s)

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A: The peptide is GSTSRASPRM.

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A: Given,  V1 = 8 cu.m V2 = 3 cu.m P1 = 200 kPa

Q: For which set of values of AH and AS will a reaction be spontaneous at all temperatures? O AH = +10…

A: For a reaction to be spontaneous, change in free energy for a reaction must be negative.

Q: magnitude of Kw that: the autoionization of water is exothermic water autoionizes very quickly water…

A: Kw is the ionic product of water. So it is auto ionization of wate. Kw = [H3O+][OH-]

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

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Q: 1. Considering the trends in the periodic table for atomic radii, ionization energy, and electron…

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Q: Carbonyl compounds as nucleophiles Maximum allowed tries per question: Unlimited No extensions will…

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Q: 12(g) 8. For the reaction 2 Ag) + B) Keg = 0.18 at 200°C %3D calculate (a) K for the reaction 2 C…

A: Given reaction is :  2A (g) + B (g) <----------> 2C (g) , Keq = 0.18  Calculate  (a). Keq for…

Q: 1. How many ml of NaOH in preparing 50 g of it in 1N of solution (Na- 23, O -16, H-1)

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

Q: 1. Considering the trends in the periodic table for atomic radii, ionization energy, and electron…

A: Solution.                  Given that  Atomic radii Fe and Ba

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Q: Provide the structure of the reactants necessary to prepare the following compound using the Wittig…

A: The structure of the reactant needed to prepare the given product using wittig reaction = ?

Q: 2. Which would provide the largest error in the determination of the reaction order in the…

A: Chemical kinetics is branch of chemistry in which we deal with the speed at which rate of reaction…

Q: Which term is not correctly matched? endothermic - energy is absorbed universe - system plus…

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Q: Consider the following equation carefully, and determine the sign of AS for the reaction it…

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Q: the properties below apply to the -(CH I that apply. plymer formed by splitting out addition polymer…

A: It is formed by Adipic acid and hexametyldiamine So , it is condensation polymer.

Q: In each of the following, enough data are given to calculate the indicated parameter(s).…

A: Answer: According to Beer-Lambert's law A=εbC Here: A=absorbanceε=molar absorptivityb=path…

Q: Draw the two chair conformations of the following compound A, and indicate which is more stable.…

A: For six membered ring chair form is drawn for the stability of the compound. In chair form…

Q: A reaction has a rate constant, k = 1.29 s-1. What is the half-life (seconds) when the initial…

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Q: (a) (R)-2-Bromobutane undergoes light-induced reaction with Br2 to yield a mixture of products,…

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Q: State and explain why 99m Tc is used in preference to 1231 for investigating cerebral blood flow in…

A: The answer is attached-: