Calculate the standard free-energy change at 25 ∘C for the following reaction: Mg(s)+Fe2+(aq)→Mg2+(aq)+Fe(s)

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Q: The concentration of hydrogen peroxide decreases from O. 1 mol/L to 0.05 mol/L in 900 s at 240C on…

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Q: 4.When the equation below is balanced the coefficient of nitric acid, HNO3 is. Zn + HNO3 - Zn (NO3)2…

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Q: 3. How many grams are in 2.25 moles of each of the following? a. N2 b. NaBr c. C6H14 d. H2O

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Q: Choice 141 - 0-12 snucoon 564 + 10-1 jinucieon 137 - 10-2 sinucleon 548 - 10- Jinucieon

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A: The reaction between Na2S and ZnCl2 Molecular reaction  Na2S(aq.) + ZnCl2(aq.) ---> 2NaCl(aq.) +…

Q: Silver nitrate reacts with nickel to form Ni(NO3)2 and silver. To produce 0.7kg of silver, how many…

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Q: In the phase diagram of water, where is the liquid-vapor boundary? O c O B O A OD

A: Ans : A ( On OA curve the liquid and vapor at equlibrium). see below.

Q: Predict the major product of the following reaction. NaOH/H,0 Heat ?

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Q: Suppose for a synthesis of hydrogen fluoride from hydrogen and fluorine, 3.000 moles of H2 and 6.000…

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Q: A chemist adds 135.0 mL of a 0.069 mol/L potassium dichromate (K2Cr2O7) solution to a reaction…

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Q: Balance the reactions below using the change in oxidation number method. 1. РЬО, + HBr - PbBr, + O,…

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Q: 1. NH4CI, NaCN 2. H3o* H CHO он 1. NazCr207, acid 2. PBr3 Br2 3. H20 4. xs NH3

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Q: A reaction is experimentally found to follow the rate law, Rate = k[Aj? where k = 0.355 M'min1.…

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Q: Determine the moles of CO, produced when 4.04 moles of O, reacts with CH, 2 2 according to the…

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Q: Consider the following system at equilibrium where AH° = 87.9 kJ/mol, and K. = 1.20×10-2 , at 500 K.…

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Q: Calculate the wavelength of the photon absorbed by CO in the following vibration-rotation…

A: For CO Molecule Reduced mass mr  =mC×mOmC+mO=11.387×10-27 kg

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Q: A chemistry student weighs out 0.146 g of chloroacetic acid (HCH,CICO,) into a 250. mL volumetric…

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Q: 1-butanol yields 1-bromobutane in the presence of concentrated sulfuric acid and an excess of sodium…

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Q: 35. Does the following equation rep C-H H-C-OH HO-C-H Н-С-ОН H-C-OH CH,OH Glucose

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Q: Mg(s) + 2HCI(aq) → MgCl, (aq) + H2(g) + 1550kJ For this reaction at 25°C • Change in enthalpy: […

A: The reaction given is, =>

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Q: Discuss the factors that affect the solubility of a solid in a liquid and a gas in a liquid.

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Q: 0-H + HB + B

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Q: 125 moles of NOCI were placed in a 2.50 L reaction chamber at 427°C. After equilibrium was reached,…

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Q: Which of the following are not related as a keto-enol pair? он and HO and Он and and ÓH

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Q: In the phase diagram of water, where is the solid-liquid boundary? 218- E B 0.006- A 0.01 100 374…

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Q: For each of the reactions at constant pressure, determine whether the system does work on the…

A: Work done in chemical reaction- > W = -∆ngRT Where ∆ng = ng(product) - ng(reactant)