What is the molar solubility of lead chloride (PbCl2) in a solution that is also 0.117 M in sodium chloride (NaCl)?  The Ksp for lead chloride is 1.7 x 10-5.

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Q: 2+ The free energy change for the following reaction at 25 °C, when Cu²+ = 1.12 M and [ca²+] =…

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Q: Gallium hydroxide is a very sparingly soluble ionic salt.  Given the molar solubility of gallium…

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Q: Question 3 The pH of an aqueous solution is 4.22. What is [H] for this solution? O-0.63 M O 1.7x104…

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A: ,

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A: Given data Ni2+(aq) + 2e-  → Ni(s),  E°red = -0.250 V Cr3+(aq)  + e-→ Cr2+(aq), E°red = -0.410 V The…

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Q: 52. Which species contains three sigma bonds and one pi bond? (A) PF3 (B) NH (C) C₂H₂ (D) CO,²-

A: we are given 4 chemical groups and asked to find the compound containing 3 sigma and 1 pi bond.

Q: 1. Which of the following can react as a nucleophile. (A) (CH3)₂BH (B) (CH3)2NH (C) (CH₂)₂ H (D)…

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Q: Gallium hydroxide is a very sparingly soluble ionic salt.  Given the molar solubility of gallium…

A: The solubility product Ksp of a salt AxBy  AxBy = xAy+ + yBx- having molar solubility 'S' is given…

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Q: Question: Draw aspartic acid in it's zwitterionic form with correct charges. The structure of…

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Q: The standard cell potential E°(cell) is +0.77 V for the redox reaction 2 Fe³+ (aq) + H₂(g) 2 H+ (aq)…

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Q: The enthalpy for a certain process is 146.4 kJ/mol and the entropy for the process is 463.6 J/K.  At…

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Q: Suppose your body was able to use the chemical energy in gasoline. How far could you pedal a bicycle…

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Q: Consider the structure of the peptide below and answer the questions that follow. H₂N. CH₂ O CH₂ H₂C…

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Q: O2.16 atm Predict the products for the following reaction (ignore balancing): Zn (s) + O Zn(SO4)2…

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A: PMe3 and BMe3 form a strong bond when they react with each other.

Q: Construct an ICE table for the equilibrium reaction of the salt LINO₂P2 in water. For initial…

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Q: he sum of the entropy changes of the system and the surroundings (∆SSYS + ∆SSURR) are:

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Q: A compound contains 12.8% C, 2.1% H, and 83.1% Br (by mass). Calculate the empirical formula and the…

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Q: Decide how the compounds below will partition during liquid-liquid extraction of water with an…

A: Polar compounds soluble in polar solvents( H2O) Non polar compounds soluble in non polar solvents

Q: Draw the most stable conformation for each of the following substituted cyclohexanes; then, in each…

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Q: 1. What is the final pH of a buffer solution containing 245 mg of potassium acetate and 30 mg of ac…

A: Given -> Weight of potassium acetate = 245 mg = 0.245 gm Weight of acetic acid= 30 mg = 0.030 gm…

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Q: what mass of a 5.39% by mass copper(ll) sulfate solution

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Q: QUESTION 6 The molecule shown is a CH2OH ОН ОН protein O polysaccharide fatty acid lipid CH₂OH OH ОН…

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Q: How many isomers for this molecule? a. 5 6.6 c. 3 d. 4 now friary Isorners or urlis molecule ? Η Η Η…

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Q: A standard galvanic cell is constructed with Cr3+ | Cr2+ and Mg2+ | Mg half cell compartments…

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Q: Which of the provided schemes can be used to synthesize p-chlorophenol from benzen e? A. None of the…

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Q: Which refluxing apparatus is set up to keep moisture out? < OC OB and C OA O B T none

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Q: CO₂(g) + 2H₂O(g) → CH₂(g) +20₂ (g) C6H₁₂O6 (s)→ 6C(s) + 6H₂(g) + 30₂ (g) An AS = 2766. AG = KJ Which…

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Q: (c) Explain how ab initio method is different from semiempirical method.

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Q: Before the use of CFCs, sulfur dioxide was used as a refrigerant.  A sample of sulfur dioxide…

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Q: Consider the reaction: NH4Cl(aq) → NH3(g) + HCl(aq) Using standard absolute entropies at 298 K,…

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Q: Which statement about the properties of barium chle and mercury(II) chloride is correct? (A) BaCl₂…

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Q: Which of the following is the product of the acid-catalyzed reaction between acetone (CH3COCH3), and…

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Q: The major product that will form during the nitration of benzoic acid is? OA H-N OR ON oc OD. COOH…

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Q: (u) Is the following sugar digestible by mammals? Explain. CH2OH OH OH CH₂OH H ОН OH ОН ОН H OH ОН…

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Q: A bottled carbonated mineral water (i.e. closed system) has a pH of 4.9 and an alkalinity of 4×10-³…

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Q: Is “what is the typical distance a moped can be driven on a single tank of gas?” A statistical…

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Q: ts Which one of the figures below clearly indicates (without ambiguity) that the density of the…

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Q: Which of the following may potentially be used to contain fusion reactions? Select all that apply. a…

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