What is the current that must be passed through solution AuCl3 for 200 second to precipitate 3g from gold on cathode? (At.wt Au= 197, Cl=35.5). a. 27 A b. 15 A c. 22 A d. 33 A

Q: Question 2 The most likely van't Hoff factor for an 0.01 m Cal2 solution is O 1.00 O 3.00 O 1.27…

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Q: A saturated solution of Ca(OH)2 at 20 °C has a concentration of 0.0233 M. What is the Ksp for…

A: The solubility product constant can be determined by the molar solubility of the compound. It is…

Q: 1

A: Given data: Current density, j = I/A = 0.86 Amp/m2  Molecular weight of the steel, M = 55.58 g/mole…

Q: Identify the RELATIONSHIP of the two structures: a. diastereomers O b. different compounds O c.…

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Q: A solution of a particular type of sugar (molar mass = 342 g/mol) was prepared by dissolving 72.5 g…

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Q: D Question 26 For the equilibrium system below. CH₁ (g) + H₂O (9) CO (g) + 3 H₂ (9) which…

A: The shifting of a reaction is determined based on the Le Chatelier's principle. According to this…

Q: 1. When a liquid becomes a solid does it expand or contract? 2.Predict why it is hard to elevate…

A: The compounds in the liquid phase have no fixed shape, however, the compound in the solid form has a…

Q: What will be the multiplicity (splitting pattern) for the hydrogen in bold in this structure…

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Q: Question 49 The spheres below represent Li, Be, B, and F (not necessarily in that order). I. III.…

A: Atom is made up of protons, neutrons and electrons. Nucleus is made up of protons and neutrons.

Q: Question 43 Which set of four quantum numbers could describe the 30th electron in a ground-state Zn…

A: we  have to find the set of quantum numbers that will describe the 30th electron of zinc atom in the…

Q: Find a synthesis route for the transformation below Br

A: In this question, we will synthesized the final organic product from the starting material by using…

Q: 7. Aluminum metal weighing 2.82 g is exposed to 2.56 g oxygen gas to produce aluminum oxide. (Molar…

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Q: Consider the molecule below: H₂C H₂C CH₂CH3 CH₂CH3 Consider rotation around the indicated bond. [1]…

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Q: Draw the major product of the following reaction: H₂CO H₂CO H H C=C H H heat

A: Here we have to write the major product formed in the following given reaction.

Q: SIC1₂ vapor. proofed by coating it with a silicone layer. This is done by exposing the cloth to…

A: Given as, n(CH3)SiCl 2 +2nOH→2nCl- +nH2O+[(CH 3)2SiO] n ​

Q: Describe the type of reaction that is occurring: Silver nitrate, an aqueous solution reacts with…

A: Double displacement reaction are the reactions in which mutual exchange of ions takes place.…

Q: Ration strength when 250 ml solution contains 750mg active ingredients.

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Q: Expressing amounts of energy in different energy units is necessary to solve many chemistry…

A: The SI unit of energy is Joule J .1 calorie cal = 4.184 J1 kWh = 3.600 × 106 J

Q: For which of the following reactions would the equilibrium concentrations NOT be affected by a…

A: Given,  Consider the set of equilibrium reactions: a. 2 NO2(g) ⇄ N2(g) + 2 O2(g) b. N2(g) +…

Q: Question 14 of 30 Provide the correct IUPAC name for the compound shown here. OH Submit

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Q: Molecular Lewis Formula Structure 1. CIF3 2. BC13 3. CC14 Total Nonbonding Electron Pair Geometry…

A: We are only allowed to solve 1st three subparts acc. to guideline. Thank you.

Q: What is the pH of a 5.41×10-3 M solution of the strong acid HClO4? HClO4(aq) + H2O(ℓ) → ClO4-(aq) +…

A: Given that; Molarity of a strong acid HClO4 = 5.41×10-3 We have to calculate its PH value? So we can…

Q: Determine the percent yield for the reaction between 3.2g of Na and excess O2 if 4.1g of Na2O is…

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Q: Why is the oxidation state of Fe 2.5?

A: Iron is a transition metal. It can exists in more than one oxidation state in the bonded state.

Q: 11. After balancing the following redox equation Fe+2+ MnO4 → Mn¹2+ Fe +3, no. of moles of ferric…

A: The answer to the following question is-

Q: What type of amino acids would you expect to find in a Na+ ion channel?

A: Proteins are made up of amino acids. Proteins fold in to complex three dimensional shapes.

Q: Write extensively on effect of temperature on atomic spectroscopy

A: Spectroscopy can be defined as branch of science that deals with study of structures of molecules…

Q: Consider the following reaction: 3A (aq) + B(aq) = C(aq) + 2D (aq) In a 3.0-L reactor, 1.10 mol of A…

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Q: H Which of these statements are true for a neutral, aqueous solution at 25 °C? [H+] = [OH-] pH =…

A: Given,  The true statement for a neutral, aqueous solution at 25 °C is:

Q: What is the pH of the solution that results from mixing 25 mL of 2.20×10-2 M NH3 and 25 mL of…

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Q: 1-In (Cathodic protection system) sacrificial anode, which is more voltage than the metal to be…

A: The Anode is negative or reducing electrode that releases electrons and oxidizes during and…

Q: Determine the number of chiral center(s) is /are present in the molecule below: a. 3 O b.2 Oc4 O d.5…

A: A chiral center is an atom to which four different atoms or groups of atoms are bonded. So basically…

Q: 4: Calculate the molecular weight of cyclodecane, C₁0H20, reporting answer with correct units (if…

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Q: Q4:-Put a mark of true or false in front of the following statements and correct the error, if any:-…

A: In an electrochemical cell, both oxidation and reduction reactions takes place. During a redox…

Q: 26. What concentration of lead (II) iodide can dissociate in 3.00 M potassium iodide? ksp=[Pb²+][1]…

A: The answer is 9.4×10-10M

Q: Explain in a sentence or two why the following reaction is not likely to occur: NO₂ NO₂ CH3CI AICI 3…

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Q: 5- Br Mg/ether 1. 2. H₂O H

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Q: as Question 47 EEU Consider the diisotopic element represented below. element? O forms colored…

A: these given Element is K ( we are saying this on the basis of their atomic masses given in the…

Q: D Question 31 N₂ (g) Which is the sum of the coefficients when the reaction below is balanced using…

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Q: Provide the IUPAC name for the molecule below:

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Q: O BaCl₂ + 2Nal → Bal₂ + 2NaCl Ba(NO3)2 + Na2SO4 → BaSO4 + 2NaNO3 NaNO3 + BaSO4 → BaNO3 + 2Na2SO4…

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Q: Write the empirical formula corresponding to aspirin, C₉H₈O₄.

A: Empirical formula  Smallest whole number ratio that exists between a compound's constituent…

Q: How many Faraday is needed to deposit 5 moles of Magnesium (Mg) from MgF2 solution using…

A: Given,  5 moles of Magnesium (Mg) deposite from MgF2 the number of Faraday is needed in the…

Q: n 11 Correct Complete the following synthesis by selecting from the list of 10 reagents below. Each…

A: Note:  we are going to expand the carbon chain using epoxide.

Q: Question 17 Which rate law is consistent with the mechanism below? 203 302 03 0₂ +0. 0 +03-202…

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Q: Quien below Some ontions & which of the tectrolyes NHued, NH₂OH, CH3Cook, weak H₂B03, CarOHT₂, HNO3,…

A: Electrolytes : These are chemical species which conduct electricity when dissolved in…

Q: What is the numerical value of the equilibrium constant at 25°C for the reaction below? 2 SO₂ (g) +…

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Q: Identify the product of this reaction. Use curly arrows to support your reasoning for the answer. Å…

A: Here we are required to predict the product of the reaction

Q: - what are The Principle and process of chemical Vapor Deposition (CVD) ?

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Q: What is the reaction quotient, Q, for aSO4, when the [CaSO4] = 0.0102 M. CaSO4(s) Ca²+ + SO²- 4 Q =…

A: Gg