Given the reaction:     Fe+2 + Cr2O7 -2  → Fe+3 + Cr+3  How many electon/s was/were gained in the reduction process?     1     2     3     4     5

Q: For the reaction between 1-bromobutane and NaOH to form 1-butanol, what is the nucleophile? O OH O…

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Q: nsider an electrochemical cell constructed from the following naif cells. linked by a KCI salt…

A: 1.At cathode  reduction occure and it gain mass . 2. At anode oxidation occure and it lose mass.  3.…

Q: Which of the structures below corresponds to the dipeptide cysteylananine? The parentamino acids are…

A: Amino acids contain carboxylic acid and an amine functional group on the same carbon atom. Amino…

Q: Answer alse. 42.2 (f) In a solution that conducts electricity, cations migrate toward the cathode…

A: The answer is as follows:

Q: Question 11 In the electrochemical system, what is being described by the following? positive…

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Q: 1.7. 100 BTUS are absorbed by a gas while the gas expands and perform 700 BTUS of work. Calculate…

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Q: Which of these reagents is used in the Clemmensen reduction?

A: Clemmensen reduction = reduction of aldehyde or ketone to the corresponding alkane.

Q: hat is the hybridization of the carbon atom (in red) in the molecule shown? H-C=N : O sp O sp2 O sp3…

A: Which one of the following is correct

Q: CH3OH CH;CH=CHCH,Br

A: ->CH3OH is polar protic hence , there occur nucleophilic substitution reaction through formation…

Q: CH,OH CH3 CH,OH соон HO- 0=C H CHOH но —сн но —сн HC но to coOH —о, соон СНОН H H- HN H -HO- -он H…

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Q: HOw many electrodes does an electrochemical system normaly has

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Q: Which solvents are preferred for an SN2 reaction. Why is this? Which solvents are preferred for an…

A: SN2 means substitution nucleophilic bimoleculer reaction. In this mechanism, bond breaking and bond…

Q: Calculate the potential, E, for the following cell at 25°C: Cr| Cr3+ (0.0738 M) || Co2+ (0.825 M) |…

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Q: Which of the following chemical reaction will not occur? a. AgNO3(aq) + NaCl(aq) ------------>…

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Q: Give the correct IUPAC name for the following compound. For alkenes, when appropriate, indica…

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Q: The highly exothermic thermite reaction, in which aluminum reduces iron(III) oxide to elemental…

A: The given balanced thermochemical equation is 2Al(s) + Fe2O3(s) → 2Fe(s) + Al2O3(s), ΔH = -850 KJ…

Q: H2SO4 Compound Delta Ho (kj/mol) Delta So (J/k . mol) S 0 31.88 O2 -285.8 69.9 H2O 0 205 H2SO4…

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Q: Given the following at 25 °C and 1.00 atm: 2Fe(s) + 02(g) → 2FEO(s) 4Fe(s) + 302(g) 2FE203(s) AH° =…

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Q: Determine the cell diagram for the reaction below. Assume platinum electrodes are used when no other…

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Q: 42 Answer true or false. (a) The properties that make water a good solvent are its polarity and its…

A: (a) The properties that make water a good solvent are its polarity and its capacity for hydrogen…

Q: Alkenes are a(n) hydrocarbons. a) saturated b) unsaturated

A: General formula for alkenes :  CnH2n  If n = 2 , formula is C2H4  If n = 3, formula is C3H6

Q: What is the percent yield of CO 2 if the reaction of 10.0 grams of CO with excess O 2 produces 12.27…

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Q: Please help me with questions 1 and 2 1. What is an example of matter? A. Light B. None of the…

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Q: reaction intermediate is the same thing as a catalyst. True or False. Why?

A: Given, Identify true or false statement.

Q: Hexamethylenediamine (C6H16N2) is one of the starting materials for the production of nylon. It can…

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Q: H2SO4 + 2 KOH→ 2H2O + K2SO4; A) Determine the moles of KOH needed to react with 5.5 moles of H2SO4.…

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Q: The only true hydrocarbon polymer found in nature is Multiple Choice polystyrene. rubber neoprene.…

A: Polymers are the macromolecules, made up of a large number of repeating structural units called…

Q: For the aqueous Cd(CN), complex K, = 6.03 x 10° at 25 °C. Suppose equal volumes of 0.0040M Cd(NO,)…

A: Given: Concentration of Cd(NO3)2 = 0.0040 M Concentration of NaCN = 0.80 M And equal volume of both…

Q: Polypropene results from the polymerization of H A. CH-C B. CH-c CH, c. CH-c ĆN D. CH-C E. CH-C…

A: A polymer is a large molecule that is formed by the repetition of small units called a monomer, and…

Q: A system is allowed to expand from 5.56 L to 10.0 L at a constant pressure of 1.0 atm. What is the…

A: • The values provided in the question are:-      i) Initial volume of a system, V1 = 5.56 L    ii)…

Q: Write the complete electron configurations of: a. Cu2+  b Cr3+ c Fe3+ d Ti4+

A: Given :  Symbol of ions  Cu2+ Cr3+ Fe3+ Ti4+  To write :  Their complete electron configurations

Q: what mass of propane will fit in a 10L cylinder at STP?

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Q: 44. Identify the class of compound for each of the following hydrocarbon derivatives. (а) CH,—ОН (c)…

A: The class of the compounds is: a- Alcohols

Q: If  50.0 g Na2SO4 is dissolved in 750 mL of water what would be the  sulfate ion concentration ?

A: Given :  Mass of Na2SO4 = 50.0 g  Volume of water = 750 mL  To calculate :  Molar concentration of…

Q: Which of the following statements about an SN2 reaction is true? A. There are two transition states.…

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Q: Question 20 of 52 Complete and balance the following half-reaction in basic solution. Be sure p…

A: In this question we have to balance the chemical reaction in basic solution.

Q: draw structures of the appropriate products (i) Li- OCH3 (ii) (OC);Cr: (iii) ZrCl4 + Cp2SnMe2

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Q: Match the following bonding with the correct description. CC pi (n) bonding in CH4 molecule B-CI…

A: The orbital overlap in molecules depend on the nature of atoms involved and their orbitals . Also…

Q: Show all work to find the pH of a 0.675 M solution of the basic salt, NaA. the acid dissociation…

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Q: g. None are true B). Which is not true of acid halides and anhydrides (put all that apply)? a. Acid…

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Q: Rank the following compounds from highest to lowest boiling point. (e.g. if a > b, then a has a…

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Q: .0 mL sample of a 0.1100 M solution of aqueous trimethylamine is titrated with a 0.1375 M solution…

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Q: Consider the following structures: 1 2 3 Select the letters a, b, or c corresponding to the terms…

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Q: Which polymerization shown takes place by a condensation reaction? R-C-CH; + nH;C=CH; H: n NH CH;le…

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Q: Calculate the ÄE°rxn for the decomposition of calcium carbonate to calcium oxide and carbon dioxide.…

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Q: The equilibrium constant, K, for the folowing reaction is 1.20x1o2 at 500 K PCI,(9) PCIy(0)+ Clzla)…

A: Equilibrium constant K = 1.20 * 10-2

Q: how many times more acidic is a solution with ph 1 versus a solution with ph 4

A: Solution -1 => pH = 1 Solution -2=> pH = 4

Q: CH3 CH 3OH H3 C H2 CI Pd/C CH3

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Q: In scenario C, visible light is in the middle of the yellow region of the visible spectrum. Estimate…

A: Yellow light : yellow, in physics, light in the wavelength range of 570–580 nanometres, which is in…

Q: Show how to synthesize the following product as the major product starting with 2,2- dimethylpropane…

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