Answer Q34, 35, Select from A to D the appropriate type ofmechanism for each of the reactions representedby the following equations31KCI2.NaClmagnesi[DJPCI,Questions 25-30 concern the following graphs:Brenergies37formaticY+ BrBr(B](A][B|[C|[D|[DI.3832CH,BrB.CH,HBrTrue"(A).(A||B||C||D|33 C,H,,Br + 0 -CH OH t Br(Di39invelveSelect the graph which best fits the propertydescribed in cach questionAJ VI|C VO34 Call):IBr-C.Hy:Br40The clectrical conductivity (Y) of asample of a hydrochloric (X) acid as a volume ofaqueous sodium hydroxide (X) is progressively25Iallollullviovide35NO41added"ONcan be26The rate (Y) of a zero order reactionEirBragainst the concentration (X) of a reactant42JAB] (C (D]The number of molecules (Y) in a gasQuestions 36-38 are based on the energydiagram shown helow27having energy (X) at a given temperatureMg 1202Questi28The mass of a catalyst (Y) against timeĐirecti(X) of a reaction.[AI[B] (C) [D]The rate (Y) of a reaction against the29DecideDecidetemperature (X).[A|[B] [C] [D]Mge +2CThenteiJA][B].30The rate (Y) of a second order reactionagainst the concentration (X) of a reactant.[A] [B] [C] [D]Al,statem[C).[D].MgClQuestion 31-35 concern the following types ofreaction mechanismsThe enthalpy change AH. representsThe ionization energy of gaseous36Erne adinnt heritutinn[AJ.FAINucleophilic substitution(C) Electrophilie addition[DJ. Electrophilic substitution[BJ.[B.Double the first ionization energy ofgaseous magnesium atoms21

Electrophilic addition is characteristic reaction of Alkenes while aromatic compounds mainly shows…

Answered: 34 CallBr Ial Lollullvi 35 NO NO Bir Br…

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Chemistry

34 CallBr Ial Lollullvi 35 NO NO Bir Br J 18 an basd n the enerus

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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On the following page are three compounds, 1, 2, and 3, that have been investigated as anti-malarial candidates. Compound 1 is the "parent" molecule, and 2 and 3 are derivatives. Shown next to each molecule is (i) the enthalpy change when it binds to its target, and (ii) the dissociation constant for the molecule/target complex. Consider the structures and answer the following: AH = - 1.2 kcal/mol; Kp = 16 nM OH 1 HO AH = - 6.0 kcal/mol; Kp = 76 nM OH AH = - 5.5 kcal/mol; Kp = 0.5 nM OH 3 (i) What is the difference among 1, 2, and 3?
7. Write defect equations for the following reactions: (a) MgO doped with Li₂O (b) Slight reduction of PrO₂ (c) TiO₂ doped with Ga₂03 (d) LaCoO3 doped with CaO (e) MgAl2O4 doped with V₂O3 to form Mg(Al2-xVx)204
2. In a laboratory experiment you react 20.0 mL of 25% by mass C2H&N2 with 8.000 NiCl2.6H20 to obtain the product Ni(NH2CH2CH½NH2j3Cl2 complex. The C2H3N2 solution used in this experiment is 25.0% by mass, with a density (d) of 0.950 g/mL. (MW NICI2.6H2O= 237.69 g/mole, MW C2HgN2=60.10 g/mole, MW tris(ethylenediamine)nickel(II)chloride = 309.89 g/mole) a. Write down the balanced equation of the synthesis. b. Determine the number of moles of each reactant that you use. c. Determine which reactant is the limiting reactant, giving your reasoning. Show all your work to get full credit. (5 points) d. Calculate your percent yield if the dry product weighs 7.000 g.
28. (a) (b) (d) Br 1) CH3CH₂CI, AICI3 2) Br2, light 3) t-BUOK 4) HBr, light Br Br Br Br 10 P
/cvg.cengagenow.com/ilm/takeAssignment/takeCovalentActivity.do?locator=Dassignment-take&takeAssignmentSessionLoca [References] Sodium bicarbonate and acetic acid react according to the equation NAHCO, (aq)+ CH, CO, H(aq) NaCH, C0,(() + CO2(g) +H,O(t) What mass of sodium acetate can be obtained from mixing 10.0 g of NaHCO, with 300, mL of 0.450 M acetic acid? Mass Submit Amswer Try Another Version 10 item attempts remaining
(f) Potassium permanganate (g) Sodium hypochlorite (h) Beryllium bicarbonate (1) Ammonium dichromate (G) Iron (II) chloride
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The following reaction is the basis for automatized breath tests for the detection of alcohol(e.g. the Breathalyzer):C2H6O + Cr2O72- --> C2H4O2 + Cr3+ The Cr2O72- ions generate a reddish orange aqueous solution that changes to green as Cr3+ ions are produced due to the reaction with ethanol (C2H6O). a) Write the two half-reactions and identify which is a reduction reaction and which is an oxidation reaction.b) Balance this redox reaction in basic conditions.