Draw the main Lewis structure of NOF.
> 1. Give the common name for the following compound: Ph−C≡C−Ph 2. Give the common name for the following compound: 2,2-dimethyloct-3-yne 3. Give the common name for the following compound: hexa-1,5-dien-3-yne
> Give the common name for the following compound. N.
> Give the common names for the following compounds: NH2 он click to edit
> Which of the following processes are exothermic? Which of the following processes are exothermic? NaF(s) ? Na*(g) + F'(g) Li(s) ? Li(g) CI2(g) ? 2CI(g) Br(g) + e ? Br (g) None of the above are exothermic.
> Fenofibrate, a benzophenone derivative, has been used until recently to lower triglycerides and low-density lipoprotein (LDL) cholesterol, thus increasing high-density lipoproteins (HDLs). Starting from benzene and any other necessary reagents, complete
> Draw two additional resonance structures for the diene given below to illustrate that the formyl group (-CHO) is an electron withdrawing group by resonance. :
> Draw resonance structures for the following structures, and include the electron movement. СHM 221-M50 Lab 02 Resonance Structures K : NH2 E L : NH2 -E m. M CHO H. -E N сно --
> Provide five additional resonance structures (excluding the original structure) for the molecule shown below. CH30- -CEN
> Is water a good buffer? Confirm your answer by referring to your experimental results in Table 4.1.
> Identify the product of the Diels-Alder reaction below, taking effects of the substituents into account (draw resonance structures!!) CHO CHO CHO CHO CHO CHO CHO
> CHM 221-M50 Lab 02 Resonance Structures & N = CHM 221-M50 Lab 02 Resonance Structures NH2 LNH м сно N CHO Resonance Structum NEN N: H. O: :NH2 H LE Resonance Structure K :NH2 E L : NH2 M CHO -E
> Rank the indicated bonds in order of increasing bond polarity. H3C. H3C H. C=S C=0 H3C. NH HạC. CH2 C=CH C=N
> Determine the overall charge on each complex. a. hexafluoroaluminate(lll) b. triamminetriiodocobalt(lll) c. diaquadichloroethylenediaminecobalt(lll)
> Metanoia requires 0.045 M of KF solution during lab; however, her instructor warns about the danger of placing a solution of less than 4 pH in a bucket susceptible to breakdown. To mitigate this risk, she wishes to calculate the pH to guarantee that her
> What is the best acid-base description of the image? A. diprotic acid B. A binary acid C. An amphiprotic molecule D. A Bronsted-Lowry base H.
> Calculate the pH of a 0.045 M KF solution Hint: Evaluate if the cation or the anion disturbs water's equilibrium. If the cation disturbs water equilibrium, find Ka and solve as an acid. If the anion disturbs water's equilibrium, then find Kb and solve as
> A 10.8 g sample of methylammonium chloride, CHNHCl, is dissolved in enough water to make 250. mL of solution. Calculate the pH. Use Table 15.4 for relevant K values. Calculate the pH of a 0.045 M KF solution.
> a. What are the requirements for hydrogen bond formation? b. Alcohols are organic molecules defined by the hydroxyl (OH) functional group. The simplest alcohol is methanol, CH3OH. Draw Lewis structures showing two methanol molecules interacting with each
> Provide the IUPAC name for this compound.
> Is water a good buffering system? Explain your scientific reasoning.
> For each of the following: Determine the total valence count Draw a valid Lewis structure Determine whether the molecule is polar or nonpolar CH2Br2 SeS2 KrF4
> Draw the Lewis structure for KrF4 and answer the following question. What is the hybridization on the central atom? dsp3 sp sp2 sp3 d-sp
> Label the functional groups in the molecule. alkaxy group -> halo group hydroxy group alkoxy group Br halo group amino group halo group → Hơ NH - amino group halo group amino group → HƏN
> CIO2 KrF4 Lewis structure Total # of valence electrons electron groups (domains) on central atom resonance structures (Yes or No) Molecular geometry Angles around central atom Formal charge on central atom Polar CIO2 KRF4 Lewis structure Total # of v
> Draw the Lewis structure for the trisulfur (S3) rule molecule. Be sure to include all resonance structures that satisfy the octet rule.
> Select the statements below that are TRUE. A. Benzene and its derivatives tend to undergo electrophilic aromatic addition reactions. B. Benzene and its derivatives tend to undergo electrophilic aromatic substitution reactions. C. Substitution reactions h
> A. For each formula, write the name for each compound (Don't forget Roman Numerals, if necessary.), and circle if the compound is Ionic or Molecular. Circle Compound Name Ionic or Molecular Fe(NOz)2 Ionic or Molecular 2 KCr;O, Ionic or Molecular (NH)
> For the molecule TeF6 give the following: Lewis Structure (include normal, wedge, and dotted lines when necessary), Number of valence electrons, Number of bonded atoms on central atom, Number of lone pairs on central atom, Central atom steric number, Bon
> Show how to carry out the following transformation. Br
> Show how to carry out the following transformation in the highest yield possible. Select the appropriate reagents and draw the correct organic product at each step. Overall reaction (not graded) Br Select answer Select answer
> Using Lewis structures, show the interaction between two molecules of C2H5NH2 and name the type(s) of interactions involved.
> Show how to carry out the following transformation in the highest yield possible. Select the appropriate reagents and draw the correct organic product at each step. Overall reaction (not graded) Select answer Select answer
> Show how to carry out the following transformations: CH3 CH3 HN CH3 CH3 HN OH a. b. HN CH3 CH3 HN CH3 CH3
> Show how to carry out the following transformations. Include all reagents, all intermediates and relevant. a. Ph ? b. C. ?
> Show how to carry out the following transformations: а. Но NH HN CH3 CH3 CH3 CH3
> Synthesis problems: show how to carry out the following transformations. CI N. H HO, H. NHCH3 OCH3
> For a particular isomer of C8H18, the following reaction produces 5093.7 kJ of heat per mole of C8H18(g) consumed, under standard conditions. For a particular isomer of CeHsg, the following reaction produces 5093.7 kJ of heat per mole of CeHelg) cons
> Draw the mechanism for the acid-catalyzed dehydration of 2-methyl-2-pentanol to yield 2-methyl-1-butene.
> Provide detailed mechanisms for the dehydration of 2-methyl-2-pentanol. OH H2SO4, H2O THF, heat
> What is the mechanism for the complete dehydration of 2-methyl-2-pentanol?
> Which product(s) would be produced by acid-catalyzed dehydration of 2-methyl-2-pentanol? and and
> Structural formula Condensed Structural Formula Lewis Structure CH3OCH2CH3 Condensed Structural Formula Lewis Structure CH;OCH;CH; CH,CO,CCH, C;H;NH2 C,H,CO;CH3 CH.CONHCH, CH;COCH, CH,COH CH,OH CH;CH;CO,H
> The names of some compounds and values of Lattice energy are given B below. (Not in any order) Compounds: MgBr2, AlBr3, CaBr2, LiBr Lattice energy KJ/mol: 2176, 5361, 807, 2440 The Lattice energy of CaBr2 is A. 2440 KJ/mol B. 2176 KJ/mol C. 5361 KJ
> The lattice energy of CaBr2 can be calculated using the BornHaber Cycle. Explain in words why you would expect aluminum chloride to have higher magnitude lattice energy.
> Draw the following line structure. a. 6-neopentylnonadecane b. 1-cyclopropylpentane c. Trans-1-ethyl-4-isopropylcyclohexane
> For trans-1-ethyl-4-isopropylcyclohexane, which two chair conformations are in equilibrium? A A D
> 4. Consider the two possible Lewis structures of NOF: / a. Are the two Lewis structures resonance structures? Answer: Yes or No b. Identify the most likely structure of NOF. Answer: Structure (I) or Structure (II) 5. Draw all the resonance structures
> Give the IUPAC name for each compound. 10.72 Give the IUPAC name for each compound. H CH3 CH,CH2CH2CH3 (a. GH,-c-CHCH, ČH,CH3 c.) CH,CH,CHCH,CH,CH,CH3 CH3 b. gH,CH2 CH2-C-CH,CH2CH d. (CH,CH),CHCH(CH,CH3)2
> for a particular reaction, delta H= -144.6 kJ and delta S = -301.2 J/K Calculate the delta G for this reaction at 298k 1. delta G in KJ? 2. what can be said about the spontaneity of the reaction at 298k? a. spontaneous in the reverse direction b. spontan
> Write the common names for these amines. In each reaction box. place the best reagent and conditions from the list below. a) HạC-N--CH2-CH3 H b) propanamine NH2 1) 2) 3) 4) NO2 5) 6) HNO2, H2SO4 CH3COOH H2. Pd NaNO3 HNO3, H2SO4 acetyl chloride, pyri
> Draw the electron-dot structure for CHClO. Can someone explain to me why Oxygen bonds to carbon and not to chlorine. As well as why carbon takes electrons from Oxygen and not Chlorine?
> The following reactions convert 5-bromo-S-methyl-hexanol I (C7H15BrO) into a structure with molecular formula C7H14O. Reactions A and B provide the same product while reaction C provides more than one product / (two)What organic product do reactions A
> 1. Draw the Lewis structure for O? 2. Draw the Lewis structure for Ca2+ 3. Draw the Lewis structure for S2- 4. Draw the Lewis structure for CH2Cl2. 5. Draw the Lewis structure for Bel2. 6. Draw the Lewis structure for OF2.
> 21. Draw the Lewis electron structure for the sulfide ion 22. Draw the Lewis electron structure for the chlorine atom. 23. Draw the Lewis electron structure for the Cl; molecule. 24. Draw the Lewis electron structure for the HI molecule. 25. Draw th
> Draw the electron-dot structure for CHClO.
> Rank these compounds by boiling point. Pentane, neopentane, and hexane.
> In each reaction box, place the reagent and conditions from the list below. 1) E-H 2) CH2 3) 4) 5) 6) но H2О2, NaOH, H20 CH3B H2, Pt NANH2 На, Lindlar's catalyst CrO3, H2SO4, H2O CH3CH;Br NaBH4 N2OH CH3CH2CH2B BH3/THF
> In each reaction box, place the best reagent from the list below. Draw the intermediate compound. -OH PCC Reagent A ethyl acetate NABH4 Mg in Etz0 PBr3 NaH ethylene oxide acetone 1) Reagent B 2) CO2 3) H30* -соон CH2CN 1) H. 2) 3) CH;NH2 Mg, Etz0
> Give the products in the following acid-base reactions. Identify the conjugate acid-base pairs. ) NH,* + CH,COO- Conjugate acid-base pairs: NH, NH,. CH3CO0", 6 s* + H2SO, Conjugate acid-base pairs: H2SO,, HCIO, + N¿H4 - Conjugate acid-base pairs: H
> What is a correct conjugate acid-base pair in the following reaction? NH3 + NgH5 = NH4* + N2H4 A NH3, N2H4 NH3, NH4+ NH4+, N2H5 NH4, N2H4
> 1. Which acid is the strongest? a. boric acid b. phosphoric acid c. sulfurous acid d. chloric acid 2. The position of equilibrium lies to the right in each of these reactions: N2H5+ + NH3 → NH4+ + N2H4 NH3 + HBr → NH4
> Name the following compound NO2 POINTS: 1 2. Name the following compound Br NH2 NO, F. Br NH2 C1 OH
> Write the Lewis dot structure for TeF2, TeF4 and TeF6. Is the octet rule satisfied for Te?
> Label the phase diagram for carbon dioxide. liquid gas solid-liquid equilibrium liquid-gas equilibrium solid-gas equilibrium triple point solid Temperature (°C) Pressure (atm)
> Mass of flask and foil (g)= 70.2976 Mass of flask, foil and condensed vapor(g)=70.5765 Temperature of boiling water bath (C)=99 Volume of flask(mL)=156 Barometric pressure(mmHg)=754.1 Room temperature(C)=30 Vapor pressure at room temperature(mmHg)=
> The measured volumetric flow rate of ethane at 15.0 atm absolute and 85.0°C is 1.00 x 103 L/h. Using an estimated value of the second virial coefficient in the truncated virial equation (Equation 5.3-2), calculate V, estimate the compressibili
> 5. A 3 ft3 rigid tank is initially empty. The tank is quickly filled with air from a line that is at 100 psia and 540°R.The final pressure in the tank is 100 psia. a. What is the final mass of air in the tank, in lbm? b. What is the final temperature o
> Find the area of the shaded region. x = y° - 6 y 27 9 WebAssign Plot -10 – 5 x = 3 y- y -5- 5.
> Find the area of the shaded region. Find the area of the shaded region. Find the area of the shaded region. y WebAssign Plot 2 x = y - 9 y=1 x = e -10 -8 -6 -4 -2 2 4 y= -1 -2 3.0- (1, e) 2.5 2.0 y = e* 1.5 1.0 y =xe WebAssign Plot 0.5 -1.0 -0.5 0.
> Find the area of the shaded region. 8 3 y 3. * = y" - 4 y= 1 -2 2. y =-1 -3 WebAssign Plot
> Find the area of the shaded region. 4 WebAssign Plot 3 2 Xa,1) (1,1) y 4 2.
> Find the area of the shaded region. x = y - 2 y = 1 x = ey X -3 -1 2 3 4 y = -1 3. 2.
> Find the area of the shaded region. y 3.아 (1, e) 2.5 2.0 1.5 1.0 y = x e* 0.5 -1.0 -0.5 0.5 1.0 1.5 2.0
> Which of the following is a correct statement concerning the function f(x) = √1+x, on the interval [0, 4]? (a) MID(10) < LEFT(10) < S ƒ(x) dæ < RIGHT(10) < TRAP(10) (b) LEFT(10) < TRAP(10) < S f (x) dx < MID(10) < RIGHT(10) (c) RIGH
> Solve the following initial value problem using undetermined coefficients method: Solve the following initial value problem using undetermined coefficients method: y +y = sint y(0)= 0.5 , and y' (0) = 0 y +0.1y +y= sint y(0) = 0.5 and y' (0) = 0
> ∑_a n is a series of constants for which Which of the following statements is always true? lim, , o a, = 2 { a n} diverges A. {a,} converges В. Σα, 2 C. O D. O converges to a finite sum E. None of these
> Prove that the integral on the left is equal to the function on the right and demonstrate that they have the same properties. 1 dt = In x t.
> Define these term: Norm of a vector Unit vector Normalizing a vector Orthogonal vectors Vector space Subspace Linear combination of vectors (v1, v2,….vn) Span of sets S Linear independence Linear dependence Coordinate vector Dimension Basis
> Find the area of the shaded region. y x= y² - 8 y=1 -2 WebAssign Plot 4 y -1 -2 -3 2. 3.
> Match the following: Bond issued at Discount ✓ Bond issued at Face amount Choose The stated interest rate is more than the market interest rate Question 10 4 pts Match the following: Bond issued at Discount V[ Choose ) The stated in
> Describe the basis of sex-influenced traits compared to sex-limited traits. include theoretical or actual examples.
> Differentiate between sex-influenced, sex-linked, and sex-limited traits/characteristics.
> What is a sex-influenced trait? What is a sex-limited trait?
> Sex-limited traits are different from sex-influenced traits in that: Select one: a. sex-limited traits are inherited on the X-chromosome b. sex-influenced traits are inherited on the X-chromosome c. sex-limited traits have higher penetrance than sex-infl
> Which of the following is a correct statement regarding photosynthesis and respiration? A. Photosynthesis releases oxygen B. Respiration produces glucose C. Photosynthesis produces water D. Respiration releases oxygen
> Nitrogen (N) is more electronegative than hydrogen (H). Which of the following is a correct statement about the atoms in ammonia (NH3)?
> How do neurofibrils differ from nerve fibers? A. Neurofibrils are confined to dendrite receptor areas and are consequently not found in nerve fibers. B. Neurofibrils are axon subunits that are bundled together to make up a single nerve fiber. C. Neurofib
> AFTER malaria is cured, the frequency of the HbS allele should decrease in regions with lots of mosquitoes because: People will no longer die from sickle-cell anemia in these regions. Having one copy of the HbS allele will no longer be advantageous in th
> Some bacteria are metabolically active in hot springs because: a. they are able to maintain a lower internal temperature. b. their enzymes have high optimal temperatures. c. their enzymes are completely insensitive to temperature.
> 7. Potato, rice, bread are examples of items having starch. For diet it is recommended to eat lettuce, spinach &.... that provide cellulose. Both starch and cellulose are polysaccharides and are made of only glucose. Why we are able to digest starch but
> Cellulose and starch are examples of animal polysaccharides disaccharides lipids plant polysaccharides
> For the attached file, flowers on which peak(s) has(have) only two phenotype differences from flowers on Peak 5? O A. Peak 4. O B. Peak 3. O C. Peak 2. D. Peaks 2 and 3. O E. Peaks 1, 2, and 3. Peak 2 Peåk 6 Peak 7 Peak 3 Peak 4 Peak 1 Peak 5 Anthers
> The three signs of an autism spectrum disorder are A. inadequate social skills, impaired communication, and unusual play B. inadequate social skills, low intelligence, and impaired communication C. impaired communication, unusual play, and low intelli
> Some bacteria are metabolically active in hot springs because?
> Which of the following is true regarding sex limited traits? They are always X-linked They are phenotypically expressed in only one sex. They are recessive in one sex and dominant in the other. They do not exist.
> Which phenomenon explains differences in the ability to produce milk between males and females in certain mammalian species? A. sex-limited trait B. sex-influenced trait C. incomplete penetrance D. variable expressivity
> Match the pedigree with the correct sex-related inheritance. Pedigree 1 Pedigree 2 Pedigree 3 Pedigree 4 RR XY XX RR DD dd rr II 3OT Dd Dd II II II XRY X*X X*Y Rr Rr Dd dd rr Rr Rr Rr Rr Rr III DD dd Dd dd Dd Dd II Rr Rr rr RR Rr rT X'X X*Y XY X*X rr
> Which result from genes on the X-chromosome? A. sex-limited traits B. sex-influenced traits C. sex-linked traits D. A& C E. All of the above
> Pattern baldness produces different genotypic and phenotypic ratios depending on sex. This is an example of a: A. Sex influenced trait B. Sex linked trait C. Epistatic trait D. Sex limited trait
> Would a genetic mutation that affected a woman's Fallopian tubes be considered a sex-limited trait or a sex-influenced trait?
