Chemistry Questions and Answers August 07, 2020

Drag the labels to their appropriate locations in thisdiagram. First use the labels of Group 1 to identify the atoms andcharges. Then use the labels of Group 2 to identify the bonds. Labels can be used once, more than once, or not at all. Keys: (-) (+) H O Ionic Bond Polar covalent bond Hydrogen Bond nonpolar covalent bond

Learning through Art Water Molecules and Hydrogen Bonding Part A Drag the labels to their appropriate locations in this diagram. First use the labels of Group 1 to identify the atoms and charges. Then use the labels of Group 2 to identify the bonds. Labels can be used once, more than once, or not at all. COOO nic bond polar covalent bond nonpolar

Draw the main organic products of the reaction. Indicate thestereochemistry, including H's, at each stereocenter. Omitbyproducts such as salts or methanol. UPDATED WITH CORRECT ANSWER:

Draw the main organic products of the reaction. Indicate the stereochemistry, including Hs, at each stereocenter. Omit byproducts such as salts or methanol. Br H CH3ONa CH3OH 8 Olli

What alcohol would you oxidize to produce the following carbonyl compound H3C CH3 HC COOH You do not have to consider stereochemistry.

macmillan learning The citric acid cycle has a catabolic role, oxidizing acetate into CO2 and generating energy, and an anabolic role. Many of the citric acid cycle intermediates serve as precursors for the biosynthesis of larger molecules. Move each of the following molecules to the precursor that gives rise to it. Hint malate fumarate

label each asymmetric carbon in the

OH HO enantiomer. 8) Label each asymmetric carbon in the compound below as R or S. CH3 CH3 OH CH3 9) Label each asymmetric carbon in the compound below as R or S. OH H H OH 10) Label each assymetric carbon in the compound below as R or S. CI 11) Draw the structure of (2R,3S)2,3dichloropentane. Take particul dimensional stereochemical detail

Classify each process as spontaneous or nonspontaneous. Spontaneous Water is separated into H and O gas at 25 C. A cup of hot coffee cools to room temperature. Perfume molecules spread out to fill the entire room. Iron rusts in moist air. Nonspontaneous Iron metal is extracted from iron ore. 0

choose the phrase that best describes the relative acid strength of these acids.

I Choose the phrase that best describes the relative acid strength of these acids. NH3 HSe Select answer is more acidic than has the same acid strength as is less acidic than Select answer HO HS

3. Equation for the hydrolysis of glyceryl triethanoate. C. Bromine Test for Unsaturation Lipids Stearic acid Wal Oleic acid Safflower oil Olive oil Oleic acid Study Questions 1. Color fades rapidlypersists 2. SaturatedUnsaturated Fatty acids Triacylglycerols Questions and Problems Q3 a. Draw the condensed structural formulas of stearic acid and

Consider an ideal gas enclosed in a 1.00 L container at an internal pressure of 10.0 atm.

Calculate the work, w, if the gas expands against a constant external pressure of 1.00 atm to a final volume of 10.0 L. Number W J Now calculate the work done if this process is carried out in two steps. 1. First, let the gas expand against a constant external pressure of 5.00 atm to a volume of 2.00 L. 2. From there, let the gas expand to 10.0 L

Can help me please?

In which of the following pure substances would hydrogen bonding be expected acetamide ethyl acetate hexane H H H H All of the Above H H HHH H 45

Define what a list of accounts is. What are the characteristics of this list of accounts? Describe the various classifications of accounts on the Chart of Accounts. Describe the steps to create an account list, add, modify or delete accounts in the Sage 50 (Peachtree) program.

15) A dose of aspirin of 5.0 mg per kilogram of body weight has been prescribed to reduce the fever of an infant weighing 8.5 pounds. The number of milligrams of aspirin that should be administered is A) 19 mg B) 53 mg C) 1.6 mg D) 5.0 mg E) 0.59 mg 16) An alloy of iron contains 75.0 iron and 25.0 other elements. How many grams of iron are

Draw structures for the two fragment ions of the highest mass from the following molecule. Explicitly draw all H atoms. -Define the charge on your fragment using the square bracket tool. -Do not include radical electrons in your answer. -If there is more than one way to draw a fragment, just give one way. -Draw one structure per sketcher. Add

References Draw structures for the two fragment ions of highest mass from the following molecule. ball stick Explicitly draw all H atoms. Define the charge on your fragment using the square bracket tool. Do not include radical electrons in your answer. If there is more than one way to draw a fragment, just give one way. Draw one structure

Draw the structure of the product of this reaction. 3 HC HC Assume that CHI2 is present in excess. Do not concern yourself with stereochemistry other than what is already specified in the structure. In cases where there is more than one answer, just draw one. Should you want to restart the exercise, the dropdown menu labeled starting points

8. All of the following orbital representations are allowed except a. 7s b. 3d c. Ip d. 4f e. 3p 9. The maximum number of electrons that can occupy the n4 energy level is a. 10 b. 18 c. 32 d. 36 e. 50 10. The principal quantum number of the valence electrons in an atom of lead is a. 2 b. 3 c. 4 d. 5 e 6

help please

Draw the structure of the compound identified by the following simulated H and 13C NMR spectra. The molecular formula of the compound is C10H12O. (Blue numbers next to the lines in the H NMR spectra indicate the integration values.) H NMR 1H 1 10 220 13C NMR 200 8 180 2H 160 2H 140 6 120 8 (ppm) 100 5 (ppm) 2H 4 80 2H1 60 2 40 3H T 20 0 0

The diagram below represents a spontaneous reaction (AG 0). Drag the labels to the correct bins. Energy Reaction progress uncatalyzed rxn AG standard free E of activation products reactants catalyzed rxn

Draw all the structural isomers for the molecular formula C4HgBr. Be careful not to draw any structures by crossing one line over another the system needs to know where you intend connections to be between atoms.

Draw the organic product of the following reaction. CH3 CH CHl2, ZnCu You do not have to consider stereochemistry. Indicate regiochemistry when relevant. The aromatic ring, when present, is unreactive in all cases. Do not draw organic or inorganic byproducts.

Draw the products formed when each ester is hydrolyzed with water and sulfuric acid. a) she 3C CH HC CH3 O HC CH HC OH CH c) (CH3)2CHCHOCOCHCH3 OH OH b) alr CH CHCH d) CH3OCOCHCH(CH3)CHCH3 Incorrect. 1CHCH Previous 60 Give Up View Solution OH H OH CH Try Again Next OH Map

current is applied to a molten mixture of PbF2, FeCl2, And AlBr3

Current is applied to a molten mixture of PbF2, FeCl2, and AlBr3. Standard potentials may be found here. Select the chemical species produced at the cathode. Select the chemical species produced at the anode. 0.00 Pb Fe Cl Br2 F2 Al Cl Fe Br Al F Pb

Someone please help! I can't figure it out :(

Calculate the cell potential for the following reaction as written at 25.00 C, given that Mg 0.889 M and Sn 0.0110 M. Standard reduction potentials can be found here. Mg(s) Sn (aq) Mg (aq) Sn(s) E Number 0

Which of the following amines will react with cyclopentanone pyridine (CH3)3N (CH3)3CNH2 CH3CHCHCHNH none of the above Submit Request Answer,Which of the following amines will react with cyclopentanone to form an enamine O pyridine O (CH3)3N (CH3)3CNH2 CH3CHCHCHNH none of the above Submit Request Answer Provide Feedback

Electrons are charged particles. The amount of charge that passes per unit time is called potential. O voltage. current. Charge is measured in joules (J). volts (V). coulombs (C). amperes (A). Potential is measured in amperes (A). joules (J). coulombs (C). volts (V). 0 The driving force for the electrons (i.e., the reason they are flowing in the

12. Which of the following aldehydes does not undergo an aldol addition when mixed with base CHCHCH 0 I. II. III. A) I B) II C) III D) IV E) V HCH CH3CH O CHCH IV. V. CH

Draw the nucleophile needed to convert 1bromobutane to the following substance. Interactive Marvin View (i) H3C S H

a) Draw the major organic substitution product (ignoring stereochemistry) formed in the following reaction. CH3 CH3 Br HO 1bromo1,2dimethylcyclohexane b) If the reactants configuration were (1R,2R), then the configuration of the substitution product(s) will be (select all that apply) 1R,2R. 1S,2S. 1R,2S. 1S,2R.

Item 18 Consider two graduated cylinders (Eigure 1) that measure in units of militers Figure 1 of 1 4 3 10 8 1 10 15 3N Part A How many milliliters of liquid does the smaller graduated cylinder contain Express your answer in milliliters using the proper number of significant figures. Hints. IVE 3.6 Submit My Answers Give Up Incorrect Try Again 2

What is the empirical formula of a compound that is 62.0 C, 10.4 H, and 27.5 O by mass Fill in the blanks to complete the formula. Enter a 1 if the value is 1. The numbers will not be subscripted. C G H O

Draw the structure of the product formed in the following reaction of an epoxide with ethoxide ion. If more than one stereochemical product is possible, draw only one isomer. S. R. 1.C,H,O Na 2.H The product(s) of the reaction are characterized as being racemic. R.R. R.S. achiral. S.S. C,H,OH Show any Hs on chirality centers, if applicable, and

You may attempt this question 3 more times for credit. Question 8.27a Draw structures for the alkene (or alkenes) that gives the following reaction product. CH3 CH3 I I CH3CCHCHCH3 HPd I CH3 In cases where there is more than one answer you must draw them all in the same Marvin Sketch window. Do not include a sign. Ignore alkene stereochemistry

Draw the structure of the alkene that reacts with HBr to makethe alkyl halide shown.

Draw the structure of the alkene that reacts with HBr to make the alkyl halide shown. HBr Br

Draw the structure of the product of the reaction between the compound shown below and BF3. CH3CHOCHCH3 You do not have to consider stereochemistry. If the reaction involves proton transfer, draw the products in separate sketchers. . If the reaction is a Lewis acidbase reaction, draw the product in one sketcher only.

Draw the structure for 2-bromo-3-methyl-3-heptanol.

H. I H H C Br H H HHH I H H H H H H I H

Which of the following will favor CH4 at equilibrium Check all that apply. adding more H to the reaction mixture adding more C to the reaction mixture adding neon gas to the reaction mixture raising the temperature of the reaction mixture lowering the volume of the reaction mixture adding a catalyst to the reaction mixture,Coal, which is primarily

advantages of a furnace over a flame

Which of the following are advantages of a furnace over a flame in atomic absorption higher sensitivity because the atomized sample is in the optical path longer a smaller sample amount is required less operator skill is required to determine the proper experimental conditions memory effects from the previous run are not present in even the most

Consider the data in the table. Compound Melting point (C) AHfus (kJmol) Boiling point (C) AHvap (kJmol) HF 83.11 19.54 HC1 114.3 84.9 HBr 86.96 67.0 HI 50.91 35.38 4.577 1.991 2.406 2.871 Using the data in the table, calculate ASfus and ASvap for HBr. AS fus AS J(K. mol) AS vap Determine the entropy change when 7.20 mol HBr (1) freezes at

Draw structural formulas for the major organic product(s) of the reaction shown below. O NHCCH3 . Cl You do not have to consider stereochemistry. If no reaction occurs, draw the organic starting material. Remember to include all of the formal charges on the atoms of any nitro groups. Draw one structure per sketcher. Add additional sketchers

Draw the products of the saponification of the followingtriacylglycerol (triglyceride):

CH CH O H CH CH CH c CH CH CH CH CH CH CH CH CH CH CH CH CH CH CH CH CH3 H H CH2O CH CH CH CC CH2 CH2 CH2CH3 CH CH CH CH CH CH CH CH CH O 0 11 C H C CH2CH2 CH2CH3 CH CH CH CH 0 CH2O C H A CH CH CH2 C CCH CH CH H CH CH CH2 CH CH CH CH CH CH CH CH CH CH3 H H CH CH CHCC CH CH CH CH 3NaOH CH CH CH2 CH3 CH CH2 CH2 CH CH2 CH2 CH2CH3 CH CH CH CH Modify

Draw a structural formula of the S configuration of the compound shown below. a) b) c) Use the wedgehash bond tools to indicate stereochemistry. Include H atoms at chiral centers only. If a group is achiral, do not use wedged or hashed bonds on it. CH3 CH3CHCHCN CHCI CH,NH2 Draw a structural formula of the SS configuration of the compound shown

Edit the structure of butane below to make butanoic acid. Show all hydrogen atoms. H H H C H H C H H CH H Tip In the drawing toolbar, the button that looks like two red arrows will reset the structure to its original state (in this case, butane).

lab safety equipment alternatives

Data Table 1 Lab Safety Equipment Alternatives Shower or Sink laboratory shower eyewash station Exercise 2 Paper Towels Itens spill containment kit I Data Table 2 Sodium Hypochlorite SDS information WellVentilated Area fume hood SDS Information No Substitution safety goggles fire extinguisher first aid kit

.Calculate the concentration (in M) of hydronium ions in a solution at 25.0C with a pOH of 4.223 104 1.67 O x 108 2.44 O 1010 x 1.67 105 5.98 1019 x 5.99 oo O O

Click the draw structure button to launch the drawing utility. Draw the major organic product formed in the following reaction. Part 1 One organic product(s) will form. Part 2 out of 2 Draw the major organic product HBr ROOR draw structure ...

Classify the two reactions as ionic or radical. Reaction A Reaction B CI Which statement is true FI CI Reaction A is radical, Reaction B is ionic.. O Reaction A is ionic, Reaction B is radical. Reactions A and B are ionic. Reactions A and B are radical. T F CI HCI

34.6 mL of 0.0350 molL sulphuric acid solution are required to completely neutralize 20.5 ml of ammonium hydroxide. Find the concentration of the base solution. O 0.118 molL O 0.116 molL O 0.0118 molL O 0.0295 molL

Classify the actions based on how they could affect a reaction rate. Rate increases decrease the surface area of a solid reactant decrease the concentration of a reactant Rate decreases Rate is unaffected add a catalyst increase the temperature

I just need part B

a Draw a structure for the neutral (uncharged) organic product of the reaction below. OH 1. NaH 2. CH3Br Do not draw inorganic byproducts. You do not have to consider stereochemistry. Pa O Na OO 0 H3CBr b Write a mechanism for the step below using curved arrows to show electron reorganization. Arrowpushing Instructions AC XT ChemDoodle

"Draw the structure of the product of each step in the following three-step synthesis. Show all formal charges." got the first compound right but the last two are wrong. In red, it says that "Although an organometallic compound forms from reaction with Mg, it is not the final product of the 2nd overall step. Further reaction - with CO2 and then

sapling learning Draw the structure of the product of each step in the following threestep synthesis. Show all formal charges. Bri Fe Br, Br X 1.Mg 2.CO 3.H Mg Br HNO HSO, Incorrect. Although an organometallic compound forms from reaction with Mg, it is not the final product of the 2nd overall step Further reaction with CO, and gives the product

Explain the correct answer

speed of the reaction products of the reaction temperature of the reaction pH of the reaction. Enzymes affect the reactions in living cells by changing the AQ BO .CO DO

Complete the table below, using the diagram of an atom shown at right. name symbol neutron 0 proton 0 0 0 Properties of subatomic particles approximate mass (amu) charge (in multiples of e) 0 1 (choose one) (choose one) 1.0 location on diagram (choose one) (choose one) A 0 00 X 5 ,Properties of subatomic particles l charge (in multiples of e)

Rank the following nitrogen compounds in order of decreasing oxidation number for nitrogen. Rank from highest to lowest oxidation state. View Available Hint(s) NO NH. NO. NO NO N Reset Help

Please note that there are two problems to solve.

Complete this table relating the values of AG and K. AG 0 0 0 K Complete this statement. AG AG when K 1. Q K. K 0. Q 1. Q 0. 1 1 1

Draw the Lewis structure of AsO4^3? showing alllone pairs. Identify the molecular geometry of AsO4^3?.What is the hybridization of thecentral As atom? What are the approximate bond angles in AsO4^3?? An AsO4^3? ion is polar or non polar((On the homework feedback, it said it is a valid structure but notthe most stable. But I can't figure out why.))

Draw the Lewis structure of AsO showing lone pairs. Select Draw Rings More sp Osp An AsO ion is 0 O nonpolar. polar. As 0 As 0 What is the hybridization of the central As atom sp sp d sp d Erase Q2 Q O Identify the molecular geometry of AsO. O trigonal planar seesaw square planar trigonal bipyramidal linear tetrahedral square pyramidal octahedral

Draw the hydrogen bond(s) between the following two sets of bases. The letter R represents the rest of the nucleotide. The bases are positioned approximately as they would be in a DNA double helix. To indicate a hydrogen bond, simply draw a regular single bond between the atoms. Be careful not to modify the existing atoms or bonds in any way, nor

Basic good laboratory practices include False All unauthorized experiments are prohibited. False True Return all unused chemicals to their original containers. Never leave a lit burner unattended. True Work areas should be kept clean and tidy. False Laboratory work can be started immediately upon entering the laboratory even if the instructor is

help

Choose all possible values of each quantum number for the outermost electron in an S ion. n 0 10 20 30 40 50 60 70 8 1 mi 0 0 10 20 30 40 5 50 0302 01 02 03 04 05 010 0 m, 01 0 12 0 0 0 12 O 1

Draw a structural formula for the major organic product of the following reaction Br CHCl, Show product stereochemistry IF the reactant alkene has both carbons of the double bond within a ring. Do not show stereochemistry in other cases. If enantiomers are formed, just draw one.,Draw a structural formula for the major organic product of the

Explain why PbCl2 did not precipitate immediately on addition of HCI. (What condition must be met by Pb2 and Cl minus if PbCl is to form) HINT Precipitation occurs when Qsp is greater than the Ksp The concentration of CI minus was sufficient to cause Qsp to be greater than the Ksp for the reaction. The concentration of Cl minus the Ksp for the

can you explain, easily, how i draw peptides or step by step how to with these two problems?

Your answer is incorrect. Try again. Draw the strans conformation of the dipeptide PheLeu HN NH CH OH CH3 Edit

Part D

Drop Charge (2) A 1.801014 B 3.001014 C3301014 D3.601014 4.801014 E What is the charge on an electron in zeets Express your answer in zoets using two significant figures. 000 000 14 301015 2 submit Correct The smallest increment in charge corresponds to the charge on a single electron. Part D A single electron has a charge of 3.0x1015 Z. Using

Characterize the following alkene as having the E or Z configuration. Draw the product(s) of bromination of this compound, including all expected stereoisomers (if any). Use wedge-and-dash bonds to designate the stereochemistry at any chirality centers, and make sure to draw an explicit hydrogen if a chirality center has one.

H Br2

Which one of the following has the lowest Lattice energy CaO, MgO, KBr, LiBr a. Cao b. LiBr Oc. KBr Od. MgO

I can't for the life of mefigure this out

Complete the following sentences about strong and weak acids and bases. Ca(OH) HNO, LiOH CHCOOH oxoacids NH protons nitrogen electrons oxygen 2 no HCN HNO hydroxides HF hydrohalic acids carboxlic acids carbon HCI Strong acids are generally either hydrohalic acids (ex. .) or oxoacids in which the number of oxygen atoms exceeds the number of

Devise a detailed mechanism for formation of the major product of the elimination reaction below. OTS xo Draw curved arrows to show electron reorganization for the mechanism step below. Make the ends of your arrows specify the origin and destination of reorganizing electrons. Arrowpushing Instructions NA H XM CH3ONa CH3OH H CH3 Na OCH3 H CHI

Draw the Lewis structure of XeCl4 showing all lone pairs. What are the approximate bond angles in XeCl4 Select all that apply. 90 degrees 109.5 degrees 120 degrees 180 degrees An XeCl4 molecule is polar. nonpolar. Identify the molecular geometry of XeCl4. bent seesaw octahedral square pyramidal linear trigonal bipyramidal square planar trigonal

Determine how feedback inhibition of enzyme 1 by a high concentration of product Z affects the concentrations of the different substrates for the following reaction pathway. Assume that product Z diffuses out of the cell. enzyme1 W The concentration of X The concentration of Y The concentration of Z X Select answer Select answer Select answer

Classify each of the following properties as physical or chemical Drag the appropriate items to their respective bins. the color of gold the tendency of nickel to tamish the melting point of sodium chloride Physical Chemical the temperature at which dry ice evaporates Reset Help

Chapter 2 Homework Exercise 2.48 with feedback You may want to reference (Page) section 2.5 while completing this problem. ati Part A Which of the following statements about subatomic particles are true, and which are false Drag the appropriate items to their respective bins. True CH Provide Feedback Submit Request Answer A Protons and neutrons

Draw the complete mechanism for the radical reaction shown. CH3 cc light Cl H light Use curved arrows to show the mechanism of the initiation step below. Make the ends of your arrows specify the origin and destination of reorganizing electrons. Arrowpushing Instructions CHCI HC References Use curved arrows to show the mechanism of the propagation

Complete each of the following concentration terms with the correct ratio of quantities. mass (kg) solvent mass (kg) solution amount (mol) solute mass (kg) solute volume (L) solute amount (mol) solute amount (mol solvent) amount (mol) solvent amount (mol) solution volume (L) solution Thing Molarity (M) Molality (m) Parts by mass Parts by volume

Determine which statements are consistent with Daltons atomic theory. Consistent Atoms of one element cannot be converted into atoms of another element. Answer Bank Atoms of the same element can have different properties. Atoms of the same element have identical properties atoms of different elements have different properties. All matter is made

10. Consider the following reaction at equilibrium. What effect will decreasing the temperature have on the system CO(g) 2 HO(1) CH4(g) 2 O2(g) AH 890 kJ cheas A. No effect will be observed. B. The equilibrium constant will increase. The reaction will shift to the right in the direction of products. The reaction will shift to the left in the

2014 1155 PM 2.410 11292014 0712 PM Periodic Table Print 3 of 15 leaming int Complete this table. Number of Electron Groups 2 Calculator 3 Bond Angles Number 10 Number Number 0 O O O Outer atoms Lone pairs 20 30 21 40 31 22 Previous about us Shape Select answer trigonal planar (planar triangular) Select answer tetrahedral Select answer bent Give

Complete an orbital diagram for boron. Drag the appropriatelabels to their respective targets. Labels can be used once, morethan once, or not at all. according to my assignment this is not correct for boron..

11 1s 11 2s 1 G1 G1 2p G1 G1 G1 G1 G2

Choose reagents to convert 2cyclohexenone to the following compounds. Syntheses may require several steps. Use letters from the table to list reagents in the order used (first at the left). a) b) a b d 1. Li(CH3)2Cu 2. HO 1. NaBH4 2. HO NH3 KOH HNNH KOH HO CH3 e f g h Reagents 1. Li(C6H5)Cu 2. HO CHl2Zn(Cu) ether 1. CH3MgBr dry ether 2 H3O

Draw the alkyne formed when 2,3-dichloropentane is treated withan excess of strong base such as sodium amide.

Draw the alkyne formed when 2,3dichloropentane is treated with an excess of strong base such as sodium amide. t CH excess NaNH,

CH3C NH CH CH Br UH CH3CCl2CH3 CH3CHCHCICH3,Choose compounds that exhibit optical isomerism. Check all that apply. CH3 I CH0 OCH3CCOH NH CH CH

Which of the following chemical reactions is an oxidationreduction reaction a) Zn S ZnS b) HSO4 2 NaOH Na2SO4 2HO c) CO HO HCO3 d) AgNO3 NaCl AgCl NaNO3 13. Which of the following types of chemical reactions is illustrated below 2CH6 702 4C0 6HO A. decomposition B. single displacement C. double displacement D. combustion E 14. Choose

Examination of the Fischer esterification mechanism continues. Overall reaction (ungraded) .. H3COH Part 2 of 2 Intermediate species (from Part 1) HCI Part 1 involved MeOH addition to form the key tetrahedral intermediate. Part 2 involves loss of HO from the tetrahedral intermediate to form the ester. Add two curved arrows for the next step. CH3

E) Br, 1, At 16. Of the following, which gives the correct order for atomic radius for Ca, K, As, Ge and Kr A) Ca K As Ge Kr B) Kr Ge As KCa C) Ge As Kr K Ca D) K Ca Ge As Kr Kr As Ge Ca K 17. Which of the following is an isoelectronic series A) B5, Si4, As3, Te2 F, Cl, Br, I C) S, Cl, Ar, K, D) Si2, P2, S2, C12 E 02, F, Ne, Na 18. Rank the

Fill in the systematic names of the following chemical compounds. Note for compounds containing hydrogen, you may give the common name instead. molecular formula PCI 5 PCI, Cl0 ClO3 NH name of compound 0 0 0 X

Draw the structural formula of (3E,5Z)5ethyl3,5nonadiene. An alternative name for this compound is (3E,5Z)5ethylnona3,5diene, which follows the rules outlined in the 1993 IUPAC recommendations. N M Incorrect. You have drawn (3E.5E)5ethyl3,5nonadiene. AZ configuration has the highpriority groups on the same side of the double bond, whereas an E

Draw a stepwise mechanism for the following reaction Part 1 view structure Part 2 OH HSO xa view structure Part 3 view structure Part 4 Cont view structure view structure view structure A. HO B. SO2 C. HSO4 D. HSO4 A. H . C. H30 D. HO Q X X QX

Draw the structure of the aromatic organic product formed from the reaction of the compound with KMnO4. KMnO4 H, heat,Draw the correct aromatic organic product for the following reaction. (If no reaction, draw the starting material.) 1. KMnO4, HO, heat 2. HO Select Draw Rings H More E

Explain why the following reaction will not proceed as written. Select the single best answer Explain why the following reaction will not proceed as written. Select the single best answer.

Explain why the following reaction will not proceed as written. Select the single best answer. CO COOH Decarboxylation cannot occur because it is too crowded by surrounding groups. The COOH group is not bonded to the a carbon of another carbonyl group. This decarboxylation requires acid to occur. A rearrangement reaction is preferred over

Which of the following statements regarding Grignard reagents are TRUE Once prepared, a Grignard reagent can be easily stored, and need not be used quickly. The Grignard reagent is an example of an organometallic compound. Grignard reagents are stable in anhydrous ether solutions. Grignard reagents tend to act as Bronsted acids. A Grignard reagent

answrr asap

Which of the following statements about the quantummechanical model is FALSE O Orbitals are specific paths electrons follow. O Electrons do not behave as particles. O Electron paths cannot be described exactly. O Orbitals are a probability map of finding electrons.

Which of the following statements regarding alcohols and ethers are true Ethanol is more likely to be a liquid at 50C than is methoxymethane (dimethyl ether). Alcohol molecules can form hydrogen bonds among themselves ether molecules cannot. Methoxymethane (dimethyl ether) is more soluble in water than is ethanol. Methoxymethane (dimethyl ether)

Which of the following is more soluble in water, acetic acid or pentanoic acid Acetic acid is more soluble in water than pentanoic acid because acetic acid is smaller. Neither acetic acid nor pentanoic acid is soluble in water. Acetic acid and pentanoic acid have equal solubility in water. Acetic acid is less soluble than pentanoic acid in water

12. Draw all lone pairs of electrons for the following compound. O HN. OH 8 13. Which of the following isare correct resonance structure(s) for compound A FOH e 14. Draw the resonance structure indicated by the curved arrows. II CH,CH, Li III 15. For the following reaction label the acid, base, conjugate acid and conjugate base. CH,CH, Li H IV

Enter All Answers in the Bubble Sheets E) MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Which of the following represents a chemical property of hydrogen gas A) It is gaseous at room temperature. B) It is tasteless. C) It is less dense than air. D) It reacts explosively with oxygen. It is

3 of 3 Name 13. Which element has the following ground state electron configuration 11 2p 15 25 B a. b. c. C d. Be e. Si 0 14. Which element has the following ground state electron configuration Ar 3d a. Fe b. Co c. Ni d. Cu e. Zn 15. What is a possible set of quantum numbers for an unpaired electron in the orbital KG NNNNNN IN 4d Sp a. n1,1,

One cubic meter of an alloy is heated from room temperature to the 150 C above itsmelting point which is 850 C. if the density of the alloy is 7.8 g/cm, specific heat is 0.33 J/g C in the. liquid state and 0.29 J/g C in solid state, heat of fusion is 160J/g, then how much energy must be added to accomplish the heating. Assume no heat losses to the

Complete the K2 expression for HCO3 in an aqueous solution. K2 4.69 101 Kal 4.45 x 107 HCO3 H3O CO3 Answer Bank HO Complete the Kal expression for HCO3 in an aqueous solution. H01 HCO3 Answer Bank H3O HCO3 HCO3 CO3

For the reactionA (g) 2B (g), a reaction vessel Initially contains only A at a pressure of PA1.29 atm. At equilibrium, PA 0.31 atm. Part A Calculate the value of K,. (Assume no changes in volume or temperature.) Express your answer using two significant figures. K Remiant 4 Review 1 Constants 1 Penodic Tabl

CI i OH 1. CHOH 2. Br (scroll down for more),Starting from methyl acetoacetate and any other necessary reagents, complete the most efficient threestep synthesis of the ketone, 3benzyl5methylhexan2one, by dragging the appropriate compound(s) into the boxes. Only one set of reagents will fit into each box, and all compounds will not be used.

c. Add wedgeanddash bonds to give (3R)5bromo2chloro3fluoro3methylhexane. Indicate the configuration at the 3position only. (The configurations at the 2 and 5positions are unspecified those groups are used to determine priorities for the configuration at the 3position.) Br J F

Classify each of the following organic reactions. CH3CHCHCH3 CH3CHCHCH HCI O CH3COCH3 CH3NH2 CH3CNHCH3 CH3OH HCOCH CH3CHCHOH HBr CH3CHCHBr HO Reset O OH CH3CH HCN CH3CHCN CH3CHCHCH3 HBr CH3CHCH2CH3 Br CH3CH2CH2CH3 Cl2 CHCHCHCH3 HCI CI CH3CHCHCH3 Cl CH3CHCHCH3 CI CI Addition Elimination Substitution

Draw the structures of organic compounds A and B. Indicate stereochemistry where applicable. A HC C Br 1) BuLi 2) CH3CHBr (1 equiv.) Br H PdC There is additional feedback available View this feedback by clicking on the bottom divider bar. Click on the divider bar again to hide the additional feedback. Close HC Br2 (1 equiv.) id Previous CH3 CHCl2