Chemistry concepts and calculations

Which compound can form a furanose but not a pyranose? fructose glyceraldehyde r

Which compound can form a furanose but not a pyranose? fructose glyceraldehyde ribose threose not a, d. L-glucose and L-galactose are? constitutional isomers diastereomers but not…

Which compound contains only covalent bonds? (and also how doi determine this in

Which compound contains only covalent bonds? (and also how doi determine this info, please) a) CH3OH b) Ca(OH)2 c) Ba(OH)2 d) NaOH ~~~~~~~ **B & C are not right because bond w…

Which compound has a proton NMR spectrum consisting of the following peaks: 0.9

Which compound has a proton NMR spectrum consisting of the following peaks: 0.9 (6H, doublet), 1.0 (3H, triplet), 2.2 (2H, quartet), and 4.0 (1H, septet)? Notation: Chemical shift…

Which compound has a proton NMR spectrum consisting of the following peaks: 0.9

Which compound has a proton NMR spectrum consisting of the following peaks: 0.9 (6H, doublet), 1.0 (3H, triplet), 2.2 (2H, quartet), and 4.0 (1H, septet)? Notation: Chemical shift…

Which compound has the highest Index of Hydrogen Deficiency (IHD)? Which of the

Which compound has the highest Index of Hydrogen Deficiency (IHD)? Which of the following reactions could give racemization products? A meso molecule has positive optical rotation…

Which compound has the highest boiling point? Question 28 options: HOCH 2 CH 2 O

Which compound has the highest boiling point? Question 28 options: HOCH2CH2OH CH3NHCH2CH3 CH3CO2CH2CH3 CH3NHCH2OH NaCH3COO                 Question 26 options: tetrahedral bent tr…

Which compound has the highest nitrogen content by mass? a. KNO3 b. NO2 c. NH4CI

Which compound has the highest nitrogen content by mass? a. KNO3 b. NO2 c. NH4CI d. Li3N 9. Find the percentage of the total mass that is due to water for each of the following hy…

Which compound has the lowest boiling point? Question 23 options: Surface tensio

Which compound has the lowest boiling point? Question 23 options: Surface tension measures _______________. Question 25 options: Which is a molecular solid? Question 26 options: a…

Which compound has the lowest boiling point? Which compound has the highest melt

Which compound has the lowest boiling point? Which compound has the highest melting point? CH4 C6H12O6 KCI h2o What period 4 element forms an ion with a -1 charge? rubidium sulfur…

Which compound has the lowest boiling point? Which compound has the highest melt

Which compound has the lowest boiling point? Which compound has the highest melting point? CH4 C6H12O6 KCI h2o What period 4 element forms an ion with a -1 charge? rubidium sulfur…

Which compound has the smallest lattice energy? Select one: A. Magnesium bromide

Which compound has the smallest lattice energy? Select one: A. Magnesium bromide B. Aluminum bromide C. Sodium Bromide D. Aluminum Fluoride E. Sodium Fluoride The attractive force…

Which compound in each pair (i. e., A or B) is most polar? Briefly explain your

Which compound in each pair (i. e., A or B) is most polar? Briefly explain your choice. Which compound in each pair (i. e., A or B) has the highest boiling point? Briefly explain …

Which compound in the following pair would you expect to have the greater dipole

Which compound in the following pair would you expect to have the greater dipole moment ? Why? Select the single best answer. KCl or HCl. A. Hydrogen chloride has the larger dipol…

Which compound in the synthesis of (E)-stilbene is responsible for the observed

Which compound in the synthesis of (E)-stilbene is responsible for the observed yellow-orange color that faded away during the reaction? Which compound in the synthesis of (E)-sti…

Which compound in the synthesis of (E)-stilbene is responsible for the observed

Which compound in the synthesis of (E)-stilbene is responsible for the observed yellow-orange color that faded away during the reaction? Which compound in the synthesis of (E)-sti…

Which compound is an a-hydroxy acid? Question 13 options: Save Question 14 (1 po

Which compound is an a-hydroxy acid? Question 13 options: Save Question 14 (1 point) Carboxylic acids react with bases, such as NaOH, to form _____. Question 14 options: Save Ques…

Which compound is equal to the conformation of the given compound following a ri

Which compound is equal to the conformation of the given compound following a ring-flip? Classify the following transformations as either oxidation or reduction. A. Transformation…

Which compound is least soluble in water? CH_3CH_2C h_2C h_2OH CH_3C h_2C h_2OH

Which compound is least soluble in water? CH_3CH_2C h_2C h_2OH CH_3C h_2C h_2OH C h_3CH_2OH CH_3OH The dissolution of gaseous O_2 in water is exothermic. To increase the solubilit…

Which compound is likely to have a higher molar heat ofvaporization? { 1-propano

Which compound is likely to have a higher molar heat ofvaporization? { 1-propanol or Propane 1-thiol} Select the most important reason for your answer above is it A: Hydrogenbondi…

Which compound reacts with CH3CH2OH in the presence of an acid catalyst to give

Which compound reacts with CH3CH2OH in the presence of an acid catalyst to give the compound CH3CH2CH2CO2CH2CH3? 1. CH3CH2CH2CH2Br 2. CH3CH2COCH3 3. CH3CH=CHCOH 4. CH3CH2CH2COH 5.…

Which compound reacts with CH3CH2OH in the presence of an acid catalyst to give

Which compound reacts with CH3CH2OH in the presence of an acid catalyst to give the compound CH3CH2CH2CO2CH2CH3? 1. CH3CH2CH2CH2Br 2. CH3CH2COCH3 3. CH3CH=CHCOH 4. CH3CH2CH2COH 5.…

Which compound show major fragment ions in ns mass spectrum at m/z 85 and 57? No

Which compound show major fragment ions in ns mass spectrum at m/z 85 and 57? Notice that all options are constitutional isomers, therefore, same MW. Which of the following proces…

Which compound will be the least soluble in water? Which cylinder at STP will co

Which compound will be the least soluble in water? Which cylinder at STP will contain the greatest number of gas particles? a 5.0-L cylinder of nitrogen All of the cylinders above…

Which compound will be the most soluble in water? Question 24 options: Which sol

Which compound will be the most soluble in water? Question 24 options: Which solution has the highest boiling point? Question 28 options: Which solution has the lowest boiling poi…

Which compound would be expected to have the lowest boiling point? (a) 2, 2-dime

Which compound would be expected to have the lowest boiling point? (a) 2, 2-dimethylbutane (b) 2-methylpentane (c) hexane (d) octane In order for a nucleus of an atom to exhibit t…

Which compound would have the highest boiling point? I II Ill IV V What is the f

Which compound would have the highest boiling point? I II Ill IV V What is the formal charge of the oxygen in the following structure? -1 -2 +1 +2 0 Which one is the weakest base?…

Which compound would you expect to have the lowest boiling point? What is the IU

Which compound would you expect to have the lowest boiling point? What is the IUPAC name for the following compound? 4-Phenyl-2-hexanol 2-Phenyl-4-hexanol 4-Phenyl-2-pentanol 4-Et…

Which compound, when added to water, is most likely to increase the solubility o

Which compound, when added to water, is most likely to increase the solubility of ZnS? a.)MgBr2 b.)NH3 c.)Na2SO4 d.)KNO3 Which compound, when added to water, is most likely to inc…

Which compounds MUST be present? Explain why. (Write the formulae and present yo

Which compounds MUST be present? Explain why. (Write the formulae and present your evidence.): Which compounds MUST be absent? Explain why. (Write the formulae and present your ev…

Which conformation is the most stable? A) C B) B C) A 26. How are the molecules

Which conformation is the most stable? A) C B) B C) A 26. How are the molecules below related to each other? A) They are resonance structures. B) They are identical. They are ster…

Which contains 14 neutrons? The correct name for AlCI_3 is aluminum (III) chlori

Which contains 14 neutrons? The correct name for AlCI_3 is aluminum (III) chloride aluminum trichloride monoaluminum trichloride aluminium chloride The formula for one molecule fo…

Which contains more solute particles: a 0.10M aqueous solution of methanol (CH3O

Which contains more solute particles: a 0.10M aqueous solution of methanol (CH3OH) or a 0.10 M aqueous solutions of salt (NaCl)? A. They contain the same number of solute particle…

Which correctly distinguishes a voltaic cell from an electrolytic cell? In the r

Which correctly distinguishes a voltaic cell from an electrolytic cell? In the redox reaction 2MnO_4^-(aq) + l6H^+(aq) + 5Sn^2+(aq) rightarrow 2Mn^2+(aq) + 8H_20(I) + 5Sn^4+(aq) t…

Which correctly matches the oxidation number of the elements in each compound gi

Which correctly matches the oxidation number of the elements in each compound given?    CsO2: Oxidation number of Cs = +4; Oxidation number of O = -2    KO2: Oxidation number of K…

Which desktop environment can satisfy (by default, configuration or maintained e

Which desktop environment can satisfy (by default, configuration or maintained extensions) most of following requirements? no double clicking required bring existing window to fro…

Which detector is the best to use for the gas-chromatographic determination of w

Which detector is the best to use for the gas-chromatographic determination of water impurities in organic solvents? Explain. b. What effect does increasing the temperature of a G…

Which do you like better? Class #1: public class SearchClass { public SearchClas

Which do you like better? Class #1: public class SearchClass {     public SearchClass (string ProgramName)     { /* Searches LocalFile objects, handles exceptions, and puts result…

Which does not apply to a nuclear fusion reaction? Answer Atoms of one element c

Which does not apply to a nuclear fusion reaction? Answer Atoms of one element cannot be converted to atoms of another element. Energy is conserved. Matter is conserved. None of t…

Which drawing best represents the interactions in a sample ofHF? b) II d I, II e

Which drawing best represents the interactions in a sample ofHF? b) II d I, II e) all of the above 3. Which of the following statements are incorrect concerning drawing IT? a) Ele…

Which earthquake will cause more damage to the town of Galaxy (circle best answe

Which earthquake will cause more damage to the town of Galaxy (circle best answer): a M 6.5 earthquake 10 km from Galaxy or a M7.5 earthquake 10 km from Galaxy. Explain your answe…

Which electrophilic functional group is uses as a starting material to synthesiz

Which electrophilic functional group is uses as a starting material to synthesize a secondary alcohol from a Grignard reaction? How many mole equivalents of a Grignard react with …

Which element has a higher ionization energy? P or Cl Would Cl be higher because

Which element has a higher ionization energy? P or Cl Would Cl be higher because ionization energy increases as we go to the right. Or does P have higher ionization energy because…

Which element has the following ground state electron configuration? B O C Be Si

Which element has the following ground state electron configuration? B O C Be Si Which element has the following ground state electron configuration?. Fe Co Ni Cu Zn What ix a pos…

Which element has the following ground state electron configuration? a. In b. Y

Which element has the following ground state electron configuration? a. In b. Y c. Nb d.T1 e. The ground-state electron configuration of a Mn^2+? ion is 1s^2 2s^2 2p^6 3s^2 3p^6 3…

Which element is not a noble metal? Which element is not a noble metal? Copper (

Which element is not a noble metal? Which element is not a noble metal? Copper (Cu) Lead (Pb) Silver (Ag) Gold (Au) Copper (Cu) Lead (Pb) Silver (Ag) Gold (Au) Generally, producti…

Which element is not isoelectronic with the noble gas argon. K^+ Al^3+ S^2- Ca^2

Which element is not isoelectronic with the noble gas argon. K^+ Al^3+ S^2- Ca^2+ Which of the following number is the largest: 8.673 Times 10^-7 9.5000 Times 10^0 5.9267 Times 10…

Which element is oxidized in the following reaction? Cu + HNO3—> CuNO3+H2 -Cu -N

Which element is oxidized in the following reaction? Cu + HNO3—> CuNO3+H2 -Cu -N -O -H Zn lies above Pb in the activity series of metals. Which of the following statements is c…

Which element is oxidized in the following reaction? Cu + HNO3—> CuNO3+H2 -Cu -N

Which element is oxidized in the following reaction? Cu + HNO3—> CuNO3+H2 -Cu -N -O -H Zn lies above Pb in the activity series of metals. Which of the following statements is c…

Which element is oxidized in the reaction below? H Fe Cr O Lewis base Bronsted-L

Which element is oxidized in the reaction below? H Fe Cr O Lewis base Bronsted-Lowry add Arrhenius acid produces protons in aqueous solution proton donor electron pair donor What …

Which element is reduced in the reaction below? Fe(CO)5 (I) + 2HI (g) rightarrow

Which element is reduced in the reaction below? Fe(CO)5 (I) + 2HI (g) rightarrow Fe(CO)412(s) + CO(g) + H2(g) A) Fe B) C C) O D) H E) I 2) What is the coefficient of the dichromat…