For each of the following pairs of isotopes, which one would you expect to be radioactive?
Which of the following isotopes would you expect to be stable?
5. In each of the following pairs of goods, identify the one which you would expect to have a more elastic price elas- ticity of demand. Briefly explain. a) Bread vs. fresh pineapples b) Airline travel in the long-run versus the short-run. c) Massages vs. prescription drugs. d) Sugar vs. restaurant meals. er
4.Which member of each of the following pairs of substances would you expect to have a higher boiling point? (6 points) a.O2 and Cl2 b.SO2 and CO2 c.HF and HI
Which of the following isotopes would you expect to be stable? uranium-238 ^58Ni ^4He oxygen-16 ^208Po
11.32 ▲ Which reaction in each of the following pairs would you expect to be faster? (a) The SN2 displacement by I- on CH3Cl or on CH3OTos (b) The SN2 displacement by CH3CO2 on bromoethane or or bromocyclohexane (c) The SN2 displacement on 2-bromopropane by CH3CH20- or by CN (d) The SN2 displacement by HC C- on bromomethane in benzene or in acetonitrile 11.33 Predict the product and give the stereochemistry resulting from reaction of each of the following nucleophiles...
Intermolecular Hydrogen Bonding For which molecule in each of the following pairs would you expect hydrogen bonding, in a sample of the pure substance, to be more significant as a contributing factor to the attractive intermolecular interactions? PH3 NH3 CH3CO2H CH3CHO CH3CO2H (CO2H)2 B(OH)3 BH3
Page 7 i. State which reaction in each of these pairs that you would expect to be faster. (1 pt.) Explain why you would expect your choice to be faster. (2 pts.) 11. a. The Sn2 displacement with hydroxide ion on (CH3)3CCI or CH3CI.
For which molecule in each of the following pairs would you expect hydrogen bonding, in a sample of the pure substance, to be more significant as a contributing factor to the attractive intermolecular interactions? a) (CH2OH)2 and CH3CH2OH (My answer: (CH2OH)2) b) CH3CHO and CH3CO2H (My answer: CH3CHO) c) H20 and NH3 (My answer: H20) d) NH3 and NH2OH (My answer: NH2OH) I've provided my original answers, which are incorrect and I'm confused as to why they're incorrect.
Which of the following isotopes would you expect to be stable?\({ }^{40} \mathrm{Ca}\)\({ }^{234} \mathrm{~Pa}\)uranium-235\({ }^{58} \mathrm{Ni}\)oxygen-16
Question in image. Which of the following pairs are isotopes of one another? a. 65zn and 67zn b. 165 and 34 se OC. 14N and 14N-2 O d. F-1 and cr-1