How many molecules are in 17 amu of ammonia, nh3?

a) 1.0x10^25 molecules nh3
b) 2.0x10^24 molecules nh3
c) 3.0x10^24 molecules nh3
d) 6.0x10^23 molecules nh3

Which of the dna typing techniques do you think you would choose if you had to analyze a dna sample? why?

Compare the equilibrium constants for the systems shown in the table. which favors products the most? which favors products the least? rank these systems in order from most to least in terms of favoring products rather than reactants. d > b > a > c c > a > b > d b > c > d > a a > d > c > b

Which is a characteristic of the electron sea model for metallic bonding? molecular orbitals overlap to produce bands. electrons flow easily between metal nuclei. electrons are in fixed positions in the orbitals. atomic nuclei are arranged in an irregular pattern.