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

For each of the compounds below, show that the charges on the ions add up to zero. a. kbr b. cao c. li(2)o d. cacl(2) e. alcl(3)

From the choices provided below, list the reagent(s) in order that will react with cyclopentanone to form the compound shown below.

[ou.03jthe pictures below show the wavelengths and intensities of electromagnetic radiations emitted by three stars, star 1, star 2, and star 3. intensity intensity- intensity- 1000 3500 6000 8500 11000 wavelength (a) star 1 1000 3500 6000 8500 11000 1000 3500 6000 8500 11000 wavelength (a) wavelength (a) star 2 star 3 which of these statements is correct about the color of the three stars? star 2 is white in color o star 2 is yellow in color star 1 and star 3 are yellow in color star 1 and star 3 are white in color