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

Use this information to determine the number of calends electrons in the atoms. which of the following correctly compares the stability of the two atoms? a) both are unreactive b) both are highly reactive c) a is unreactive and d is reactive d) a is reactive and d is unreactive

8.98 dm3 of hydrogen gas is collected at 38.8 °c. find the volume the gas will occupy at -39.9 °c if the pressure remains constant.

The reactions of photosynthesis occur in the of plant cell? a. mitochondria. b. lysosomes. c. chloroplasts. d. chlorophyll