Hello there,
Ammonia will have a total of 4 atoms.
Hope I helped :)
Answer:
physcial change
Explanation:
As it has visible changes on shape and size
An hour is 60 minutes. So you multiple the hot by 60. You get 180 minutes plus the 75 remaining minutes. The answer is 255
The answer is 0.25 moles because one mole of NH3 would have apporximately 6.02X10^23 molecules
