Blank 1: nothing (to keep 2 total nitrogen)
blank 2: 3 (to make 6 total hydrogen)
blank 3: 2 (to make 2 total nitrogen and 6 total hydrogen)
hope this helps!! :)
Answer:
I believe the answer is numbers
CO2 will be the first to boil because it will be the first to warm up because it is the closest temperature to 0
