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 answered first, give me brainliest
Explanation:
Answer:
Explanation:B ice melting is a phiyscal change and the mass of the substance remains the same
Spontaneous at low temperatures.