The answer is D
Because the bread cannot go back to its previous state, and because a new substance was formed. :)
Explanation:
the number of electrons = 8
and protons = 8 can be seen in this atom
Answer: C.
Explanation: Your mass can't change due to the law of energy conservation, but your weight would be less because of the lack of gravity on mars
I'm taking this lesson now, so imma help u ( if u need anything else ask me)
so given Molar mass= 32 g/mol
molar mass= (empirical formula) n
32 = (14x1 + 2x1) n
32 = 16 n , so n= 2
so, molecular formula= N2H4