80Nm I'm pretty sure this is the answer if I'm wrong I'm sorry but I'm positive it the answer
I don’t know “which substance” are you talking about??
You can put the picture there so we can see.
Isn't a chemical change like something that's not a physical change or physically changed but is something that uses natural chemicals? that's my guess sorry if it's wrong I think I'm wrong though
A. NO2 because the elements are both nonmetals.
You might have meant hemiacetal, not hemicetal.
Acetals contain two –OR groups, one –R group and a –H atom. In hemiacetals, one of the –OR groups in acetals is replaced by a –OH group<span>.
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