The atomic mass would not change since the mass of an electron is negligible compared to the mass of protons and neutrons
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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Answer: D
Explanation:
They form from Coal under high high pressure and many many years
Answer:
A
Explanation:
Because it will not cause much harm to the environment.
I hope it's right (best of luck).