Since there are no given items, I will give a general answer. Energy....or the lack of it. Examples: Heat, electricity, force (when an item is moving and it impacts something, it heats up...friction is an example of this), etc
Answer:
.875
Explanation:
Use Boyle's Law and rearrange formula.
- Hope this helps! Please let me know if you need further explanation.
Im not so sure about that, but aspirin is an acetylsalicylic acid
Answer:
yes yes yes yes yes yrs
Explanation:
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The chemical formula which shows the number of atoms for every element present in the molecule is said to be molecular formula.
Acetaldehyde is an organic compound having 
functional group. It is also called as ethanal.
Now, ethanal consist of one carbon atom which is linked with three hydrogen atoms and it is linked with one functional group i.e. aldehyde.
Thus, molecular formula of acetaldehyde is 
.
