Answer:
AB + CD ----> AC + BD
Explanation:
If you think this reaction:
AB + CD ----> AC + BD
(Reactants) (Products)
All the statements are true.
I would pick the first option in the third option
Answer:
"The number of air molecules above a surface determines air pressure. As the number of molecules increases, they exert more pressure on a surface, and the total atmospheric pressure increases. By contrast, if the number of molecules decreases, so too does the air pressure."
Answer: I believe it’s the last one I am so sorry if I’m wrong you sound urgent and I wanted to help so I read up on wiki
Explanation:
Yes, salt is considered a pure substance. The definition of a pure substance is something that cannot be broken down further without losing the...
Salt is another compound. Its chemical formula is NaCl, which stands for sodium chloride. Tooth fillings may look like pure silver, but they are actually a solution of mercury in silver.