Answer:
I believe it’s C
Explanation:
I used Socratic and found a quizlet lol
It might be physical forces
The correct answer is D. Becquerel showed that uranium gave off radioactivity, and the Curies discovered other radioactive elements.
Organic compounds got their name because they are related to living organisms. <span>The four major groups of organic compounds are molecules that are produced by organism using energy and the raw material of non-living matter - this is how the word is related to its meaning.</span>
6.25 moles Al2O3
Since all provided numbers are moles, there is no need for conversion. Rather, use a molar ratio:
12.5 
Multiply across the top, 12.5 x 2, which gives you 25, before dividing that by the denominator (4).
This gives you the final answer of 6.25 moles of Al2O3.
Hope this helps!
