Answer:
Answer is B) 20.0 moles
Explanation:
From the equation,
1 mole of Fe2O3 = 2 moles of Al
therefore 10.0 moles of Fe2O3 = 10×2
= 20.0 moles.
Answer:

Explanation:
We know that the speed of light is equal to 
We need to find how far the light travel in 3 days.
Speed of an object is equal to distance covered divided by time taken.
Also, 1 day = 86400 s
3 days = 259200 s
So,


So, the light will travel
in 3 days.
Answer:
The vertical columns (group) of the periodic table are arranged such that all it's elements have the same number of valence electrons. All elements within a certain group thus group share similar properties.
Answer:
The elections circle ITS B TRUST ME I JUST DID IT
Explanation:
Apex
Answer:
1. equator
2. west to east
3. equator
4. north to south
5. hemisphears
Explanation:
Mark as brainliest please