Because after ehough acid rain/Rain it turned turquoise like if you bring a fake gold ring to a pool it will turn brown!
111.6g of Fe + 156g of Cr + 192g of O = 459.6g of Fe2(CrO4)3
Answer:
An Arrhenius Base
Explanation:
The definition of this is a base that is a hydroxide ion donor.
1. She would want a balanced force so she doesn't fall but, well, keep her balance.
2. Frictional force because when an object slows down it's because a higher amount of friction is acting on it.
3. It would be magnitude and direction because is like the size of the object and they need to know how much force it will take to move it.
4. Is the same as 3...
5. A push and a pull are a force.
I hope this helps!