Answer:
yes the one that is circled is correct
Explanation:
Nickel is a pure substance
Rust is also a pure substance
Complete Question:
The complete question is on the first uploaded image
Answer:
The solution is on the second uploaded image
Explanation:
The explanation of the above solution is on the third uploaded image.
Answer:
Kauai
Explanation:
I look this up when I am doing math
Answer:
<h3>spontaneously precipitate</h3>
An arrow pointing down (as in PbI2?) indicates that the product will spontaneously precipitate from the solution. ("Precipitate," in this sense, means the formation of a solid from the combination of two aqueous solutions.)