Answer:
1.) zinc and aluminum
2.)
a.) The old coating was made of <u>tin.</u>
b.) <u>Aluminum</u> would be a good choice for repairing the fracture.
This is a kind of an asexual reproduction called binary fission. This involves division of the parent cell into two identical cells. This is common for prokaryotic reproduction like archaea and bacteria and it also happens in some single-celled eukaryotes such as protists and unicellular fungi.
It would be CaF2 because you will need to balance then so since F is -1 it'll need another one to balance with Ca +2
Answer:
9945.6 J
Explanation:
Amount of heat = Mass * Heat Capacity * Temperature Change
Heat capacity of Water = 4.2 J/gC
Amount of heat = 64 * 4.2 * (69 - 32)
Amount of heat = 64 * 4.2 * 37
Amount of heat = 9945.6 J
