Potential energy would increase because you are compressing the spring
A polar molecule is when the arrangement of the atoms in molecules are unequal, so one end of the molecule has a positive charge, and the other end has a negative charge.
Answer:
a chemical change is usually an irreversible chemical reaction. an example of this is rusting.
a physical change is usually visible while a chemical change isn't. also, a chemical change is irreversible while a physical change is.
Explanation:
Answer:
2.67g Ni
Explanation:
To convert from moles to mass, use molar mass as a conversion factor.
Nickel has a molar mass of 58.69g/mol.
0.0455mol (
) = 2.67g Ni
1.17×6×1023
Wich equals 7.02×1023
Your final answer is 7.02×1023