M=D*V
D=10.5 g/cm³
V=42.5 cm³
m= 10.5 g/cm³ * 42.5 cm³ ≈ 446 g
m≈446 g
Chemical should be the answer hope I helped
Answer:
A. the iron atoms are gaining kinetic energy
Explanation:
when the iron melted and solidifies it loses potential energy and changes to kinetic energy
The correct answer is true, you need to be able to stop it, an object in motion remains in motion unless acted upon
<span>2HBr→<span>H2</span>+B<span>r2 i believe </span></span>