It would be a,b,c as the answer. hope this helps!
Answer:
Loses
Explanation:
liquid changes into solid, heat is released. The energy released upon freezing, known as the enthalpy of fusion, is a latent heat, and is exactly the same as the energy required to melt the same amount of the solid.
Answer: 20*38
Wave speed = 760m/s
It would form into NaCl because Na has a +1 charge while Cl has a -1 charge.