What type of chemical reaction is SrCl2 + F2 → SrF2 + Cl2

Why is the vapor pressure of a warm lake higher than the vapor pressure of a cold lake? o a. warm water has a greater heat of vaporization. ob. warm water evaporates more quickly. cool water evaporates more quickly. od. cool water has a greater heat of vaporization.

This chart represents the melting point of several substance. what besy explains the high melting point of the salt?

What happened in 2012 and how does it illustrate the importance of understanding the sun and how it works?