For the Lewis structure above, how many lone pairs are on the P in PC13? A. One
B. Three
C. Four
D. Two

How can you increase the ability of a gas to dissolve in a liquids?

Which statement describes both homogeneous mixtures and heterogeneous mixtures?

Melting and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.