What is the percent composition of compound c2h6o3

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.

Which best describes why nh4+ can form an ionic bond with ci-?

In 2002, the rare earth elements mine in mountain pass, california was closed because