The temperature at which the vapor pressure of a liquid is equal to the external pressure is called the point.
a. melting
b. boiling
c. evaporation
d. vaporization

In which direction will the following reaction go if the standard reduction potentials are 0.80 v for ag/ag+ and –0.44 v for fe/fe2+? ag+ + fe → ag + fe2+ a.)forward b.)the reaction cannot occur. c.) not enough information is given. d.) reverse

Explain which group an element with the electron configuration 1s2 2s2 2p6 3s2 3p6 3d1 4s2 belongs to.

How do scientists think that gravity affected the formation of our solar system?