Emala's goal marked her third of the game as well as a career high for the midfielder. Kristy Zeigler continued Tech's success by scoring with 18:37 on the clock, soon followed by Rachel Culp's hard drive for a goal.
With 16:53 left in the second half, the Hokies led 11-5.
Overall, Emala had a hat trick, marking a career high for the freshman. Kate Tracey, McBrearty and Culp had success on offense, scoring two goals each.
William & Mary's Jamie Sellers found the back of the net with 11:22 left on the clock. The Tribe scored again one minute later to set the final margin, but the strong Hokie defense was able to hold the lead for the remaining 11 minutes.
Hokie goalkeeper Kari Morrison beat her career high in saves with 19, and led the team with six ground balls.
The Hokie midfield stayed strong, winning the draw controls for the game, 11-9. Freshman Joanna Kiser and Emala each had three draw controls, while Culp contributed two.
The Hokies are off to Fairfax, Va., to play George Mason at 1 p.m. on Saturday, but will return home March 8 to host Richmond at 1 p.m.