instruction:
In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.
question:
This man's namesake elasticity describes surface tension resistance when a surface is stretched, and can be applied to surface-tension-related mass transfer in an effect named for this man and Marangoni. For a mixture at constant temperature and pressure, the change in the chemical potential of the system can be obtained using an equation named for this man and Duhem. Another equation named for this man is used to calculate the degrees of freedom of a system depending in part on its number of components. For 10 points, name this man with a namesake phase rule and a thermodynamic quantity useful in predicting the spontaneity of a chemical reaction, his free energy.
answer:
Science

question:
This battle started after troops under Henry Heth (HEETH) spotted John Buford's cavalry. Key locations in this battle included the Peach Orchard and Devil's Den. One general in this battle, Dan Sickles, disobeyed orders by moving his corps from its location along Cemetery Ridge. That ridge was the object of Pickett's Charge at the end of this battle. George Meade's victory in this battle ended a Confederate invasion of the North. For 10 points, name this battle whose site was later the location of an Address by Abraham Lincoln.
answer:
History

question:
Fred Hampton and Mark Clark were two Black Panthers shot to death in this city while they were asleep. Anthony Abbate (read: A BODY) violently beat the bartender Karolina Obrycka in this city after she refused to continue serving him. Jon Burge was convicted of perjury in this city in 2010, which he committed in the course of civil suits against him for the torture he ordered as Commander of the Area 2 violent crimes unit in the 1980s. In 1886, seven anarchists were sentenced to death in this city following an incident when a pipe bomb explosion caused a line of policemen to fire into a crowd of striking workers in Haymarket Square in this city. For ten points, what is this city notorious for police violence, particularly the violence ordered by Mayor Richard J. Daley during the 1968 Democratic National Convention
answer:
History