The molar heat capacity is the heat capacity per unit amount (SI unit: mole) of a pure substance and the specific heat capacity, often simply called specific heat, is the heat capacity per unit mass of a material.
Long TSA lines this summer. The TSA is expecting long lines at their security check points during the busy summer travel season â especially when youâre traveling in the morning. The TSA recommends arriving at the airport at least 2 hours early for domestic travel and 3 hours early for international travel.
At the airport. The TSA recommends arriving at the airport 2 hours before your flight (3 hours for international). If you travel often, save time by enrolling in TSA PreCheck. Weâre working with the U.S. government to alleviate these delays.