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.
Add another 30 to 60 minutes for an international departure leaving at a peak time. It's better to arrive at the gate early and catch up on your reading, than to arrive on time and miss your flight (most carriers secure the plane doors five minutes before departure time!).