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.
A few things to remember: You must check in for international flights at least 60 minutes before the scheduled departure time. You must be at the gate at least 20 minutes before the scheduled departure time. You must check in for international flights online or at the check-in counters at the airport.*.