Air enters a compressor at 1 bar and 298 K having a specific volume of 1.8 m3/kg and is compressed to 5 bar isothermally. The change in internal energy during this process is _______.

Thermal equilibrium between two bodies means they have the same:

Clinical thermometers should NOT be cleaned or sterilized using boiling water because:

In a standard laboratory thermometer, the temperature measurement range is typically: