Page THERMODYNAMICS The Fundamental Energy Equation Heat Supplied Increase in Internal Energy Work Done Q  U WD Temperature Scales °C    F 2 °F  C °Rankine R °F 6 Kelvin K °C 7 Sensible Heat Equation Q m c � T m is mass c is specific heat � T is temperature change Latent Heat Latent heat of fusion of ice 3 kJ/kg Latent heat of steam from and at 00°C 25 kJ/kg tonne of refrigeration 3 0 kJ/day 3 kJ/min Gas Laws Boyle’s Law When gas temperature is constant PV constant or P V P V where P is absolute pressure and V is volume