Answer:
133.276 Btu/lbm
Explanation:
1 kJ/kg = 0.429923 Btu/lbm
Therefore, 310 kJ/kg = 133.276 Btu/lbm
Specific internal energy can be defined as the internal energy (kJ or Btu) divided by a unit of mass (kg or lbm). Both sets of units (kJ/kg and Btu/lbm) are units for specific energy.
Energy is an object's ability to do work and is represented in this example in Joules (J) or British Thermal Units (Btu).
1 kJ = 1000 J
Mass tells us how much something weighs and is represented in this example in kg or lbm (pounds).
