1 g/cm3 = 1 kg/L = 1000 kg/m3. Energy, heat, work, internal energy, enthalpy. 1 kJ = 1000 J = 1000 N·m = 1 kPa.m3. 1 kJ/kg = 1000 m2/s2. 1 kWh = 3600 kJ.
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