显 ㄒㄧㄢ ˇ xiǎn 焓 ㄏㄢ ˊ hán 顯 ㄒㄧㄢ ˇ xiǎn 焓 ㄏㄢ ˊ hán sensible enthalpy (thermodynamics) energy required to go from one state to another