1mol单原子分子理想气体的温度从0℃升高到100℃,气体的热力学能增加了______J.(R=8.31J·mol-l·K-1)
Apersonisluckyifhiscareer________withhisinterestandhobby
单匝平面载流线圈的面积为0.lm2,通以电流强度为0.4A的电流,该线圈的磁矩大小为______A·m2
Althoughtheyagreethatlifeisimportantandshouldberespected,theyfeelthatthequalityoflifeshouldnot__(ignore).
在所有惯性系中,真空中的光速约为()