Which of the following states of a compound has the greatest Kinetic energy?
问题描述：
Which of the following states of a compound has the greatest Kinetic energy?
A.a solid
B.a liquid
C.a gas
D.a solid changing to a liquid at the melting point
E.a liquid changing to a gas at the boiling point
但谁能告诉我它为什么选C啊?理由是什么?
答
哪种形态动能最大是不是这个意思?如果是这样的话,首先有个前提：质量一样.A B D E都是固体和液体,如果固定在一处没有流动或其它外力运动的话就是动能就是0.不管是将要还是马上变成另外一种形态.C的话 如果是气体的话...