'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 汽化和液化 汽化:物质从液态变为气态的过程叫汽化. 液化:物质从气态变成液态的过...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 1.熔化和融化、溶化的区别是什么? 回答:熔化是指物质从固态变成液态的过程,该过程...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 汽化 汽化:物质从液态变成气态的过程,需要吸热。 汽化现象分为:沸腾、蒸发,两种...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 1.把一碗水放在大锅内水中,碗底与锅不接触,当锅内水沸腾后,碗中的水(不会沸腾)...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 液化 液化定义:物质从气态变成液态的过程,需要放热。 1、液化现象: ①水开后,壶...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 物态变化 熔化:固态液态(吸热) 凝固:液态固态(放热) 汽化:液态气态(吸热) 液化:气...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 凝固 凝固定义:物质从液态变成固态的过程,需要放热。 1、凝固现象:①滴水成冰②...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 1.下面哪项措施的目的是为了减慢水的蒸发( ) A.用电热吹风机将湿头发吹干 B.用扫帚把地...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 熔化 熔化定义:物质从固态变成液态的过程需要吸热。 1、熔化现象:①春天冰雪消融...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 物态变化的含义 物态变化:物质由一种状态变为另一种状态的过程 首先利用分子动理论...