'); (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' });})(); 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' });})(); 5.冰箱的物理原理:汽化和液化! 物理解释:老旧电冰箱利用氟利昂,新型环保电冰箱利...
'); (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' });})(); 3.生活中常见的白气、白烟(非燃烧形成)、白雾、热气、冷气本质都是相同的:液化!(比...
'); (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' });})(); 物态变化 1.熔化:固变液,吸热,(晶体有熔点,熔化时吸热,但温度保持不变,非晶体...
'); (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...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 凝华 1、凝华定义:物质从气态变成固态的过程,需要放热。 凝华现象: ①霜和雪的形...
'); (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)...