【题目】Water can be a liquid, a solid or a gas.When it is a solid, it may be as hard as rock.When it is a liquid, you can pour it out of a bottle. When it is a gas, you cannot see or pr feel it.Water can change from one form to another easily. When we freeze wat...
When it is a solid, it can be as hard as stone. When it is a liquid, it can run thro ugh your fingers. When it is a gas, you may not see or feel it.Water can change from a solid to a liquid or to a gas easily. T his is why we always ha ve fresh water. Now let u...
nd plants need water Man also needs water.Water is found almost everywhere Even in the driest part of the world there is some water in the air As we all have found out water may be a solid or a liquid or a gas When it is a solid it is a gas you cannot see or feei it ...
Matter changes phases when it transforms from one state to another, such as from a liquid into a gas. Explore the definition, types, and examples of phase changes of matter. Understand how to define matter, and recognize that matter can experience up to eight phase c...
a solid, but as you can see, just follow the line going to the right.As we increase the temperature, the solid changes to a liquid. And then changes to gas.And that’s what we would expect.We certainly know that happens with ice.It goes from a solid to a liquid and to a gas, ...
Water can be a liquid, a solid or a gas. When it is a solid, it can be as hard as stone. When it is a liquid, it can run through your fingers. When it is a gas, you may not see or feel it. Water can change from a solid to a liquid or to a gas easily. This is w...
百度试题 结果1 题目Water becomes___ when it freezes A. solid B. gas C. liquid D. hot 相关知识点: 试题来源: 解析 A 句意:水结冰的时候就变成了固体。gas气体; liquid液体; hot热的,不符合题意。反馈 收藏
Natural gas (NG) is produced whenever organic matter is decomposed in the absence of oxygen. The main constituent of natural gas is methane. In contrast to liquid fuels, methane has a boiling point far below normal ambient temperatures. Even the critical temperature is well below ambient. ...
For a particular liquid, raising its temperature from 319 K to 337 K causes its vapor pressure to double. What is the enthalpy of vaporization of this liquid? For a particular liquid, raising its temperature from 339 K to 365 K causes its vapor pressure to double. What is ...
阅读下面短文.然后根据短文内容选择最佳答案. Water can be a liquid, a solid or a gas.When it is a solid, it may be as hard as rock.When it is a liquid, you can pour it out of a bottle.When it is a gas, you cannot see or pr feel it. Water can change f